#131D3D#131D3D

#131D3D is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.1% C 0.063 H 268.4°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX	#131D3D
RGB	rgb(19, 29, 61)
HSL	hsl(226, 53%, 16%)
HSV	hsv(226, 69%, 24%)
CMYK	cmyk(68.9%, 52.5%, 0%, 76.1%)
CIE-LAB	lab(11.65, 7.62, -21.96)
CIE-LCH	lch(11.65, 23.24, 289.14°)
OKLab	oklab(24.11% -0.0018 -0.0626)
OKLCH	oklch(24.11% 0.063 268.4)
XYZ	xyz(1.5499, 1.3540, 4.5936)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D3D #3D3313

analogous

#13323D #131D3D #1E133D

triadic

#131D3D #3D131D #1D3D13

tetradic

#131D3D #3D1332 #3D3313 #133D1E

square

#131D3D #3D1332 #3D3313 #133D1E

split-complementary

#131D3D #3D1E13 #323D13

monochromatic

#070B17 #070B17 #131D3D #22336C #30499A

Accessibility & contrast

On white

16.53

#131D3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131D3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D3D

16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D3D	#FFFFFF	#000000	##FFFFFF
##131D3D	1.00	16.53	1.27	16.53
#FFFFFF	16.53	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E213E

Deuteranopia (green-blind)

#081D3C

Tritanopia (blue-blind)

#00242A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131d3d;
/* rgb */ color: rgb(19, 29, 61);
/* oklch */ color: oklch(24.1% 0.063 268.4);

Tailwind

colors: {
  custom: {
    50: '#555873',
    500: '#131d3d',
    950: '#000000',
  },
}

SCSS

$custom: #131d3d;
$custom-light: #555873;
$custom-dark: #000000;

JSON

{
  "hex": "#131d3d",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 61
  },
  "hsl": {
    "h": 225.714,
    "s": 52.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.24108,
    "c": 0.06268,
    "h": 268.4
  },
  "luminance": 0.01354
}

Semantic roles & 50–950 ramp

primary

#131D3D

secondary

#756636

accent

#BA4CDC

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030308

muted

#78787B

Preview Lab

Preview with #131D3D

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

Preview Lab → · Contrast checker → · Palette generator →