#263F85#263F85

#263F85 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.121 H 266.1°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#263F85
RGB	rgb(38, 63, 133)
HSL	hsl(224, 56%, 34%)
HSV	hsv(224, 71%, 52%)
CMYK	cmyk(71.4%, 52.6%, 0%, 47.8%)
CIE-LAB	lab(28.54, 15.69, -42.18)
CIE-LCH	lch(28.54, 45.01, 290.40°)
OKLab	oklab(38.96% -0.0083 -0.1212)
OKLCH	oklch(38.96% 0.121 266.1)
XYZ	xyz(6.8090, 5.6599, 22.9194)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263F85 #856C26

analogous

#266E85 #263F85 #3C2685

triadic

#263F85 #85263F #3F8526

tetradic

#263F85 #85266E #856C26 #26853C

square

#263F85 #85266E #856C26 #26853C

split-complementary

#263F85 #853C26 #6E8526

monochromatic

#0B1226 #182855 #263F85 #3456B5 #5776CF

Accessibility & contrast

On white

9.85

#263F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#263F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F85

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263F85	#FFFFFF	#000000	##FFFFFF
##263F85	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)

#144888

Deuteranopia (green-blind)

#003F84

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #263f85;
/* rgb */ color: rgb(38, 63, 133);
/* oklch */ color: oklch(39.0% 0.121 266.1);

Tailwind

colors: {
  custom: {
    50: '#6d73a9',
    500: '#263f85',
    950: '#000000',
  },
}

SCSS

$custom: #263f85;
$custom-light: #6d73a9;
$custom-dark: #000000;

JSON

{
  "hex": "#263f85",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 133
  },
  "hsl": {
    "h": 224.211,
    "s": 55.556,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38958,
    "c": 0.12144,
    "h": 266.1
  },
  "luminance": 0.05661
}

Semantic roles & 50–950 ramp

primary

#263F85

secondary

#B39A53

accent

#B749DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #263F85

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

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