#181E47#181E47

#181E47 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.5% C 0.076 H 273.5°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#181E47
RGB	rgb(24, 30, 71)
HSL	hsl(232, 49%, 19%)
HSV	hsv(232, 66%, 28%)
CMYK	cmyk(66.2%, 57.7%, 0%, 72.2%)
CIE-LAB	lab(13.09, 12.13, -26.62)
CIE-LCH	lch(13.09, 29.25, 294.50°)
OKLab	oklab(25.55% 0.0046 -0.0762)
OKLCH	oklch(25.55% 0.076 273.5)
XYZ	xyz(1.9779, 1.5775, 6.1603)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E47 #474118

analogous

#183547 #181E47 #291847

triadic

#181E47 #47181E #1E4718

tetradic

#181E47 #471835 #474118 #184729

square

#181E47 #471835 #474118 #184729

split-complementary

#181E47 #472918 #354718

monochromatic

#080A17 #090B19 #181E47 #273175 #3745A2

Accessibility & contrast

On white

15.96

#181E47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#181E47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E47

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E47	#FFFFFF	#000000	##FFFFFF
##181E47	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072448

Deuteranopia (green-blind)

#012046

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #181e47;
/* rgb */ color: rgb(24, 30, 71);
/* oklch */ color: oklch(25.5% 0.076 273.5);

Tailwind

colors: {
  custom: {
    50: '#5a597a',
    500: '#181e47',
    950: '#000000',
  },
}

SCSS

$custom: #181e47;
$custom-light: #5a597a;
$custom-dark: #000000;

JSON

{
  "hex": "#181e47",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 71
  },
  "hsl": {
    "h": 232.34,
    "s": 49.474,
    "l": 18.627
  },
  "oklch": {
    "l": 0.25545,
    "c": 0.07635,
    "h": 273.5
  },
  "luminance": 0.01578
}

Semantic roles & 50–950 ramp

primary

#181E47

secondary

#7E753D

accent

#C74FD9

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #181E47

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

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