#181F76#181F76

#181F76 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.4% C 0.145 H 270.7°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#181F76
RGB	rgb(24, 31, 118)
HSL	hsl(236, 66%, 28%)
HSV	hsv(236, 80%, 46%)
CMYK	cmyk(79.7%, 73.7%, 0%, 53.7%)
CIE-LAB	lab(17.84, 30.02, -50.19)
CIE-LCH	lch(17.84, 58.48, 300.88°)
OKLab	oklab(30.41% 0.0017 -0.1453)
OKLCH	oklch(30.41% 0.145 270.7)
XYZ	xyz(4.1356, 2.4817, 17.3971)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181F76 #766F18

analogous

#184E76 #181F76 #401876

triadic

#181F76 #76181F #1F7618

tetradic

#181F76 #76184E #766F18 #187640

square

#181F76 #76184E #766F18 #187640

split-complementary

#181F76 #764018 #4E7618

monochromatic

#050719 #0E1243 #181F76 #222CA9 #333FD5

Accessibility & contrast

On white

14.03

#181F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#181F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181F76

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181F76	#FFFFFF	#000000	##FFFFFF
##181F76	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002774

Tritanopia (blue-blind)

#003748

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #181f76;
/* rgb */ color: rgb(24, 31, 118);
/* oklch */ color: oklch(30.4% 0.145 270.7);

Tailwind

colors: {
  custom: {
    50: '#675b9e',
    500: '#181f76',
    950: '#000000',
  },
}

SCSS

$custom: #181f76;
$custom-light: #675b9e;
$custom-dark: #000000;

JSON

{
  "hex": "#181f76",
  "rgb": {
    "r": 24,
    "g": 31,
    "b": 118
  },
  "hsl": {
    "h": 235.532,
    "s": 66.197,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30408,
    "c": 0.14531,
    "h": 270.7
  },
  "luminance": 0.02482
}

Semantic roles & 50–950 ramp

primary

#181F76

secondary

#ABA33F

accent

#DC3FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #181F76

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

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