#131B41#131B41

#131B41 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.073 H 271.0°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#131B41
RGB	rgb(19, 27, 65)
HSL	hsl(230, 55%, 16%)
HSV	hsv(230, 71%, 25%)
CMYK	cmyk(70.8%, 58.5%, 0%, 74.5%)
CIE-LAB	lab(11.30, 10.84, -25.33)
CIE-LCH	lch(11.30, 27.56, 293.17°)
OKLab	oklab(23.95% 0.0013 -0.0726)
OKLCH	oklch(23.95% 0.073 271)
XYZ	xyz(1.6143, 1.3038, 5.1666)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B41 #413913

analogous

#133241 #131B41 #221341

triadic

#131B41 #41131B #1B4113

tetradic

#131B41 #411332 #413913 #134122

square

#131B41 #411332 #413913 #134122

split-complementary

#131B41 #412213 #324113

monochromatic

#070A18 #070A18 #131B41 #212F70 #2F42A0

Accessibility & contrast

On white

16.66

#131B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#131B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B41

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B41	#FFFFFF	#000000	##FFFFFF
##131B41	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062042

Deuteranopia (green-blind)

#001C40

Tritanopia (blue-blind)

#00242B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131b41;
/* rgb */ color: rgb(19, 27, 65);
/* oklch */ color: oklch(23.9% 0.073 271.0);

Tailwind

colors: {
  custom: {
    50: '#565676',
    500: '#131b41',
    950: '#000000',
  },
}

SCSS

$custom: #131b41;
$custom-light: #565676;
$custom-dark: #000000;

JSON

{
  "hex": "#131b41",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 65
  },
  "hsl": {
    "h": 229.565,
    "s": 54.762,
    "l": 16.471
  },
  "oklch": {
    "l": 0.23945,
    "c": 0.07263,
    "h": 271
  },
  "luminance": 0.01304
}

Semantic roles & 50–950 ramp

primary

#131B41

secondary

#7A6E36

accent

#C44ADE

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #131B41

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

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