#131F76#131F76

#131F76 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.2% C 0.147 H 268.6°. Best body text is #FFFFFF at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#131F76
RGB	rgb(19, 31, 118)
HSL	hsl(233, 72%, 27%)
HSV	hsv(233, 84%, 46%)
CMYK	cmyk(83.9%, 73.7%, 0%, 53.7%)
CIE-LAB	lab(17.58, 29.57, -50.62)
CIE-LCH	lch(17.58, 58.62, 300.29°)
OKLab	oklab(30.15% -0.0036 -0.1467)
OKLCH	oklch(30.15% 0.147 268.6)
XYZ	xyz(4.0274, 2.4260, 17.3920)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F76 #766A13

analogous

#135176 #131F76 #391376

triadic

#131F76 #76131F #1F7613

tetradic

#131F76 #761351 #766A13 #137639

square

#131F76 #761351 #766A13 #137639

split-complementary

#131F76 #763913 #517613

monochromatic

#04071A #0B1141 #131F76 #1B2DAB #273DDC

Accessibility & contrast

On white

14.14

#131F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#131F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F76

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F76	#FFFFFF	#000000	##FFFFFF
##131F76	1.00	14.14	1.49	14.14
#FFFFFF	14.14	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002674

Tritanopia (blue-blind)

#003848

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #131f76;
/* rgb */ color: rgb(19, 31, 118);
/* oklch */ color: oklch(30.2% 0.147 268.6);

Tailwind

colors: {
  custom: {
    50: '#655b9e',
    500: '#131f76',
    950: '#000000',
  },
}

SCSS

$custom: #131f76;
$custom-light: #655b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#131f76",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 118
  },
  "hsl": {
    "h": 232.727,
    "s": 72.263,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30155,
    "c": 0.1467,
    "h": 268.6
  },
  "luminance": 0.02426
}

Semantic roles & 50–950 ramp

primary

#131F76

secondary

#AC9E39

accent

#D939EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #131F76

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

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