#263F87#263F87

#263F87 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.124 H 266.3°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#263F87
RGB	rgb(38, 63, 135)
HSL	hsl(225, 56%, 34%)
HSV	hsv(225, 72%, 53%)
CMYK	cmyk(71.9%, 53.3%, 0%, 47.1%)
CIE-LAB	lab(28.68, 16.47, -43.19)
CIE-LCH	lch(28.68, 46.22, 290.87°)
OKLab	oklab(39.12% -0.008 -0.1241)
OKLCH	oklch(39.12% 0.124 266.3)
XYZ	xyz(6.9485, 5.7157, 23.6540)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F87 #876E26

analogous

#267087 #263F87 #3E2687

triadic

#263F87 #87263F #3F8726

tetradic

#263F87 #872670 #876E26 #26873E

square

#263F87 #872670 #876E26 #26873E

split-complementary

#263F87 #873E26 #708726

monochromatic

#0B1227 #192957 #263F87 #3355B7 #5877D0

Accessibility & contrast

On white

9.80

#263F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#263F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F87

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F87	#FFFFFF	#000000	##FFFFFF
##263F87	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11488A

Deuteranopia (green-blind)

#003F86

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #263f87;
/* rgb */ color: rgb(38, 63, 135);
/* oklch */ color: oklch(39.1% 0.124 266.3);

Tailwind

colors: {
  custom: {
    50: '#6d73aa',
    500: '#263f87',
    950: '#000000',
  },
}

SCSS

$custom: #263f87;
$custom-light: #6d73aa;
$custom-dark: #000000;

JSON

{
  "hex": "#263f87",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 135
  },
  "hsl": {
    "h": 224.536,
    "s": 56.069,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39115,
    "c": 0.12438,
    "h": 266.3
  },
  "luminance": 0.05716
}

Semantic roles & 50–950 ramp

primary

#263F87

secondary

#B59C54

accent

#B848DF

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #263F87

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

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