#181E45#181E45

#181E45 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.4% C 0.073 H 273.5°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#181E45
RGB	rgb(24, 30, 69)
HSL	hsl(232, 48%, 18%)
HSV	hsv(232, 65%, 27%)
CMYK	cmyk(65.2%, 56.5%, 0%, 72.9%)
CIE-LAB	lab(12.94, 11.32, -25.48)
CIE-LCH	lch(12.94, 27.88, 293.96°)
OKLab	oklab(25.38% 0.0044 -0.0729)
OKLCH	oklch(25.38% 0.073 273.5)
XYZ	xyz(1.9148, 1.5523, 5.8278)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E45 #453F18

analogous

#183445 #181E45 #281845

triadic

#181E45 #45181E #1E4518

tetradic

#181E45 #451834 #453F18 #184528

square

#181E45 #451834 #453F18 #184528

split-complementary

#181E45 #452818 #344518

monochromatic

#080A17 #080A18 #181E45 #283272 #3845A0

Accessibility & contrast

On white

16.03

#181E45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#181E45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E45

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E45	#FFFFFF	#000000	##FFFFFF
##181E45	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#092346

Deuteranopia (green-blind)

#032044

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #181e45;
/* rgb */ color: rgb(24, 30, 69);
/* oklch */ color: oklch(25.4% 0.073 273.5);

Tailwind

colors: {
  custom: {
    50: '#5a5979',
    500: '#181e45',
    950: '#000000',
  },
}

SCSS

$custom: #181e45;
$custom-light: #5a5979;
$custom-dark: #000000;

JSON

{
  "hex": "#181e45",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 69
  },
  "hsl": {
    "h": 232,
    "s": 48.387,
    "l": 18.235
  },
  "oklch": {
    "l": 0.25377,
    "c": 0.07301,
    "h": 273.5
  },
  "luminance": 0.01552
}

Semantic roles & 50–950 ramp

primary

#181E45

secondary

#7C733D

accent

#C650D8

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #181E45

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

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