#131C43#131C43

#131C43 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.074 H 270.2°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#131C43
RGB	rgb(19, 28, 67)
HSL	hsl(229, 56%, 17%)
HSV	hsv(229, 72%, 26%)
CMYK	cmyk(71.6%, 58.2%, 0%, 73.7%)
CIE-LAB	lab(11.78, 10.91, -25.96)
CIE-LCH	lch(11.78, 28.16, 292.80°)
OKLab	oklab(24.36% 0.0003 -0.0744)
OKLCH	oklch(24.36% 0.074 270.2)
XYZ	xyz(1.6966, 1.3741, 5.4849)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C43 #433A13

analogous

#133443 #131C43 #221343

triadic

#131C43 #43131C #1C4313

tetradic

#131C43 #431334 #433A13 #134322

square

#131C43 #431334 #433A13 #134322

split-complementary

#131C43 #432213 #344313

monochromatic

#070A18 #070A18 #131C43 #213073 #2E44A2

Accessibility & contrast

On white

16.47

#131C43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131C43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C43

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C43	#FFFFFF	#000000	##FFFFFF
##131C43	1.00	16.47	1.27	16.47
#FFFFFF	16.47	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062144

Deuteranopia (green-blind)

#001D42

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131c43;
/* rgb */ color: rgb(19, 28, 67);
/* oklch */ color: oklch(24.4% 0.074 270.2);

Tailwind

colors: {
  custom: {
    50: '#575777',
    500: '#131c43',
    950: '#000000',
  },
}

SCSS

$custom: #131c43;
$custom-light: #575777;
$custom-dark: #000000;

JSON

{
  "hex": "#131c43",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 67
  },
  "hsl": {
    "h": 228.75,
    "s": 55.814,
    "l": 16.863
  },
  "oklch": {
    "l": 0.2436,
    "c": 0.07444,
    "h": 270.2
  },
  "luminance": 0.01374
}

Semantic roles & 50–950 ramp

primary

#131C43

secondary

#7C6F36

accent

#C349DF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #131C43

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

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