#263E88#263E88

#263E88 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.127 H 266.8°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#263E88
RGB	rgb(38, 62, 136)
HSL	hsl(225, 56%, 34%)
HSV	hsv(225, 72%, 53%)
CMYK	cmyk(72.1%, 54.4%, 0%, 46.7%)
CIE-LAB	lab(28.47, 17.54, -44.15)
CIE-LCH	lch(28.47, 47.51, 291.67°)
OKLab	oklab(38.98% -0.007 -0.127)
OKLCH	oklch(38.98% 0.127 266.8)
XYZ	xyz(6.9643, 5.6342, 24.0083)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E88 #887026

analogous

#266F88 #263E88 #3F2688

triadic

#263E88 #88263E #3E8826

tetradic

#263E88 #88266F #887026 #26883F

square

#263E88 #88266F #887026 #26883F

split-complementary

#263E88 #883F26 #6F8826

monochromatic

#0B1228 #192858 #263E88 #3354B8 #5876D0

Accessibility & contrast

On white

9.87

#263E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#263E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E88

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E88	#FFFFFF	#000000	##FFFFFF
##263E88	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)

#0B488B

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263e88;
/* rgb */ color: rgb(38, 62, 136);
/* oklch */ color: oklch(39.0% 0.127 266.8);

Tailwind

colors: {
  custom: {
    50: '#6e72ab',
    500: '#263e88',
    950: '#000000',
  },
}

SCSS

$custom: #263e88;
$custom-light: #6e72ab;
$custom-dark: #000000;

JSON

{
  "hex": "#263e88",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 136
  },
  "hsl": {
    "h": 225.306,
    "s": 56.322,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38977,
    "c": 0.12717,
    "h": 266.8
  },
  "luminance": 0.05635
}

Semantic roles & 50–950 ramp

primary

#263E88

secondary

#B59D55

accent

#BB48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #263E88

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

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