#263C88#263C88

#263C88 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.130 H 267.7°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#263C88
RGB	rgb(38, 60, 136)
HSL	hsl(227, 56%, 34%)
HSV	hsv(227, 72%, 53%)
CMYK	cmyk(72.1%, 55.9%, 0%, 46.7%)
CIE-LAB	lab(27.90, 18.92, -45.08)
CIE-LCH	lch(27.90, 48.89, 292.77°)
OKLab	oklab(38.55% -0.0052 -0.1297)
OKLCH	oklch(38.55% 0.13 267.7)
XYZ	xyz(6.8576, 5.4207, 23.9727)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263C88 #887226

analogous

#266D88 #263C88 #412688

triadic

#263C88 #88263C #3C8826

tetradic

#263C88 #88266D #887226 #268841

square

#263C88 #88266D #887226 #268841

split-complementary

#263C88 #884126 #6D8826

monochromatic

#0B1228 #192758 #263C88 #3351B8 #5873D0

Accessibility & contrast

On white

10.08

#263C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#263C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263C88

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263C88	#FFFFFF	#000000	##FFFFFF
##263C88	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478B

Deuteranopia (green-blind)

#003E86

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #263c88;
/* rgb */ color: rgb(38, 60, 136);
/* oklch */ color: oklch(38.5% 0.130 267.7);

Tailwind

colors: {
  custom: {
    50: '#6e71ab',
    500: '#263c88',
    950: '#000000',
  },
}

SCSS

$custom: #263c88;
$custom-light: #6e71ab;
$custom-dark: #000000;

JSON

{
  "hex": "#263c88",
  "rgb": {
    "r": 38,
    "g": 60,
    "b": 136
  },
  "hsl": {
    "h": 226.531,
    "s": 56.322,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38547,
    "c": 0.12983,
    "h": 267.7
  },
  "luminance": 0.05421
}

Semantic roles & 50–950 ramp

primary

#263C88

secondary

#B59F55

accent

#BE48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263C88

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

Preview Lab → · Contrast checker → · Palette generator →