#181E49#181E49

#181E49 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.080 H 273.5°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#181E49
RGB	rgb(24, 30, 73)
HSL	hsl(233, 51%, 19%)
HSV	hsv(233, 67%, 29%)
CMYK	cmyk(67.1%, 58.9%, 0%, 71.4%)
CIE-LAB	lab(13.25, 12.94, -27.75)
CIE-LCH	lch(13.25, 30.61, 295.00°)
OKLab	oklab(25.72% 0.0048 -0.0795)
OKLCH	oklch(25.72% 0.08 273.5)
XYZ	xyz(2.0432, 1.6036, 6.5039)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E49 #494318

analogous

#183749 #181E49 #2B1849

triadic

#181E49 #49181E #1E4918

tetradic

#181E49 #491837 #494318 #18492B

square

#181E49 #491837 #494318 #18492B

split-complementary

#181E49 #492B18 #374918

monochromatic

#080917 #090B1B #181E49 #273177 #3644A5

Accessibility & contrast

On white

15.90

#181E49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#181E49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E49

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E49	#FFFFFF	#000000	##FFFFFF
##181E49	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05244B

Deuteranopia (green-blind)

#002048

Tritanopia (blue-blind)

#002830

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #181e49;
/* rgb */ color: rgb(24, 30, 73);
/* oklch */ color: oklch(25.7% 0.080 273.5);

Tailwind

colors: {
  custom: {
    50: '#5b597c',
    500: '#181e49',
    950: '#000000',
  },
}

SCSS

$custom: #181e49;
$custom-light: #5b597c;
$custom-dark: #000000;

JSON

{
  "hex": "#181e49",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 73
  },
  "hsl": {
    "h": 232.653,
    "s": 50.515,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25716,
    "c": 0.07968,
    "h": 273.5
  },
  "luminance": 0.01604
}

Semantic roles & 50–950 ramp

primary

#181E49

secondary

#80783D

accent

#C94EDA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #181E49

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

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