#131F72#131F72

#131F72 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.141 H 268.7°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#131F72
RGB	rgb(19, 31, 114)
HSL	hsl(232, 71%, 26%)
HSV	hsv(232, 83%, 45%)
CMYK	cmyk(83.3%, 72.8%, 0%, 55.3%)
CIE-LAB	lab(17.15, 28.02, -48.76)
CIE-LCH	lch(17.15, 56.24, 299.89°)
OKLab	oklab(29.71% -0.0031 -0.1412)
OKLCH	oklch(29.71% 0.141 268.7)
XYZ	xyz(3.7948, 2.3329, 16.1666)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131F72 #726613

analogous

#134E72 #131F72 #361372

triadic

#131F72 #72131F #1F7213

tetradic

#131F72 #72134E #726613 #137236

square

#131F72 #72134E #726613 #137236

split-complementary

#131F72 #723613 #4E7213

monochromatic

#04071A #0A113E #131F72 #1C2DA6 #253CDB

Accessibility & contrast

On white

14.32

#131F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#131F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F72

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131F72	#FFFFFF	#000000	##FFFFFF
##131F72	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F75

Deuteranopia (green-blind)

#002670

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #131f72;
/* rgb */ color: rgb(19, 31, 114);
/* oklch */ color: oklch(29.7% 0.141 268.7);

Tailwind

colors: {
  custom: {
    50: '#645b9b',
    500: '#131f72',
    950: '#000000',
  },
}

SCSS

$custom: #131f72;
$custom-light: #645b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#131f72",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 114
  },
  "hsl": {
    "h": 232.421,
    "s": 71.429,
    "l": 26.078
  },
  "oklch": {
    "l": 0.2971,
    "c": 0.14126,
    "h": 268.7
  },
  "luminance": 0.02333
}

Semantic roles & 50–950 ramp

primary

#131F72

secondary

#A99A38

accent

#D73AEE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #131F72

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

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