#263B73#263B73

#263B73 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.7% C 0.100 H 266.2°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#263B73
RGB	rgb(38, 59, 115)
HSL	hsl(224, 50%, 30%)
HSV	hsv(224, 67%, 45%)
CMYK	cmyk(67%, 48.7%, 0%, 54.9%)
CIE-LAB	lab(26.09, 11.46, -34.81)
CIE-LCH	lch(26.09, 36.65, 288.22°)
OKLab	oklab(36.69% -0.0067 -0.0995)
OKLCH	oklch(36.69% 0.1 266.2)
XYZ	xyz(5.4567, 4.7773, 16.8509)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B73 #735E26

analogous

#266273 #263B73 #372673

triadic

#263B73 #73263B #3B7326

tetradic

#263B73 #732662 #735E26 #267337

square

#263B73 #732662 #735E26 #267337

split-complementary

#263B73 #733726 #627326

monochromatic

#080C17 #172345 #263B73 #3553A1 #4F6FC5

Accessibility & contrast

On white

10.74

#263B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#263B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B73

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B73	#FFFFFF	#000000	##FFFFFF
##263B73	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4175

Deuteranopia (green-blind)

#113A72

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263b73;
/* rgb */ color: rgb(38, 59, 115);
/* oklch */ color: oklch(36.7% 0.100 266.2);

Tailwind

colors: {
  custom: {
    50: '#69709c',
    500: '#263b73',
    950: '#000000',
  },
}

SCSS

$custom: #263b73;
$custom-light: #69709c;
$custom-dark: #000000;

JSON

{
  "hex": "#263b73",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 115
  },
  "hsl": {
    "h": 223.636,
    "s": 50.327,
    "l": 30
  },
  "oklch": {
    "l": 0.36688,
    "c": 0.09975,
    "h": 266.2
  },
  "luminance": 0.04778
}

Semantic roles & 50–950 ramp

primary

#263B73

secondary

#A68E4F

accent

#B44EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #263B73

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

Preview Lab → · Contrast checker → · Palette generator →