#263D89#263D89

#263D89 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.8% C 0.130 H 267.3°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#263D89
RGB	rgb(38, 61, 137)
HSL	hsl(226, 57%, 34%)
HSV	hsv(226, 72%, 54%)
CMYK	cmyk(72.3%, 55.5%, 0%, 46.3%)
CIE-LAB	lab(28.26, 18.62, -45.11)
CIE-LCH	lch(28.26, 48.81, 292.43°)
OKLab	oklab(38.84% -0.006 -0.1298)
OKLCH	oklch(38.84% 0.13 267.3)
XYZ	xyz(6.9819, 5.5550, 24.3663)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D89 #897226

analogous

#266F89 #263D89 #412689

triadic

#263D89 #89263D #3D8926

tetradic

#263D89 #89266F #897226 #268941

square

#263D89 #89266F #897226 #268941

split-complementary

#263D89 #894126 #6F8926

monochromatic

#0B1229 #192859 #263D89 #3352B9 #5975D1

Accessibility & contrast

On white

9.95

#263D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#263D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D89

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D89	#FFFFFF	#000000	##FFFFFF
##263D89	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03478C

Deuteranopia (green-blind)

#003E87

Tritanopia (blue-blind)

#004F5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263d89;
/* rgb */ color: rgb(38, 61, 137);
/* oklch */ color: oklch(38.8% 0.130 267.3);

Tailwind

colors: {
  custom: {
    50: '#6e72ac',
    500: '#263d89',
    950: '#000000',
  },
}

SCSS

$custom: #263d89;
$custom-light: #6e72ac;
$custom-dark: #000000;

JSON

{
  "hex": "#263d89",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 226.061,
    "s": 56.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.38843,
    "c": 0.12995,
    "h": 267.3
  },
  "luminance": 0.05556
}

Semantic roles & 50–950 ramp

primary

#263D89

secondary

#B69F55

accent

#BD48E0

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #263D89

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

Preview Lab → · Contrast checker → · Palette generator →