#131B34#131B34

#131B34 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 22.9% C 0.050 H 268.8°. Best body text is #FFFFFF at 17.02:1 contrast (WCAG AA passes).

Color values

HEX	#131B34
RGB	rgb(19, 27, 52)
HSL	hsl(225, 46%, 14%)
HSV	hsv(225, 63%, 20%)
CMYK	cmyk(63.5%, 48.1%, 0%, 79.6%)
CIE-LAB	lab(10.34, 5.45, -17.61)
CIE-LCH	lch(10.34, 18.44, 287.18°)
OKLab	oklab(22.9% -0.001 -0.0499)
OKLCH	oklch(22.9% 0.05 268.8)
XYZ	xyz(1.2801, 1.1702, 3.4066)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B34 #342C13

analogous

#132C34 #131B34 #1C1334

triadic

#131B34 #34131B #1B3413

tetradic

#131B34 #34132C #342C13 #13341C

square

#131B34 #34132C #342C13 #13341C

split-complementary

#131B34 #341C13 #2C3413

monochromatic

#080C16 #080C16 #131B34 #233261 #344A8E

Accessibility & contrast

On white

17.02

#131B34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#131B34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B34

17.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B34	#FFFFFF	#000000	##FFFFFF
##131B34	1.00	17.02	1.23	17.02
#FFFFFF	17.02	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111E35

Deuteranopia (green-blind)

#0D1B33

Tritanopia (blue-blind)

#042024

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #131b34;
/* rgb */ color: rgb(19, 27, 52);
/* oklch */ color: oklch(22.9% 0.050 268.8);

Tailwind

colors: {
  custom: {
    50: '#54566b',
    500: '#131b34',
    950: '#000000',
  },
}

SCSS

$custom: #131b34;
$custom-light: #54566b;
$custom-dark: #000000;

JSON

{
  "hex": "#131b34",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 52
  },
  "hsl": {
    "h": 225.455,
    "s": 46.479,
    "l": 13.922
  },
  "oklch": {
    "l": 0.22896,
    "c": 0.04995,
    "h": 268.8
  },
  "luminance": 0.0117
}

Semantic roles & 50–950 ramp

primary

#131B34

secondary

#6C5F37

accent

#B652D6

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #131B34

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

Preview Lab → · Contrast checker → · Palette generator →