#263D8A#263D8A

#263D8A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.131 H 267.4°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#263D8A
RGB	rgb(38, 61, 138)
HSL	hsl(226, 57%, 35%)
HSV	hsv(226, 72%, 54%)
CMYK	cmyk(72.5%, 55.8%, 0%, 45.9%)
CIE-LAB	lab(28.34, 19.01, -45.61)
CIE-LCH	lch(28.34, 49.41, 292.63°)
OKLab	oklab(38.92% -0.006 -0.1313)
OKLCH	oklch(38.92% 0.131 267.4)
XYZ	xyz(7.0539, 5.5838, 24.7459)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D8A #8A7326

analogous

#266F8A #263D8A #41268A

triadic

#263D8A #8A263D #3D8A26

tetradic

#263D8A #8A266F #8A7326 #268A41

square

#263D8A #8A266F #8A7326 #268A41

split-complementary

#263D8A #8A4126 #6F8A26

monochromatic

#0C132A #19285A #263D8A #3352BA #5975D1

Accessibility & contrast

On white

9.92

#263D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#263D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D8A

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D8A	#FFFFFF	#000000	##FFFFFF
##263D8A	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263d8a;
/* rgb */ color: rgb(38, 61, 138);
/* oklch */ color: oklch(38.9% 0.131 267.4);

Tailwind

colors: {
  custom: {
    50: '#6e72ad',
    500: '#263d8a',
    950: '#000000',
  },
}

SCSS

$custom: #263d8a;
$custom-light: #6e72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#263d8a",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 138
  },
  "hsl": {
    "h": 226.2,
    "s": 56.818,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38924,
    "c": 0.13141,
    "h": 267.4
  },
  "luminance": 0.05585
}

Semantic roles & 50–950 ramp

primary

#263D8A

secondary

#B6A056

accent

#BD48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263D8A

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

Preview Lab → · Contrast checker → · Palette generator →