#131851#131851

#131851 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.103 H 272.5°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#131851
RGB	rgb(19, 24, 81)
HSL	hsl(235, 62%, 20%)
HSV	hsv(235, 77%, 32%)
CMYK	cmyk(76.5%, 70.4%, 0%, 68.2%)
CIE-LAB	lab(11.86, 19.76, -35.52)
CIE-LCH	lch(11.86, 40.65, 299.09°)
OKLab	oklab(24.82% 0.0044 -0.1026)
OKLCH	oklch(24.82% 0.103 272.5)
XYZ	xyz(2.0799, 1.3856, 7.9408)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131851 #514C13

analogous

#133751 #131851 #2D1351

triadic

#131851 #511318 #185113

tetradic

#131851 #511337 #514C13 #13512D

square

#131851 #511337 #514C13 #13512D

split-complementary

#131851 #512D13 #375113

monochromatic

#060719 #07091F #131851 #1F2783 #2A35B4

Accessibility & contrast

On white

16.44

#131851 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131851 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131851

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131851	#FFFFFF	#000000	##FFFFFF
##131851	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002253

Deuteranopia (green-blind)

#001C50

Tritanopia (blue-blind)

#002732

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131851;
/* rgb */ color: rgb(19, 24, 81);
/* oklch */ color: oklch(24.8% 0.103 272.5);

Tailwind

colors: {
  custom: {
    50: '#5b5482',
    500: '#131851',
    950: '#000000',
  },
}

SCSS

$custom: #131851;
$custom-light: #5b5482;
$custom-dark: #000000;

JSON

{
  "hex": "#131851",
  "rgb": {
    "r": 19,
    "g": 24,
    "b": 81
  },
  "hsl": {
    "h": 235.161,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.24816,
    "c": 0.10268,
    "h": 272.5
  },
  "luminance": 0.01386
}

Semantic roles & 50–950 ramp

primary

#131851

secondary

#8A8336

accent

#D843E5

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #131851

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

Preview Lab → · Contrast checker → · Palette generator →