#263B72#263B72

#263B72 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.098 H 266.0°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#263B72
RGB	rgb(38, 59, 114)
HSL	hsl(223, 50%, 30%)
HSV	hsv(223, 67%, 45%)
CMYK	cmyk(66.7%, 48.2%, 0%, 55.3%)
CIE-LAB	lab(26.02, 11.07, -34.28)
CIE-LCH	lch(26.02, 36.03, 287.90°)
OKLab	oklab(36.61% -0.0069 -0.098)
OKLCH	oklch(36.61% 0.098 266)
XYZ	xyz(5.3995, 4.7544, 16.5495)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263B72 #725D26

analogous

#266172 #263B72 #372672

triadic

#263B72 #72263B #3B7226

tetradic

#263B72 #722661 #725D26 #267237

square

#263B72 #722661 #725D26 #267237

split-complementary

#263B72 #723726 #617226

monochromatic

#080C17 #172344 #263B72 #3553A0 #4E6FC4

Accessibility & contrast

On white

10.76

#263B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#263B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B72

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263B72	#FFFFFF	#000000	##FFFFFF
##263B72	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204174

Deuteranopia (green-blind)

#133A71

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #263b72;
/* rgb */ color: rgb(38, 59, 114);
/* oklch */ color: oklch(36.6% 0.098 266.0);

Tailwind

colors: {
  custom: {
    50: '#69709b',
    500: '#263b72',
    950: '#000000',
  },
}

SCSS

$custom: #263b72;
$custom-light: #69709b;
$custom-dark: #000000;

JSON

{
  "hex": "#263b72",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 114
  },
  "hsl": {
    "h": 223.421,
    "s": 50,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36615,
    "c": 0.09821,
    "h": 266
  },
  "luminance": 0.04755
}

Semantic roles & 50–950 ramp

primary

#263B72

secondary

#A58D4F

accent

#B34EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #263B72

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

Preview Lab → · Contrast checker → · Palette generator →