#131D2E#131D2E

#131D2E is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.0% C 0.036 H 260.6°. Best body text is #FFFFFF at 16.90:1 contrast (WCAG AA passes).

Color values

HEX	#131D2E
RGB	rgb(19, 29, 46)
HSL	hsl(218, 42%, 13%)
HSV	hsv(218, 59%, 18%)
CMYK	cmyk(58.7%, 37%, 0%, 82%)
CIE-LAB	lab(10.66, 1.53, -12.75)
CIE-LCH	lch(10.66, 12.84, 276.84°)
OKLab	oklab(23.03% -0.0059 -0.0358)
OKLCH	oklch(23.03% 0.036 260.6)
XYZ	xyz(1.2009, 1.2144, 2.7554)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D2E #2E2413

analogous

#132A2E #131D2E #17132E

triadic

#131D2E #2E131D #1D2E13

tetradic

#131D2E #2E132A #2E2413 #132E17

square

#131D2E #2E132A #2E2413 #132E17

split-complementary

#131D2E #2E1713 #2A2E13

monochromatic

#090E16 #090E16 #131D2E #253859 #375485

Accessibility & contrast

On white

16.90

#131D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#131D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D2E

16.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D2E	#FFFFFF	#000000	##FFFFFF
##131D2E	1.00	16.90	1.24	16.90
#FFFFFF	16.90	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171E2F

Deuteranopia (green-blind)

#131C2E

Tritanopia (blue-blind)

#082123

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131d2e;
/* rgb */ color: rgb(19, 29, 46);
/* oklch */ color: oklch(23.0% 0.036 260.6);

Tailwind

colors: {
  custom: {
    50: '#525866',
    500: '#131d2e',
    950: '#000000',
  },
}

SCSS

$custom: #131d2e;
$custom-light: #525866;
$custom-dark: #000000;

JSON

{
  "hex": "#131d2e",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 46
  },
  "hsl": {
    "h": 217.778,
    "s": 41.538,
    "l": 12.745
  },
  "oklch": {
    "l": 0.23027,
    "c": 0.03624,
    "h": 260.6
  },
  "luminance": 0.01214
}

Semantic roles & 50–950 ramp

primary

#131D2E

secondary

#655438

accent

#A456D1

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #131D2E

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

Preview Lab → · Contrast checker → · Palette generator →