#131C48#131C48

#131C48 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.083 H 270.5°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#131C48
RGB	rgb(19, 28, 72)
HSL	hsl(230, 58%, 18%)
HSV	hsv(230, 74%, 28%)
CMYK	cmyk(73.6%, 61.1%, 0%, 71.8%)
CIE-LAB	lab(12.20, 13.02, -28.77)
CIE-LCH	lch(12.20, 31.58, 294.35°)
OKLab	oklab(24.81% 0.0007 -0.0827)
OKLCH	oklch(24.81% 0.083 270.5)
XYZ	xyz(1.8531, 1.4367, 6.3093)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131C48 #483F13

analogous

#133648 #131C48 #241348

triadic

#131C48 #48131C #1C4813

tetradic

#131C48 #481336 #483F13 #134824

square

#131C48 #481336 #483F13 #134824

split-complementary

#131C48 #482413 #364813

monochromatic

#060918 #060918 #131C48 #202F78 #2D42A9

Accessibility & contrast

On white

16.31

#131C48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#131C48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C48

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131C48	#FFFFFF	#000000	##FFFFFF
##131C48	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224A

Deuteranopia (green-blind)

#001E47

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131c48;
/* rgb */ color: rgb(19, 28, 72);
/* oklch */ color: oklch(24.8% 0.083 270.5);

Tailwind

colors: {
  custom: {
    50: '#58577b',
    500: '#131c48',
    950: '#000000',
  },
}

SCSS

$custom: #131c48;
$custom-light: #58577b;
$custom-dark: #000000;

JSON

{
  "hex": "#131c48",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 72
  },
  "hsl": {
    "h": 229.811,
    "s": 58.242,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24806,
    "c": 0.08272,
    "h": 270.5
  },
  "luminance": 0.01437
}

Semantic roles & 50–950 ramp

primary

#131C48

secondary

#817436

accent

#C746E1

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #131C48

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

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