#131381#131381

#131381 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.172 H 269.4°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#131381
RGB	rgb(19, 19, 129)
HSL	hsl(240, 74%, 29%)
HSV	hsv(240, 85%, 51%)
CMYK	cmyk(85.3%, 85.3%, 0%, 49.4%)
CIE-LAB	lab(16.45, 40.52, -59.52)
CIE-LCH	lch(16.45, 72.00, 304.24°)
OKLab	oklab(29.74% -0.0018 -0.1723)
OKLCH	oklch(29.74% 0.172 269.4)
XYZ	xyz(4.4625, 2.1886, 20.9519)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131381 #818113

analogous

#134A81 #131381 #4A1381

triadic

#131381 #811313 #138113

tetradic

#131381 #81134A #818113 #13814A

square

#131381 #81134A #818113 #13814A

split-complementary

#131381 #814A13 #4A8113

monochromatic

#04041B #0B0B4C #131381 #1B1BB6 #2E2EE0

Accessibility & contrast

On white

14.61

#131381 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#131381 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131381

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131381	#FFFFFF	#000000	##FFFFFF
##131381	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E84

Deuteranopia (green-blind)

#00237F

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #131381;
/* rgb */ color: rgb(19, 19, 129);
/* oklch */ color: oklch(29.7% 0.172 269.4);

Tailwind

colors: {
  custom: {
    50: '#6954a7',
    500: '#131381',
    950: '#000000',
  },
}

SCSS

$custom: #131381;
$custom-light: #6954a7;
$custom-dark: #000000;

JSON

{
  "hex": "#131381",
  "rgb": {
    "r": 19,
    "g": 19,
    "b": 129
  },
  "hsl": {
    "h": 240,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.2974,
    "c": 0.17233,
    "h": 269.4
  },
  "luminance": 0.02189
}

Semantic roles & 50–950 ramp

primary

#131381

secondary

#B6B63A

accent

#F137F1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #131381

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

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