#181D62#181D62

#181D62 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.9% C 0.120 H 272.5°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#181D62
RGB	rgb(24, 29, 98)
HSL	hsl(236, 61%, 24%)
HSV	hsv(236, 76%, 38%)
CMYK	cmyk(75.5%, 70.4%, 0%, 61.6%)
CIE-LAB	lab(15.25, 23.68, -41.40)
CIE-LCH	lch(15.25, 47.70, 299.77°)
OKLab	oklab(27.9% 0.0053 -0.1196)
OKLCH	oklch(27.9% 0.12 272.5)
XYZ	xyz(3.0199, 1.9545, 11.7710)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181D62 #625D18

analogous

#184262 #181D62 #381862

triadic

#181D62 #62181D #1D6218

tetradic

#181D62 #621842 #625D18 #186238

square

#181D62 #621842 #625D18 #186238

split-complementary

#181D62 #623818 #426218

monochromatic

#060719 #0C0E31 #181D62 #242C93 #303AC4

Accessibility & contrast

On white

15.10

#181D62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#181D62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181D62

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181D62	#FFFFFF	#000000	##FFFFFF
##181D62	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A64

Deuteranopia (green-blind)

#002361

Tritanopia (blue-blind)

#002F3C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181d62;
/* rgb */ color: rgb(24, 29, 98);
/* oklch */ color: oklch(27.9% 0.120 272.5);

Tailwind

colors: {
  custom: {
    50: '#61598f',
    500: '#181d62',
    950: '#000000',
  },
}

SCSS

$custom: #181d62;
$custom-light: #61598f;
$custom-dark: #000000;

JSON

{
  "hex": "#181d62",
  "rgb": {
    "r": 24,
    "g": 29,
    "b": 98
  },
  "hsl": {
    "h": 235.946,
    "s": 60.656,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27901,
    "c": 0.11976,
    "h": 272.5
  },
  "luminance": 0.01955
}

Semantic roles & 50–950 ramp

primary

#181D62

secondary

#98923E

accent

#D944E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #181D62

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

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