#263371#263371

#263371 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.7% C 0.108 H 270.9°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#263371
RGB	rgb(38, 51, 113)
HSL	hsl(230, 50%, 30%)
HSV	hsv(230, 66%, 44%)
CMYK	cmyk(66.4%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(23.58, 16.29, -37.58)
CIE-LCH	lch(23.58, 40.96, 293.44°)
OKLab	oklab(34.73% 0.0017 -0.1078)
OKLCH	oklch(34.73% 0.108 270.9)
XYZ	xyz(4.9628, 3.9715, 16.1246)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263371 #716426

analogous

#265971 #263371 #3F2671

triadic

#263371 #712633 #337126

tetradic

#263371 #712659 #716426 #26713F

square

#263371 #712659 #716426 #26713F

split-complementary

#263371 #713F26 #597126

monochromatic

#080A17 #171E43 #263371 #35489F #4E62C3

Accessibility & contrast

On white

11.70

#263371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#263371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263371

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263371	#FFFFFF	#000000	##FFFFFF
##263371	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3C73

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #263371;
/* rgb */ color: rgb(38, 51, 113);
/* oklch */ color: oklch(34.7% 0.108 270.9);

Tailwind

colors: {
  custom: {
    50: '#696a9a',
    500: '#263371',
    950: '#000000',
  },
}

SCSS

$custom: #263371;
$custom-light: #696a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#263371",
  "rgb": {
    "r": 38,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 229.6,
    "s": 49.669,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34733,
    "c": 0.1078,
    "h": 270.9
  },
  "luminance": 0.03972
}

Semantic roles & 50–950 ramp

primary

#263371

secondary

#A4954F

accent

#C14FD9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #263371

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

Preview Lab → · Contrast checker → · Palette generator →