#263D8D#263D8D

#263D8D is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.136 H 267.6°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#263D8D
RGB	rgb(38, 61, 141)
HSL	hsl(227, 58%, 35%)
HSV	hsv(227, 73%, 55%)
CMYK	cmyk(73%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(28.57, 20.18, -47.09)
CIE-LCH	lch(28.57, 51.23, 293.19°)
OKLab	oklab(39.17% -0.0058 -0.1356)
OKLCH	oklch(39.17% 0.136 267.6)
XYZ	xyz(7.2741, 5.6719, 25.9056)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D8D #8D7626

analogous

#26708D #263D8D #42268D

triadic

#263D8D #8D263D #3D8D26

tetradic

#263D8D #8D2670 #8D7626 #268D42

square

#263D8D #8D2670 #8D7626 #268D42

split-complementary

#263D8D #8D4226 #708D26

monochromatic

#0C132D #19285D #263D8D #3352BD #5B75D3

Accessibility & contrast

On white

9.84

#263D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#263D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D8D

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D8D	#FFFFFF	#000000	##FFFFFF
##263D8D	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004890

Deuteranopia (green-blind)

#003F8B

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263d8d;
/* rgb */ color: rgb(38, 61, 141);
/* oklch */ color: oklch(39.2% 0.136 267.6);

Tailwind

colors: {
  custom: {
    50: '#6f72af',
    500: '#263d8d',
    950: '#000000',
  },
}

SCSS

$custom: #263d8d;
$custom-light: #6f72af;
$custom-dark: #000000;

JSON

{
  "hex": "#263d8d",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 226.602,
    "s": 57.542,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39172,
    "c": 0.13574,
    "h": 267.6
  },
  "luminance": 0.05673
}

Semantic roles & 50–950 ramp

primary

#263D8D

secondary

#B8A257

accent

#BE47E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263D8D

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

Preview Lab → · Contrast checker → · Palette generator →