#181E2E#181E2E

#181E2E is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.7% C 0.032 H 268.1°. Best body text is #FFFFFF at 16.61:1 contrast (WCAG AA passes).

Color values

HEX	#181E2E
RGB	rgb(24, 30, 46)
HSL	hsl(224, 31%, 14%)
HSV	hsv(224, 48%, 18%)
CMYK	cmyk(47.8%, 34.8%, 0%, 82%)
CIE-LAB	lab(11.41, 2.44, -11.55)
CIE-LCH	lch(11.41, 11.80, 281.95°)
OKLab	oklab(23.72% -0.001 -0.0322)
OKLCH	oklch(23.72% 0.032 268.1)
XYZ	xyz(1.3340, 1.3199, 2.7687)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E2E #2E2818

analogous

#18292E #181E2E #1D182E

triadic

#181E2E #2E181E #1E2E18

tetradic

#181E2E #2E1829 #2E2818 #182E1D

square

#181E2E #2E1829 #2E2818 #182E1D

split-complementary

#181E2E #2E1D18 #292E18

monochromatic

#0A0D14 #0A0D14 #181E2E #2D3856 #42527E

Accessibility & contrast

On white

16.61

#181E2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#181E2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E2E

16.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E2E	#FFFFFF	#000000	##FFFFFF
##181E2E	1.00	16.61	1.26	16.61
#FFFFFF	16.61	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191F2F

Deuteranopia (green-blind)

#171D2E

Tritanopia (blue-blind)

#112124

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #181e2e;
/* rgb */ color: rgb(24, 30, 46);
/* oklch */ color: oklch(23.7% 0.032 268.1);

Tailwind

colors: {
  custom: {
    50: '#565966',
    500: '#181e2e',
    950: '#000000',
  },
}

SCSS

$custom: #181e2e;
$custom-light: #565966;
$custom-dark: #000000;

JSON

{
  "hex": "#181e2e",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 46
  },
  "hsl": {
    "h": 223.636,
    "s": 31.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.23716,
    "c": 0.03221,
    "h": 268.1
  },
  "luminance": 0.0132
}

Semantic roles & 50–950 ramp

primary

#181E2E

secondary

#63593F

accent

#AB60C8

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #181E2E

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

Preview Lab → · Contrast checker → · Palette generator →