#131F61#131F61

#131F61 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.9% C 0.117 H 269.1°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#131F61
RGB	rgb(19, 31, 97)
HSL	hsl(231, 67%, 23%)
HSV	hsv(231, 80%, 38%)
CMYK	cmyk(80.4%, 68%, 0%, 62%)
CIE-LAB	lab(15.39, 21.22, -40.52)
CIE-LCH	lch(15.39, 45.74, 297.64°)
OKLab	oklab(27.89% -0.0018 -0.1172)
OKLCH	oklch(27.89% 0.117 269.1)
XYZ	xyz(2.9155, 1.9812, 11.5357)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F61 #615513

analogous

#134661 #131F61 #2E1361

triadic

#131F61 #61131F #1F6113

tetradic

#131F61 #611346 #615513 #13612E

square

#131F61 #611346 #615513 #13612E

split-complementary

#131F61 #612E13 #466113

monochromatic

#05081A #090F2E #131F61 #1D2F94 #2740C7

Accessibility & contrast

On white

15.04

#131F61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#131F61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F61

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F61	#FFFFFF	#000000	##FFFFFF
##131F61	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A63

Deuteranopia (green-blind)

#002360

Tritanopia (blue-blind)

#00303C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #131f61;
/* rgb */ color: rgb(19, 31, 97);
/* oklch */ color: oklch(27.9% 0.117 269.1);

Tailwind

colors: {
  custom: {
    50: '#5f5a8f',
    500: '#131f61',
    950: '#000000',
  },
}

SCSS

$custom: #131f61;
$custom-light: #5f5a8f;
$custom-dark: #000000;

JSON

{
  "hex": "#131f61",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 97
  },
  "hsl": {
    "h": 230.769,
    "s": 67.241,
    "l": 22.745
  },
  "oklch": {
    "l": 0.27894,
    "c": 0.11718,
    "h": 269.1
  },
  "luminance": 0.01981
}

Semantic roles & 50–950 ramp

primary

#131F61

secondary

#998A37

accent

#D03EEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131F61

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

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