#181C62#181C62

#181C62 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.7% C 0.121 H 272.9°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#181C62
RGB	rgb(24, 28, 98)
HSL	hsl(237, 61%, 24%)
HSV	hsv(237, 76%, 38%)
CMYK	cmyk(75.5%, 71.4%, 0%, 61.6%)
CIE-LAB	lab(14.99, 24.38, -41.83)
CIE-LCH	lch(14.99, 48.41, 300.23°)
OKLab	oklab(27.71% 0.006 -0.1209)
OKLCH	oklch(27.71% 0.121 272.9)
XYZ	xyz(2.9958, 1.9062, 11.7630)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181C62 #625E18

analogous

#184162 #181C62 #391862

triadic

#181C62 #62181C #1C6218

tetradic

#181C62 #621841 #625E18 #186239

square

#181C62 #621841 #625E18 #186239

split-complementary

#181C62 #623918 #416218

monochromatic

#060719 #0C0E31 #181C62 #242A93 #3038C4

Accessibility & contrast

On white

15.20

#181C62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#181C62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181C62

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181C62	#FFFFFF	#000000	##FFFFFF
##181C62	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002964

Deuteranopia (green-blind)

#002261

Tritanopia (blue-blind)

#002F3C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181c62;
/* rgb */ color: rgb(24, 28, 98);
/* oklch */ color: oklch(27.7% 0.121 272.9);

Tailwind

colors: {
  custom: {
    50: '#61588f',
    500: '#181c62',
    950: '#000000',
  },
}

SCSS

$custom: #181c62;
$custom-light: #61588f;
$custom-dark: #000000;

JSON

{
  "hex": "#181c62",
  "rgb": {
    "r": 24,
    "g": 28,
    "b": 98
  },
  "hsl": {
    "h": 236.757,
    "s": 60.656,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27713,
    "c": 0.12104,
    "h": 272.9
  },
  "luminance": 0.01907
}

Semantic roles & 50–950 ramp

primary

#181C62

secondary

#98933E

accent

#DB44E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #181C62

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

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