#181E63#181E63

#181E63 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.2% C 0.120 H 272.1°. Best body text is #FFFFFF at 14.95:1 contrast (WCAG AA passes).

Color values

HEX	#181E63
RGB	rgb(24, 30, 99)
HSL	hsl(235, 61%, 24%)
HSV	hsv(235, 76%, 39%)
CMYK	cmyk(75.8%, 69.7%, 0%, 61.2%)
CIE-LAB	lab(15.61, 23.37, -41.47)
CIE-LCH	lch(15.61, 47.60, 299.41°)
OKLab	oklab(28.2% 0.0045 -0.1198)
OKLCH	oklch(28.2% 0.12 272.1)
XYZ	xyz(3.0923, 2.0233, 12.0295)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E63 #635D18

analogous

#184463 #181E63 #381863

triadic

#181E63 #63181E #1E6318

tetradic

#181E63 #631844 #635D18 #186338

square

#181E63 #631844 #635D18 #186338

split-complementary

#181E63 #633818 #446318

monochromatic

#060719 #0C0F32 #181E63 #242D94 #303CC6

Accessibility & contrast

On white

14.95

#181E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#181E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E63

14.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E63	#FFFFFF	#000000	##FFFFFF
##181E63	1.00	14.95	1.40	14.95
#FFFFFF	14.95	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A65

Deuteranopia (green-blind)

#002362

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181e63;
/* rgb */ color: rgb(24, 30, 99);
/* oklch */ color: oklch(28.2% 0.120 272.1);

Tailwind

colors: {
  custom: {
    50: '#615a90',
    500: '#181e63',
    950: '#000000',
  },
}

SCSS

$custom: #181e63;
$custom-light: #615a90;
$custom-dark: #000000;

JSON

{
  "hex": "#181e63",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 99
  },
  "hsl": {
    "h": 235.2,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.28196,
    "c": 0.11991,
    "h": 272.1
  },
  "luminance": 0.02024
}

Semantic roles & 50–950 ramp

primary

#181E63

secondary

#99923E

accent

#D744E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #181E63

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

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