#263C87#263C87

#263C87 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.128 H 267.6°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#263C87
RGB	rgb(38, 60, 135)
HSL	hsl(226, 56%, 34%)
HSV	hsv(226, 72%, 53%)
CMYK	cmyk(71.9%, 55.6%, 0%, 47.1%)
CIE-LAB	lab(27.82, 18.53, -44.58)
CIE-LCH	lch(27.82, 48.28, 292.58°)
OKLab	oklab(38.46% -0.0053 -0.1283)
OKLCH	oklch(38.46% 0.128 267.6)
XYZ	xyz(6.7868, 5.3924, 23.6001)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C87 #877126

analogous

#266D87 #263C87 #412687

triadic

#263C87 #87263C #3C8726

tetradic

#263C87 #87266D #877126 #268741

square

#263C87 #87266D #877126 #268741

split-complementary

#263C87 #874126 #6D8726

monochromatic

#0B1227 #192757 #263C87 #3351B7 #5873D0

Accessibility & contrast

On white

10.10

#263C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#263C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C87

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C87	#FFFFFF	#000000	##FFFFFF
##263C87	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03468A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #263c87;
/* rgb */ color: rgb(38, 60, 135);
/* oklch */ color: oklch(38.5% 0.128 267.6);

Tailwind

colors: {
  custom: {
    50: '#6d71ab',
    500: '#263c87',
    950: '#000000',
  },
}

SCSS

$custom: #263c87;
$custom-light: #6d71ab;
$custom-dark: #000000;

JSON

{
  "hex": "#263c87",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 135
  },
  "hsl": {
    "h": 226.392,
    "s": 56.069,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38465,
    "c": 0.12837,
    "h": 267.6
  },
  "luminance": 0.05393
}

Semantic roles & 50–950 ramp

primary

#263C87

secondary

#B59F54

accent

#BD48DF

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263C87

Body copy rendered with the generated semantic roles for this colour.

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