#263F89#263F89

#263F89 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.3% C 0.127 H 266.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#263F89
RGB	rgb(38, 63, 137)
HSL	hsl(225, 57%, 34%)
HSV	hsv(225, 72%, 54%)
CMYK	cmyk(72.3%, 54%, 0%, 46.3%)
CIE-LAB	lab(28.83, 17.25, -44.19)
CIE-LCH	lch(28.83, 47.44, 291.32°)
OKLab	oklab(39.27% -0.0078 -0.1271)
OKLCH	oklch(39.27% 0.127 266.5)
XYZ	xyz(7.0906, 5.7725, 24.4026)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F89 #897026

analogous

#267189 #263F89 #3E2689

triadic

#263F89 #89263F #3F8926

tetradic

#263F89 #892671 #897026 #26893E

square

#263F89 #892671 #897026 #26893E

split-complementary

#263F89 #893E26 #718926

monochromatic

#0B1329 #192959 #263F89 #3355B9 #5977D1

Accessibility & contrast

On white

9.75

#263F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#263F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F89

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F89	#FFFFFF	#000000	##FFFFFF
##263F89	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D498C

Deuteranopia (green-blind)

#004088

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #263f89;
/* rgb */ color: rgb(38, 63, 137);
/* oklch */ color: oklch(39.3% 0.127 266.5);

Tailwind

colors: {
  custom: {
    50: '#6e73ac',
    500: '#263f89',
    950: '#000000',
  },
}

SCSS

$custom: #263f89;
$custom-light: #6e73ac;
$custom-dark: #000000;

JSON

{
  "hex": "#263f89",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 137
  },
  "hsl": {
    "h": 224.848,
    "s": 56.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39274,
    "c": 0.1273,
    "h": 266.5
  },
  "luminance": 0.05773
}

Semantic roles & 50–950 ramp

primary

#263F89

secondary

#B69D55

accent

#B948E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #263F89

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

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