#181C76#181C76

#181C76 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.149 H 271.2°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#181C76
RGB	rgb(24, 28, 118)
HSL	hsl(237, 66%, 28%)
HSV	hsv(237, 80%, 46%)
CMYK	cmyk(79.7%, 76.3%, 0%, 53.7%)
CIE-LAB	lab(17.14, 31.94, -51.33)
CIE-LCH	lch(17.14, 60.46, 301.89°)
OKLab	oklab(29.91% 0.0032 -0.1486)
OKLCH	oklch(29.91% 0.149 271.2)
XYZ	xyz(4.0608, 2.3323, 17.3722)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181C76 #767218

analogous

#184B76 #181C76 #431876

triadic

#181C76 #76181C #1C7618

tetradic

#181C76 #76184B #767218 #187643

square

#181C76 #76184B #767218 #187643

split-complementary

#181C76 #764318 #4B7618

monochromatic

#050619 #0E1043 #181C76 #2228A9 #333AD5

Accessibility & contrast

On white

14.32

#181C76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#181C76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181C76

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181C76	#FFFFFF	#000000	##FFFFFF
##181C76	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)

#002F79

Deuteranopia (green-blind)

#002674

Tritanopia (blue-blind)

#003647

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #181c76;
/* rgb */ color: rgb(24, 28, 118);
/* oklch */ color: oklch(29.9% 0.149 271.2);

Tailwind

colors: {
  custom: {
    50: '#67599f',
    500: '#181c76',
    950: '#000000',
  },
}

SCSS

$custom: #181c76;
$custom-light: #67599f;
$custom-dark: #000000;

JSON

{
  "hex": "#181c76",
  "rgb": {
    "r": 24,
    "g": 28,
    "b": 118
  },
  "hsl": {
    "h": 237.447,
    "s": 66.197,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29912,
    "c": 0.14865,
    "h": 271.2
  },
  "luminance": 0.02333
}

Semantic roles & 50–950 ramp

primary

#181C76

secondary

#ABA63F

accent

#E23FE9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #181C76

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

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