#181E9D#181E9D

#181E9D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.196 H 268.7°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#181E9D
RGB	rgb(24, 30, 157)
HSL	hsl(237, 73%, 35%)
HSV	hsv(237, 85%, 62%)
CMYK	cmyk(84.7%, 80.9%, 0%, 38.4%)
CIE-LAB	lab(22.15, 44.41, -67.50)
CIE-LCH	lch(22.15, 80.79, 303.34°)
OKLab	oklab(34.79% -0.0044 -0.1955)
OKLCH	oklch(34.79% 0.196 268.7)
XYZ	xyz(6.9247, 3.5562, 32.2132)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E9D #9D9718

analogous

#18619D #181E9D #54189D

triadic

#181E9D #9D181E #1E9D18

tetradic

#181E9D #9D1861 #9D9718 #189D54

square

#181E9D #9D1861 #9D9718 #189D54

split-complementary

#181E9D #9D5418 #619D18

monochromatic

#080A33 #101468 #181E9D #2028D2 #4C53E4

Accessibility & contrast

On white

12.27

#181E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#181E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E9D

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E9D	#FFFFFF	#000000	##FFFFFF
##181E9D	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA1

Deuteranopia (green-blind)

#002E9B

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #181e9d;
/* rgb */ color: rgb(24, 30, 157);
/* oklch */ color: oklch(34.8% 0.196 268.7);

Tailwind

colors: {
  custom: {
    50: '#725dbb',
    500: '#181e9d',
    950: '#000000',
  },
}

SCSS

$custom: #181e9d;
$custom-light: #725dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#181e9d",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 157
  },
  "hsl": {
    "h": 237.293,
    "s": 73.481,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34789,
    "c": 0.19558,
    "h": 268.7
  },
  "luminance": 0.03557
}

Semantic roles & 50–950 ramp

primary

#181E9D

secondary

#C5C04B

accent

#E838F0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #181E9D

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

Preview Lab → · Contrast checker → · Palette generator →