#131F90#131F90

#131F90 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.180 H 267.8°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#131F90
RGB	rgb(19, 31, 144)
HSL	hsl(234, 77%, 32%)
HSV	hsv(234, 87%, 56%)
CMYK	cmyk(86.8%, 78.5%, 0%, 43.5%)
CIE-LAB	lab(20.56, 39.15, -62.11)
CIE-LCH	lch(20.56, 73.42, 302.22°)
OKLab	oklab(33.16% -0.0071 -0.18)
OKLCH	oklch(33.16% 0.18 267.8)
XYZ	xyz(5.7908, 3.1313, 26.6793)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F90 #908413

analogous

#135E90 #131F90 #461390

triadic

#131F90 #90131F #1F9013

tetradic

#131F90 #90135E #908413 #139046

square

#131F90 #90135E #908413 #139046

split-complementary

#131F90 #904613 #5E9013

monochromatic

#050824 #0C135A #131F90 #1A2BC6 #3949E5

Accessibility & contrast

On white

12.91

#131F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#131F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F90

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F90	#FFFFFF	#000000	##FFFFFF
##131F90	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003893

Deuteranopia (green-blind)

#002B8E

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #131f90;
/* rgb */ color: rgb(19, 31, 144);
/* oklch */ color: oklch(33.2% 0.180 267.8);

Tailwind

colors: {
  custom: {
    50: '#6d5cb2',
    500: '#131f90',
    950: '#000000',
  },
}

SCSS

$custom: #131f90;
$custom-light: #6d5cb2;
$custom-dark: #000000;

JSON

{
  "hex": "#131f90",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 144
  },
  "hsl": {
    "h": 234.24,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33162,
    "c": 0.18017,
    "h": 267.8
  },
  "luminance": 0.03132
}

Semantic roles & 50–950 ramp

primary

#131F90

secondary

#C4B73B

accent

#E135F3

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080411

muted

#7B7980

Preview Lab

Preview with #131F90

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

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