#131B36#131B36

#131B36 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.0% C 0.054 H 269.4°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#131B36
RGB	rgb(19, 27, 54)
HSL	hsl(226, 48%, 14%)
HSV	hsv(226, 65%, 21%)
CMYK	cmyk(64.8%, 50%, 0%, 78.8%)
CIE-LAB	lab(10.47, 6.26, -18.84)
CIE-LCH	lch(10.47, 19.85, 288.39°)
OKLab	oklab(23.05% -0.0005 -0.0535)
OKLCH	oklch(23.05% 0.054 269.4)
XYZ	xyz(1.3261, 1.1886, 3.6488)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B36 #362E13

analogous

#132D36 #131B36 #1D1336

triadic

#131B36 #36131B #1B3613

tetradic

#131B36 #36132D #362E13 #13361D

square

#131B36 #36132D #362E13 #13361D

split-complementary

#131B36 #361D13 #2D3613

monochromatic

#080B17 #080B17 #131B36 #233263 #334891

Accessibility & contrast

On white

16.97

#131B36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#131B36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B36

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B36	#FFFFFF	#000000	##FFFFFF
##131B36	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F1E37

Deuteranopia (green-blind)

#0B1B35

Tritanopia (blue-blind)

#022125

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #131b36;
/* rgb */ color: rgb(19, 27, 54);
/* oklch */ color: oklch(23.0% 0.054 269.4);

Tailwind

colors: {
  custom: {
    50: '#54566d',
    500: '#131b36',
    950: '#000000',
  },
}

SCSS

$custom: #131b36;
$custom-light: #54566d;
$custom-dark: #000000;

JSON

{
  "hex": "#131b36",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 54
  },
  "hsl": {
    "h": 226.286,
    "s": 47.945,
    "l": 14.314
  },
  "oklch": {
    "l": 0.23046,
    "c": 0.05353,
    "h": 269.4
  },
  "luminance": 0.01189
}

Semantic roles & 50–950 ramp

primary

#131B36

secondary

#6E6137

accent

#B950D8

background

#F4F5F6

surface

#E8E9EB

border

#C4C5C6

text

#030307

muted

#78787A

Preview Lab

Preview with #131B36

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

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