#263C81#263C81

#263C81 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 38.0% C 0.120 H 267.2°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#263C81
RGB	rgb(38, 60, 129)
HSL	hsl(225, 54%, 33%)
HSV	hsv(225, 71%, 51%)
CMYK	cmyk(70.5%, 53.5%, 0%, 49.4%)
CIE-LAB	lab(27.38, 16.20, -41.57)
CIE-LCH	lch(27.38, 44.61, 291.30°)
OKLab	oklab(37.98% -0.0058 -0.1194)
OKLCH	oklch(37.98% 0.12 267.2)
XYZ	xyz(6.3763, 5.2281, 21.4377)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C81 #816B26

analogous

#266981 #263C81 #3E2681

triadic

#263C81 #81263C #3C8126

tetradic

#263C81 #812669 #816B26 #26813E

square

#263C81 #812669 #816B26 #26813E

split-complementary

#263C81 #813E26 #698126

monochromatic

#0A1022 #182652 #263C81 #3452B0 #5572CD

Accessibility & contrast

On white

10.26

#263C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#263C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C81

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C81	#FFFFFF	#000000	##FFFFFF
##263C81	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114583

Deuteranopia (green-blind)

#003D80

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #263c81;
/* rgb */ color: rgb(38, 60, 129);
/* oklch */ color: oklch(38.0% 0.120 267.2);

Tailwind

colors: {
  custom: {
    50: '#6c71a6',
    500: '#263c81',
    950: '#000000',
  },
}

SCSS

$custom: #263c81;
$custom-light: #6c71a6;
$custom-dark: #000000;

JSON

{
  "hex": "#263c81",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 129
  },
  "hsl": {
    "h": 225.495,
    "s": 54.491,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37983,
    "c": 0.11953,
    "h": 267.2
  },
  "luminance": 0.05229
}

Semantic roles & 50–950 ramp

primary

#263C81

secondary

#B19A51

accent

#BA4ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #263C81

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

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