#131A80#131A80

#131A80 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.165 H 268.9°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#131A80
RGB	rgb(19, 26, 128)
HSL	hsl(236, 74%, 29%)
HSV	hsv(236, 85%, 50%)
CMYK	cmyk(85.2%, 79.7%, 0%, 49.8%)
CIE-LAB	lab(17.62, 36.39, -56.94)
CIE-LCH	lch(17.62, 67.57, 302.59°)
OKLab	oklab(30.53% -0.0032 -0.165)
OKLCH	oklch(30.53% 0.165 268.9)
XYZ	xyz(4.5329, 2.4352, 20.6490)
Luminance	0.0244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A80 #807913

analogous

#135180 #131A80 #431380

triadic

#131A80 #80131A #1A8013

tetradic

#131A80 #801351 #807913 #138043

square

#131A80 #801351 #807913 #138043

split-complementary

#131A80 #804313 #518013

monochromatic

#04051B #0B0F4B #131A80 #1B25B5 #2D39E0

Accessibility & contrast

On white

14.12

#131A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#131A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A80

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A80	#FFFFFF	#000000	##FFFFFF
##131A80	1.00	14.12	1.49	14.12
#FFFFFF	14.12	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003183

Deuteranopia (green-blind)

#00267E

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #131a80;
/* rgb */ color: rgb(19, 26, 128);
/* oklch */ color: oklch(30.5% 0.165 268.9);

Tailwind

colors: {
  custom: {
    50: '#6858a6',
    500: '#131a80',
    950: '#000000',
  },
}

SCSS

$custom: #131a80;
$custom-light: #6858a6;
$custom-dark: #000000;

JSON

{
  "hex": "#131a80",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 128
  },
  "hsl": {
    "h": 236.147,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30526,
    "c": 0.16499,
    "h": 268.9
  },
  "luminance": 0.02436
}

Semantic roles & 50–950 ramp

primary

#131A80

secondary

#B5AD39

accent

#E537F1

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #131A80

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

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