#263E89#263E89

#263E89 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.129 H 266.9°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#263E89
RGB	rgb(38, 62, 137)
HSL	hsl(225, 57%, 34%)
HSV	hsv(225, 72%, 54%)
CMYK	cmyk(72.3%, 54.7%, 0%, 46.3%)
CIE-LAB	lab(28.55, 17.93, -44.65)
CIE-LCH	lch(28.55, 48.12, 291.88°)
OKLab	oklab(39.06% -0.0069 -0.1284)
OKLCH	oklch(39.06% 0.129 266.9)
XYZ	xyz(7.0357, 5.6627, 24.3843)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263E89 #897126

analogous

#266F89 #263E89 #402689

triadic

#263E89 #89263E #3E8926

tetradic

#263E89 #89266F #897126 #268940

square

#263E89 #89266F #897126 #268940

split-complementary

#263E89 #894026 #6F8926

monochromatic

#0B1329 #192859 #263E89 #3354B9 #5976D1

Accessibility & contrast

On white

9.85

#263E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#263E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263E89

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263E89	#FFFFFF	#000000	##FFFFFF
##263E89	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08488C

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263e89;
/* rgb */ color: rgb(38, 62, 137);
/* oklch */ color: oklch(39.1% 0.129 266.9);

Tailwind

colors: {
  custom: {
    50: '#6e72ac',
    500: '#263e89',
    950: '#000000',
  },
}

SCSS

$custom: #263e89;
$custom-light: #6e72ac;
$custom-dark: #000000;

JSON

{
  "hex": "#263e89",
  "rgb": {
    "r": 38,
    "g": 62,
    "b": 137
  },
  "hsl": {
    "h": 225.455,
    "s": 56.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39057,
    "c": 0.12863,
    "h": 266.9
  },
  "luminance": 0.05663
}

Semantic roles & 50–950 ramp

primary

#263E89

secondary

#B69E55

accent

#BB48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #263E89

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

Preview Lab → · Contrast checker → · Palette generator →