#263F91#263F91

#263F91 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.9% C 0.139 H 267.0°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#263F91
RGB	rgb(38, 63, 145)
HSL	hsl(226, 58%, 36%)
HSV	hsv(226, 74%, 57%)
CMYK	cmyk(73.8%, 56.6%, 0%, 43.1%)
CIE-LAB	lab(29.44, 20.36, -48.14)
CIE-LCH	lch(29.44, 52.26, 292.92°)
OKLab	oklab(39.92% -0.0072 -0.1387)
OKLCH	oklch(39.92% 0.139 267)
XYZ	xyz(7.6859, 6.0106, 27.5377)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F91 #917826

analogous

#267491 #263F91 #422691

triadic

#263F91 #91263F #3F9126

tetradic

#263F91 #912674 #917826 #269142

square

#263F91 #912674 #917826 #269142

split-complementary

#263F91 #914226 #749126

monochromatic

#0D1530 #192A61 #263F91 #3354C1 #5D79D5

Accessibility & contrast

On white

9.54

#263F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#263F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F91

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F91	#FFFFFF	#000000	##FFFFFF
##263F91	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00418F

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #263f91;
/* rgb */ color: rgb(38, 63, 145);
/* oklch */ color: oklch(39.9% 0.139 267.0);

Tailwind

colors: {
  custom: {
    50: '#7073b2',
    500: '#263f91',
    950: '#000000',
  },
}

SCSS

$custom: #263f91;
$custom-light: #7073b2;
$custom-dark: #000000;

JSON

{
  "hex": "#263f91",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 145
  },
  "hsl": {
    "h": 225.981,
    "s": 58.47,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39925,
    "c": 0.13886,
    "h": 267
  },
  "luminance": 0.06011
}

Semantic roles & 50–950 ramp

primary

#263F91

secondary

#BAA359

accent

#BD46E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #263F91

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

Preview Lab → · Contrast checker → · Palette generator →