CSS named color
Powder Blue #B0E0E6
The CSS keyword powderblue is #B0E0E6. It is a pale muted cyan in the cyan family. In OKLCH it sits at lightness 0.875, chroma 0.050 and hue 205.7°.
- Relative luminance
- 0.6825
- OKLCH L · C · h
- 0.875 · 0.050 · 205.7
- Best text
- Black 14.65:1
- Hue family
- Cyan
#B0E0E6 color codes
- HEX
#B0E0E6- RGB
rgb(176, 224, 230)- HSL
hsl(187, 52%, 80%)- OKLCH
oklch(0.875 0.050 205.7)- OKLab
oklab(0.875 -0.045 -0.022)- CIELAB (D65)
L* 86.13, a* -14.09, b* -8.01- XYZ (D65)
X 58.84, Y 68.25, Z 84.92- CMYK (naive)
cmyk(23%, 3%, 0%, 10%)
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 #B0E0E6 accessible?
Black text on it reaches 14.65:1, passing AAA. White text fails at 1.43:1.
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
14.65:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +82
-
White text on it
1.43:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc −23
Text is here, unreadable at 1.43:1
-
As text on black
14.65:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −82
-
As text on white
1.43:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc +20
Text is here, unreadable at 1.43:1
Nearest versions that pass 4.5:1
-
For text on white
#507D83 4.56:1
Darkening its OKLCH lightness from 0.88 to 0.56 reaches 4.56:1 on white, keeping the hue.
-
For text on black
#B0E0E6 14.65:1
It already reaches 14.65:1 on black, so no change is needed.
Checking another pair? Use the Contrast Checker.
Studio
Adjust #B0E0E6 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.
Scale
Shades and tints of #B0E0E6
Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #B0E0E6 sits at step 200.
Under each step, white and black text on it; a bold figure passes 4.5:1.
Gamut
How vivid #B0E0E6 can get
At its lightness and hue, sRGB reaches OKLCH chroma 0.129; #B0E0E6 uses 39% of it. Display P3, which many recent phones and laptops show, reaches 0.139 there: 8% more.
- sRGB
- Display P3
- Rec. 2020
- Dominant wavelength
- OKLCH chroma
- 0.050
- sRGB edge
- 0.129
- Display P3 edge
- 0.139
- Rec. 2020 edge
- 0.140
- Dominant wavelength
- 489 nm
- Excitation purity
- 13%
- Chromaticity
- x 0.2775, y 0.3219
- This color#B0E0E6
- Most vivid in sRGB#53EEFF
- Most vivid in Display P3oklch(0.875 0.139 205.7)
On a screen without Display P3 the last tile shows the sRGB edge instead.
.accent {
color: #b0e0e6;
}
@media (color-gamut: p3) {
.accent { color: color(display-p3 0.4739 0.9259 1); }
}
Mixing
Mixing #B0E0E6
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%#D8F0F3
- OKLab50%#D8F0F3
- OKLCH50%#D8F0F3
Black #000000
- sRGB50%#587073
- OKLab50%#425659
- OKLCH50%#425659
Its complement #F6CAC5
- sRGB50%#D3D5D6
- OKLab50%#D6D6D6
- OKLCH50%#D4DBB5
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #b0e0e6, white);
color: color-mix(in oklch, #b0e0e6 50%, white);
In use
#B0E0E6 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, 4.5:114.65:1 Passes
- Link and body-size textText, 4.5:11.43:1 Fails
- Large headingLarge text, 3:11.43:1 Fails
- Icons, borders and focus ringsNon-text, 3:11.43:1 Fails
For text on this page, the nearest shade that passes is #507D83 4.56:1
Dark page
- Button labelText, 4.5:114.65:1 Passes
- Link and body-size textText, 4.5:113.06:1 Passes
- Large headingLarge text, 3:113.06:1 Passes
- Icons, borders and focus ringsNon-text, 3:113.06:1 Passes
Color vision
How #B0E0E6 looks with color blindness
Deuteranopia changes it most, ΔE2000 16.3; tritanopia changes it least, 5.6.
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
#D8DCE6 ΔE2000 14.8
Distinct
Reads as light gray
-
Deuteranopia
No working green (medium-wavelength) cones
#CFD4E6 ΔE2000 16.3
Distinct
Reads as pale grayish blue
-
Tritanopia
No working blue (short-wavelength) cones
#9FE4E2 ΔE2000 5.6
Noticeable
Reads as pale muted cyan
-
Achromatopsia
No cone color vision; lightness only
#D7D7D7 ΔE2000 14.9
Distinct
Reads as light gray
Pairing check
Checked against its complement, #F6CAC5. Their lightness contrast is only 1.03:1, so where hue collapses, add a label, icon or pattern.
| Vision | The pair | ΔE2000 | Verdict |
|---|---|---|---|
| Normal vision | #B0E0E6 · #F6CAC5 | 38.4 | Stays distinct |
| Protanopia | #D8DCE6 · #D2CFC5 | 10.5 | Stays distinct |
| Deuteranopia | #CFD4E6 · #DDD7C5 | 16.8 | Stays distinct |
| Tritanopia | #9FE4E2 · #FFC5C9 | 41.2 | Stays distinct |
| Achromatopsia | #D7D7D7 · #D4D4D4 | 0.7 | Easily confused |
Harmony
Color harmonies for #B0E0E6
Its complement is #F6CAC5, a pale muted red, on the warm 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#B0E0E6
- Complement#F6CAC5
Complementary
Open in Harmony Studio- −30°#B4E1D4
- Base#B0E0E6
- +30°#B7DCF3
Analogous
Open in Harmony Studio- Base#B0E0E6
- +120°#E8CBE8
- +240°#E5D4B1
Triadic
Open in Harmony Studio- Base#B0E0E6
- +150°#F2C9D7
- +210°#F1CEB7
Split-complementary
Open in Harmony StudioCode
Design tokens
Ready-to-paste tokens in six formats. Rename them to fit your system.
:root {
--color-powderblue: #b0e0e6;
}
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
powderblue: '#b0e0e6',
},
},
},
};
/* app.css — Tailwind CSS v4 */
@import "tailwindcss";
@theme {
--color-powderblue: oklch(0.875 0.050 205.7);
}
{
"color": {
"powderblue": {
"$type": "color",
"$value": {
"colorSpace": "srgb",
"components": [0.6902, 0.8784, 0.902],
"hex": "#b0e0e6"
},
"$description": "CSS named color powderblue"
}
}
}
import SwiftUI
enum Palette {
static let powderblue = Color(.sRGB, red: 0.690, green: 0.878, blue: 0.902, opacity: 1)
}
import androidx.compose.ui.graphics.Color
object Palette {
val Powderblue = Color(0xFFB0E0E6)
}
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.
Tools
Open #B0E0E6 in the tools
Each opens over this page. More colors live in the Color Library, and every color page is listed on the hub.
- Color InspectorEvery format, its names, contrast and color vision in one panel.
- Contrast SystemBlack and white text on this color, with fixes in both directions.
- Harmony StudioPalettes built from this color, walked to a contrast target if you ask.
- Color Space ConverterThe same color in 34 notations, with its gamut headroom.
- Color Name FinderThe nearest of 1,055 color names by ΔE2000.