#131D56#131D56

#131D56 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.103 H 270.0°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#131D56
RGB	rgb(19, 29, 86)
HSL	hsl(231, 64%, 21%)
HSV	hsv(231, 78%, 34%)
CMYK	cmyk(77.9%, 66.3%, 0%, 66.3%)
CIE-LAB	lab(13.76, 18.14, -35.82)
CIE-LCH	lch(13.76, 40.15, 296.87°)
OKLab	oklab(26.37% 0.0001 -0.1034)
OKLCH	oklch(26.37% 0.103 270)
XYZ	xyz(2.3871, 1.6888, 9.0025)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D56 #564C13

analogous

#133E56 #131D56 #2A1356

triadic

#131D56 #56131D #1D5613

tetradic

#131D56 #56133E #564C13 #13562A

square

#131D56 #56133E #564C13 #13562A

split-complementary

#131D56 #562A13 #3E5613

monochromatic

#060819 #080C24 #131D56 #1E2E88 #293FBA

Accessibility & contrast

On white

15.70

#131D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#131D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D56

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D56	#FFFFFF	#000000	##FFFFFF
##131D56	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002658

Deuteranopia (green-blind)

#002055

Tritanopia (blue-blind)

#002B36

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #131d56;
/* rgb */ color: rgb(19, 29, 86);
/* oklch */ color: oklch(26.4% 0.103 270.0);

Tailwind

colors: {
  custom: {
    50: '#5c5886',
    500: '#131d56',
    950: '#000000',
  },
}

SCSS

$custom: #131d56;
$custom-light: #5c5886;
$custom-dark: #000000;

JSON

{
  "hex": "#131d56",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 86
  },
  "hsl": {
    "h": 231.045,
    "s": 63.81,
    "l": 20.588
  },
  "oklch": {
    "l": 0.26365,
    "c": 0.1034,
    "h": 270
  },
  "luminance": 0.01689
}

Semantic roles & 50–950 ramp

primary

#131D56

secondary

#8E8136

accent

#CE41E7

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #131D56

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

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