#181E34#181E34

#181E34 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.1% C 0.043 H 271.3°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#181E34
RGB	rgb(24, 30, 52)
HSL	hsl(227, 37%, 15%)
HSV	hsv(227, 54%, 20%)
CMYK	cmyk(53.8%, 42.3%, 0%, 79.6%)
CIE-LAB	lab(11.76, 4.65, -15.34)
CIE-LCH	lch(11.76, 16.03, 286.87°)
OKLab	oklab(24.1% 0.001 -0.0431)
OKLCH	oklch(24.1% 0.043 271.3)
XYZ	xyz(1.4606, 1.3706, 3.4357)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E34 #342E18

analogous

#182C34 #181E34 #201834

triadic

#181E34 #34181E #1E3418

tetradic

#181E34 #34182C #342E18 #183420

square

#181E34 #34182C #342E18 #183420

split-complementary

#181E34 #342018 #2C3418

monochromatic

#0A0C15 #0A0C15 #181E34 #2B365E #3F4E88

Accessibility & contrast

On white

16.48

#181E34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#181E34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E34

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E34	#FFFFFF	#000000	##FFFFFF
##181E34	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162035

Deuteranopia (green-blind)

#131E34

Tritanopia (blue-blind)

#0E2326

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #181e34;
/* rgb */ color: rgb(24, 30, 52);
/* oklch */ color: oklch(24.1% 0.043 271.3);

Tailwind

colors: {
  custom: {
    50: '#56596b',
    500: '#181e34',
    950: '#000000',
  },
}

SCSS

$custom: #181e34;
$custom-light: #56596b;
$custom-dark: #000000;

JSON

{
  "hex": "#181e34",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 52
  },
  "hsl": {
    "h": 227.143,
    "s": 36.842,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24098,
    "c": 0.04316,
    "h": 271.3
  },
  "luminance": 0.01371
}

Semantic roles & 50–950 ramp

primary

#181E34

secondary

#6A603E

accent

#B45BCD

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #181E34

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

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