#263D8C#263D8C

#263D8C is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.134 H 267.5°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#263D8C
RGB	rgb(38, 61, 140)
HSL	hsl(226, 57%, 35%)
HSV	hsv(226, 73%, 55%)
CMYK	cmyk(72.9%, 56.4%, 0%, 45.1%)
CIE-LAB	lab(28.49, 19.79, -46.59)
CIE-LCH	lch(28.49, 50.62, 293.01°)
OKLab	oklab(39.09% -0.0058 -0.1342)
OKLCH	oklch(39.09% 0.134 267.5)
XYZ	xyz(7.2001, 5.6423, 25.5155)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D8C #8C7526

analogous

#26708C #263D8C #42268C

triadic

#263D8C #8C263D #3D8C26

tetradic

#263D8C #8C2670 #8C7526 #268C42

square

#263D8C #8C2670 #8C7526 #268C42

split-complementary

#263D8C #8C4226 #708C26

monochromatic

#0C132C #19285C #263D8C #3352BC #5A75D2

Accessibility & contrast

On white

9.87

#263D8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#263D8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D8C

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D8C	#FFFFFF	#000000	##FFFFFF
##263D8C	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488F

Deuteranopia (green-blind)

#003F8A

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263d8c;
/* rgb */ color: rgb(38, 61, 140);
/* oklch */ color: oklch(39.1% 0.134 267.5);

Tailwind

colors: {
  custom: {
    50: '#6f72ae',
    500: '#263d8c',
    950: '#000000',
  },
}

SCSS

$custom: #263d8c;
$custom-light: #6f72ae;
$custom-dark: #000000;

JSON

{
  "hex": "#263d8c",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 140
  },
  "hsl": {
    "h": 226.471,
    "s": 57.303,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39089,
    "c": 0.1343,
    "h": 267.5
  },
  "luminance": 0.05643
}

Semantic roles & 50–950 ramp

primary

#263D8C

secondary

#B7A157

accent

#BE47E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263D8C

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

Preview Lab → · Contrast checker → · Palette generator →