#131D3E#131D3E

#131D3E is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.2% C 0.064 H 268.6°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#131D3E
RGB	rgb(19, 29, 62)
HSL	hsl(226, 53%, 16%)
HSV	hsv(226, 69%, 24%)
CMYK	cmyk(69.4%, 53.2%, 0%, 75.7%)
CIE-LAB	lab(11.72, 8.04, -22.55)
CIE-LCH	lch(11.72, 23.94, 289.63°)
OKLab	oklab(24.19% -0.0016 -0.0644)
OKLCH	oklch(24.19% 0.064 268.6)
XYZ	xyz(1.5771, 1.3648, 4.7368)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D3E #3E3413

analogous

#13323E #131D3E #1E133E

triadic

#131D3E #3E131D #1D3E13

tetradic

#131D3E #3E1332 #3E3413 #133E1E

square

#131D3E #3E1332 #3E3413 #133E1E

split-complementary

#131D3E #3E1E13 #323E13

monochromatic

#070B17 #070B17 #131D3E #21336D #30499C

Accessibility & contrast

On white

16.50

#131D3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131D3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D3E

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D3E	#FFFFFF	#000000	##FFFFFF
##131D3E	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D213F

Deuteranopia (green-blind)

#071D3D

Tritanopia (blue-blind)

#00242A

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131d3e;
/* rgb */ color: rgb(19, 29, 62);
/* oklch */ color: oklch(24.2% 0.064 268.6);

Tailwind

colors: {
  custom: {
    50: '#565873',
    500: '#131d3e',
    950: '#000000',
  },
}

SCSS

$custom: #131d3e;
$custom-light: #565873;
$custom-dark: #000000;

JSON

{
  "hex": "#131d3e",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 62
  },
  "hsl": {
    "h": 226.047,
    "s": 53.086,
    "l": 15.882
  },
  "oklch": {
    "l": 0.24188,
    "c": 0.0644,
    "h": 268.6
  },
  "luminance": 0.01365
}

Semantic roles & 50–950 ramp

primary

#131D3E

secondary

#776836

accent

#BB4BDC

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #131D3E

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

Preview Lab → · Contrast checker → · Palette generator →