Tailwind CSS v3 color

Tailwind orange-400 #FB923C

Tailwind CSS v3's orange-400 is #FB923C. It is a light soft orange in the orange family. In OKLCH it sits at lightness 0.758, chroma 0.159 and hue 55.9°. The nearest CSS named color is darkorange (#FF8C00), ΔE2000 4.2 away.

Relative luminance
0.4139
OKLCH L · C · h
0.758 · 0.159 · 55.9
Best text
Black 9.27:1
Hue family
Orange
Inspect this color Check contrast

#FB923C color codes

HEX
#FB923C
RGB
rgb(251, 146, 60)
HSL
hsl(27, 96%, 61%)
OKLCH
oklch(0.758 0.159 55.9)
OKLab
oklab(0.758 0.089 0.132)
CIELAB (D65)
L* 70.45, a* 33.34, b* 60.09
XYZ (D65)
X 50.88, Y 41.40, Z 9.59
CMYK (naive)
cmyk(0%, 42%, 76%, 2%)

CIELAB and XYZ use the D65 white point; CSS lab() uses D50, so paste the OKLCH or HEX value into stylesheets. CMYK here is a plain formula with no press profile.

Legibility

Contrast: is #FB923C accessible?

Black text on it reaches 9.27:1, passing AAA. White text fails at 2.26:1.

WCAG 2 gives the same ratio whichever color is the text; APCA does not, so its Lc changes sign and size with polarity.

Open the Contrast System

  • Black text on it

    9.27:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +59

  • White text on it

    2.26:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −49

  • As text on black

    9.27:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −57

  • As text on white

    2.26:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +44

Nearest versions that pass 4.5:1

  • For text on white

    #B75F00 4.51:1

    Darkening its OKLCH lightness from 0.76 to 0.58 reaches 4.51:1 on white, keeping the hue.

    Compare both in the Contrast System

  • For text on black

    #FB923C 9.27:1

    It already reaches 9.27:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #FB923C live

Move lightness, chroma and hue in OKLCH, or drag on the map. The map is every lightness and chroma at the current hue: sRGB inside the solid area, Display P3 out to the dashed line.

The studio needs JavaScript.

Scale

Shades and tints of #FB923C

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #FB923C sits at step 300.

  1. 50#FFF2EA
    White
    1.09
    Black
    19.14
  2. 100#FFE6D5
    White
    1.19
    Black
    17.53
  3. 200#FFCBA8
    White
    1.46
    Black
    14.35
  4. 300This color#FB923C
    White
    2.26
    Black
    9.27
  5. 400#E9842D
    White
    2.69
    Black
    7.80
  6. 500#C96900
    White
    3.81
    Black
    5.50
  7. 600#A75600
    White
    5.28
    Black
    3.97
  8. 700#864400
    White
    7.39
    Black
    2.84
  9. 800#633000
    White
    10.75
    Black
    1.95
  10. 900#421E00
    White
    14.81
    Black
    1.41
  11. 950#260F00
    White
    18.24
    Black
    1.15

Under each step, white and black text on it; a bold figure passes 4.5:1.

Tailwind CSS v3 orange scale

The real Tailwind palette, for comparison with the computed ramp above.

  1. 50#FFF7ED
    White
    1.06
    Black
    19.77
  2. 100#FFEDD5
    White
    1.14
    Black
    18.32
  3. 200#FED7AA
    White
    1.35
    Black
    15.51
  4. 300#FDBA74
    White
    1.68
    Black
    12.45
  5. 400This color#FB923C
    White
    2.26
    Black
    9.27
  6. 500#F97316
    White
    2.80
    Black
    7.49
  7. 600#EA580C
    White
    3.55
    Black
    5.89
  8. 700#C2410C
    White
    5.17
    Black
    4.05
  9. 800#9A3412
    White
    7.30
    Black
    2.87
  10. 900#7C2D12
    White
    9.37
    Black
    2.24
  11. 950#431407
    White
    15.65
    Black
    1.34

Gamut

How vivid #FB923C can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.169; #FB923C uses 94% of it. Display P3, which many recent phones and laptops show, reaches 0.212 there: 26% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.159
sRGB edge
0.169
Display P3 edge
0.212
Rec. 2020 edge
0.214
Dominant wavelength
588 nm
Excitation purity
74%
Chromaticity
x 0.4995, y 0.4064
  • This color#FB923C
  • Most vivid in sRGB#FF8F2F
  • Most vivid in Display P3oklch(0.758 0.212 55.9)

On a screen without Display P3 the last tile shows the sRGB edge instead.

Use the wider color where screens show it
.accent {
  color: #fb923c;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.9985 0.5431 0); }
}

Mixing

Mixing #FB923C

Each row is the same mix worked out in a different space, with the halfway color at its end. sRGB, which older CSS gradients use, can sag gray or dark in the middle; OKLab keeps the lightness steps even; OKLCH holds chroma and hue as it goes.

White #FFFFFF

  • sRGB50%#FDC99E
  • OKLab50%#FFCAA5
  • OKLCH50%#FFCBA7

Black #000000

  • sRGB50%#7E491E
  • OKLab50%#613511
  • OKLCH50%#613511

Its complement #3BBDFF

  • sRGB50%#9BA89E
  • OKLab50%#B4AFAC
  • OKLCH50%#E18CE4
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #fb923c, white);
color: color-mix(in oklch, #fb923c 50%, white);

In use

#FB923C in an interface

A button, a link, a heading, a focused field, an icon and a chart line in this color, on a light page and a dark one. Each check is a WCAG 2 contrast minimum: 1.4.3 for text, 1.4.11 for the rest.

Light page

  • Button labelText, 4.5:19.27:1 Passes
  • Link and body-size textText, 4.5:12.26:1 Fails
  • Large headingLarge text, 3:12.26:1 Fails
  • Icons, borders and focus ringsNon-text, 3:12.26:1 Fails

For text on this page, the nearest shade that passes is #B75F00 4.51:1

Dark page

  • Button labelText, 4.5:19.27:1 Passes
  • Link and body-size textText, 4.5:18.27:1 Passes
  • Large headingLarge text, 3:18.27:1 Passes
  • Icons, borders and focus ringsNon-text, 3:18.27:1 Passes

Color vision

How #FB923C looks with color blindness

Achromatopsia changes it most, ΔE2000 27.1; protanopia changes it least, 24.5.

Simulated with Machado et al. (2009) at full severity, in linear light.

Simulate a whole page What each type sees

  • Protanopia

    No working red (long-wavelength) cones

    #B19E30 ΔE2000 24.5

    Distinct

    Reads as light soft amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #CAB63C ΔE2000 25.2

    Distinct

    Reads as light soft amber

  • Tritanopia

    No working blue (short-wavelength) cones

    #FF7B80 ΔE2000 24.7

    Distinct

    Reads as light soft red

  • Achromatopsia

    No cone color vision; lightness only

    #ACACAC ΔE2000 27.1

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #3BBDFF. Their lightness contrast is only 1.06:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#FB923C · #3BBDFF51.0Stays distinct
Protanopia#B19E30 · #9DBCFF50.9Stays distinct
Deuteranopia#CAB63C · #83AAFE55.3Stays distinct
Tritanopia#FF7B80 · #00CED457.9Stays distinct
Achromatopsia#ACACAC · #B2B2B21.7Easily confused

Harmony

Color harmonies for #FB923C

Its complement is #3BBDFF, a light soft blue, on the cool side of the wheel.

Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.

Open the Harmony Studio
  • Base#FB923C
  • Complement#3BBDFF

Complementary

Open in Harmony Studio
  • −30°#FF897F
  • Base#FB923C
  • +30°#DCA700

Analogous

Open in Harmony Studio
  • Base#FB923C
  • +120°#00CDAD
  • +240°#B89DFF

Triadic

Open in Harmony Studio
  • Base#FB923C
  • +150°#00C7D8
  • +210°#8BAEFF

Split-complementary

Open in Harmony Studio

Code

Design tokens

Ready-to-paste tokens in six formats. Rename them to fit your system.

CSS custom property

:root {
  --color-orange-400: #fb923c;
}

Tailwind config

// tailwind.config.js — already built in as orange-400;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        orange: { 400: '#fb923c' },
      },
    },
  },
};

Tailwind v4 theme

/* app.css — Tailwind CSS v4 */
@import "tailwindcss";

@theme {
  /* v4 has its own orange-400; this pins the v3 value. */
  --color-orange-400: oklch(0.758 0.159 55.9);
}

Design token (W3C DTCG)

{
  "color": {
    "orange-400": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.9843, 0.5725, 0.2353],
        "hex": "#fb923c"
      },
      "$description": "Tailwind CSS v3 orange-400"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let orange400 = Color(.sRGB, red: 0.984, green: 0.573, blue: 0.235, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Orange400 = Color(0xFFFB923C)
}

Matches

The nearest match in each system

The closest CSS name, Tailwind shade, RAL Classic paint and Crayola crayon by ΔE2000; under 2 is hard to tell apart side by side. RAL and Crayola values approximate physical colors.

Neighbors

The eight nearest colors on this site by ΔE2000, closest first. Under 2 is hard to tell apart side by side.

Tools

Open #FB923C in the tools

Each opens over this page. More colors live in the Color Library, and every color page is listed on the hub.