#131F42#131F42

#131F42 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.068 H 267.2°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#131F42
RGB	rgb(19, 31, 66)
HSL	hsl(225, 55%, 17%)
HSV	hsv(225, 71%, 26%)
CMYK	cmyk(71.2%, 53%, 0%, 74.1%)
CIE-LAB	lab(12.68, 8.19, -23.82)
CIE-LCH	lch(12.68, 25.19, 288.98°)
OKLab	oklab(25.02% -0.0034 -0.0681)
OKLCH	oklch(25.02% 0.068 267.2)
XYZ	xyz(1.7416, 1.5116, 5.3532)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F42 #423613

analogous

#133742 #131F42 #1F1342

triadic

#131F42 #42131F #1F4213

tetradic

#131F42 #421337 #423613 #13421F

square

#131F42 #421337 #423613 #13421F

split-complementary

#131F42 #421F13 #374213

monochromatic

#070B18 #070B18 #131F42 #213572 #2E4CA1

Accessibility & contrast

On white

16.12

#131F42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#131F42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F42

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F42	#FFFFFF	#000000	##FFFFFF
##131F42	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2343

Deuteranopia (green-blind)

#061F41

Tritanopia (blue-blind)

#00272D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #131f42;
/* rgb */ color: rgb(19, 31, 66);
/* oklch */ color: oklch(25.0% 0.068 267.2);

Tailwind

colors: {
  custom: {
    50: '#565a76',
    500: '#131f42',
    950: '#000000',
  },
}

SCSS

$custom: #131f42;
$custom-light: #565a76;
$custom-dark: #000000;

JSON

{
  "hex": "#131f42",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 66
  },
  "hsl": {
    "h": 224.681,
    "s": 55.294,
    "l": 16.667
  },
  "oklch": {
    "l": 0.25018,
    "c": 0.06817,
    "h": 267.2
  },
  "luminance": 0.01512
}

Semantic roles & 50–950 ramp

primary

#131F42

secondary

#7B6936

accent

#B849DF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #131F42

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

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