#131D47#131D47

#131D47 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.080 H 269.7°. Best body text is #FFFFFF at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#131D47
RGB	rgb(19, 29, 71)
HSL	hsl(228, 58%, 18%)
HSV	hsv(228, 73%, 28%)
CMYK	cmyk(73.2%, 59.2%, 0%, 72.2%)
CIE-LAB	lab(12.43, 11.84, -27.71)
CIE-LCH	lch(12.43, 30.13, 293.13°)
OKLab	oklab(24.95% -0.0004 -0.0796)
OKLCH	oklch(24.95% 0.08 269.7)
XYZ	xyz(1.8449, 1.4719, 6.1469)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D47 #473D13

analogous

#133747 #131D47 #231347

triadic

#131D47 #47131D #1D4713

tetradic

#131D47 #471337 #473D13 #134723

square

#131D47 #471337 #473D13 #134723

split-complementary

#131D47 #472313 #374713

monochromatic

#060A18 #060A18 #131D47 #203177 #2D44A8

Accessibility & contrast

On white

16.22

#131D47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#131D47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D47

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D47	#FFFFFF	#000000	##FFFFFF
##131D47	1.00	16.22	1.29	16.22
#FFFFFF	16.22	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032348

Deuteranopia (green-blind)

#001E46

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131d47;
/* rgb */ color: rgb(19, 29, 71);
/* oklch */ color: oklch(25.0% 0.080 269.7);

Tailwind

colors: {
  custom: {
    50: '#58587a',
    500: '#131d47',
    950: '#000000',
  },
}

SCSS

$custom: #131d47;
$custom-light: #58587a;
$custom-dark: #000000;

JSON

{
  "hex": "#131d47",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 71
  },
  "hsl": {
    "h": 228.462,
    "s": 57.778,
    "l": 17.647
  },
  "oklch": {
    "l": 0.24951,
    "c": 0.07957,
    "h": 269.7
  },
  "luminance": 0.01472
}

Semantic roles & 50–950 ramp

primary

#131D47

secondary

#807236

accent

#C347E1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #131D47

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

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