#131F52#131F52

#131F52 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.094 H 268.9°. Best body text is #FFFFFF at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#131F52
RGB	rgb(19, 31, 82)
HSL	hsl(229, 62%, 20%)
HSV	hsv(229, 77%, 32%)
CMYK	cmyk(76.8%, 62.2%, 0%, 67.8%)
CIE-LAB	lab(13.99, 14.97, -32.74)
CIE-LCH	lch(13.99, 36.00, 294.57°)
OKLab	oklab(26.42% -0.0017 -0.0943)
OKLCH	oklch(26.42% 0.094 268.9)
XYZ	xyz(2.2810, 1.7274, 8.1942)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F52 #524613

analogous

#133F52 #131F52 #261352

triadic

#131F52 #52131F #1F5213

tetradic

#131F52 #52133F #524613 #135226

square

#131F52 #52133F #524613 #135226

split-complementary

#131F52 #522613 #3F5213

monochromatic

#060919 #070C20 #131F52 #1F3284 #2A45B5

Accessibility & contrast

On white

15.61

#131F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#131F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F52

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F52	#FFFFFF	#000000	##FFFFFF
##131F52	1.00	15.61	1.35	15.61
#FFFFFF	15.61	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002754

Deuteranopia (green-blind)

#002151

Tritanopia (blue-blind)

#002C35

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #131f52;
/* rgb */ color: rgb(19, 31, 82);
/* oklch */ color: oklch(26.4% 0.094 268.9);

Tailwind

colors: {
  custom: {
    50: '#5b5a83',
    500: '#131f52',
    950: '#000000',
  },
}

SCSS

$custom: #131f52;
$custom-light: #5b5a83;
$custom-dark: #000000;

JSON

{
  "hex": "#131f52",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 82
  },
  "hsl": {
    "h": 228.571,
    "s": 62.376,
    "l": 19.804
  },
  "oklch": {
    "l": 0.26419,
    "c": 0.09436,
    "h": 268.9
  },
  "luminance": 0.01728
}

Semantic roles & 50–950 ramp

primary

#131F52

secondary

#8A7A36

accent

#C642E5

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #131F52

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

Preview Lab → · Contrast checker → · Palette generator →