Crayola crayon color
Crayola Blue #1F75FE
Crayola Blue is shown here as #1F75FE, the commonly published value for the crayon. It is a vivid blue in the blue family. In OKLCH it sits at lightness 0.595, chroma 0.219 and hue 260.1°. The nearest CSS named color is royalblue (#4169E1), ΔE2000 5.8 away.
- Relative luminance
- 0.2017
- OKLCH L · C · h
- 0.595 · 0.219 · 260.1
- Best text
- Black 5.03:1
- Hue family
- Blue
#1F75FE color codes
- HEX
#1F75FE- RGB
rgb(31, 117, 254)- HSL
hsl(217, 99%, 56%)- OKLCH
oklch(0.595 0.219 260.1)- OKLab
oklab(0.595 -0.038 -0.216)- CIELAB (D65)
L* 52.02, a* 26.33, b* -74.72- XYZ (D65)
X 24.81, Y 20.17, Z 96.33- CMYK (naive)
cmyk(88%, 54%, 0%, 0%)
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.
Crayola is a trademark of Crayola LLC, which this site is not affiliated with. The value is the commonly published sRGB rendering of the crayon, not a Crayola specification.
Legibility
Contrast: is #1F75FE accessible?
Black text on it reaches 5.03:1, passing AA. White text manages only 4.17:1, enough for large text only.
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
5.03:1
- AA passes
- AA large passes
- AAA fails
- APCA Lc +36
-
White text on it
4.17:1
- AA fails
- AA large passes
- AAA fails
- APCA Lc −73
-
As text on black
5.03:1
- AA passes
- AA large passes
- AAA fails
- APCA Lc −33
-
As text on white
4.17:1
- AA fails
- AA large passes
- AAA fails
- APCA Lc +67
Nearest versions that pass 4.5:1
-
For text on white
#176EF7 4.55:1
Darkening its OKLCH lightness from 0.60 to 0.58 reaches 4.55:1 on white, keeping the hue.
-
For text on black
#1F75FE 5.03:1
It already reaches 5.03:1 on black, so no change is needed.
Checking another pair? Use the Contrast Checker.
Studio
Adjust #1F75FE 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 #1F75FE
Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #1F75FE sits at step 500.
Under each step, white and black text on it; a bold figure passes 4.5:1.
Gamut
How vivid #1F75FE can get
At its lightness and hue, sRGB reaches OKLCH chroma 0.221; #1F75FE uses 99% of it. Display P3, which many recent phones and laptops show, reaches 0.237 there: 7% more.
- sRGB
- Display P3
- Rec. 2020
- Dominant wavelength
- OKLCH chroma
- 0.219
- sRGB edge
- 0.221
- Display P3 edge
- 0.237
- Rec. 2020 edge
- 0.240
- Dominant wavelength
- 472 nm
- Excitation purity
- 71%
- Chromaticity
- x 0.1756, y 0.1427
- This color#1F75FE
- Most vivid in sRGB#1E75FF
- Most vivid in Display P3oklch(0.595 0.237 260.1)
On a screen without Display P3 the last tile shows the sRGB edge instead.
.accent {
color: #1f75fe;
}
@media (color-gamut: p3) {
.accent { color: color(display-p3 0.1987 0.4407 1); }
}Mixing
Mixing #1F75FE
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%#8FBAFF
- OKLab50%#94BEFF
- OKLCH50%#97BEFF
Black #000000
- sRGB50%#103B7F
- OKLab50%#062963
- OKLCH50%#062963
Its complement #A57500
- sRGB50%#62757F
- OKLab50%#6E809C
- OKLCH50%#C54A8D
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #1f75fe, white);
color: color-mix(in oklch, #1f75fe 50%, white);In use
#1F75FE 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, 4.5:15.03:1 Passes
- Link and body-size textText, 4.5:14.17:1 Fails
- Large headingLarge text, 3:14.17:1 Passes
- Icons, borders and focus ringsNon-text, 3:14.17:1 Passes
For text on this page, the nearest shade that passes is #176EF7 4.55:1
Dark page
- Button labelText, 4.5:15.03:1 Passes
- Link and body-size textText, 4.5:14.49:1 Fails
- Large headingLarge text, 3:14.49:1 Passes
- Icons, borders and focus ringsNon-text, 3:14.49:1 Passes
For text on this page, the nearest shade that passes is #2277FF 4.59:1
Color vision
How #1F75FE looks with color blindness
Achromatopsia changes it most, ΔE2000 28.5; deuteranopia changes it least, 1.2.
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
#0086FF ΔE2000 6.4
Noticeable
Reads as vivid blue
-
Deuteranopia
No working green (medium-wavelength) cones
#0073FB ΔE2000 1.2
Very close
Reads as vivid blue
-
Tritanopia
No working blue (short-wavelength) cones
#0097AE ΔE2000 24.8
Distinct
Reads as soft cyan
-
Achromatopsia
No cone color vision; lightness only
#7C7C7C ΔE2000 28.5
Distinct
Reads as gray
Pairing check
Checked against its complement, #A57500. Their lightness contrast is only 1.02:1, so where hue collapses, add a label, icon or pattern.
| Vision | The pair | ΔE2000 | Verdict |
|---|---|---|---|
| Normal vision | #1F75FE · #A57500 | 58.2 | Stays distinct |
| Protanopia | #0086FF · #887700 | 59.6 | Stays distinct |
| Deuteranopia | #0073FB · #93820B | 63.1 | Stays distinct |
| Tritanopia | #0097AE · #B46763 | 53.7 | Stays distinct |
| Achromatopsia | #7C7C7C · #7E7E7E | 0.8 | Easily confused |
Harmony
Color harmonies for #1F75FE
Its complement is #A57500, a soft amber, 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#1F75FE
- Complement#A57500
Complementary
Open in Harmony Studio- −30°#008BB8
- Base#1F75FE
- +30°#835BF5
Analogous
Open in Harmony Studio- Base#1F75FE
- +120°#E42744
- +240°#2C9800
Triadic
Open in Harmony Studio- Base#1F75FE
- +150°#C65C00
- +210°#848500
Split-complementary
Open in Harmony StudioCode
Design tokens
Ready-to-paste tokens in six formats. Rename them to fit your system.
:root {
--color-crayola-blue: #1f75fe;
}// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'crayola-blue': '#1f75fe',
},
},
},
};/* app.css — Tailwind CSS v4 */
@import "tailwindcss";
@theme {
--color-crayola-blue: oklch(0.595 0.219 260.1);
}{
"color": {
"crayola-blue": {
"$type": "color",
"$value": {
"colorSpace": "srgb",
"components": [0.1216, 0.4588, 0.9961],
"hex": "#1f75fe"
},
"$description": "Crayola Blue"
}
}
}import SwiftUI
enum Palette {
static let crayolaBlue = Color(.sRGB, red: 0.122, green: 0.459, blue: 0.996, opacity: 1)
}import androidx.compose.ui.graphics.Color
object Palette {
val CrayolaBlue = Color(0xFF1F75FE)
}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 #1F75FE 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.