#181A2E#181A2E

#181A2E is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.6% C 0.039 H 278.5°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#181A2E
RGB	rgb(24, 26, 46)
HSL	hsl(235, 31%, 14%)
HSV	hsv(235, 48%, 18%)
CMYK	cmyk(47.8%, 43.5%, 0%, 82%)
CIE-LAB	lab(10.03, 5.47, -13.70)
CIE-LCH	lch(10.03, 14.76, 291.76°)
OKLab	oklab(22.65% 0.0057 -0.0384)
OKLCH	oklch(22.65% 0.039 278.5)
XYZ	xyz(1.2391, 1.1302, 2.7371)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A2E #2E2C18

analogous

#18252E #181A2E #21182E

triadic

#181A2E #2E181A #1A2E18

tetradic

#181A2E #2E1825 #2E2C18 #182E21

square

#181A2E #2E1825 #2E2C18 #182E21

split-complementary

#181A2E #2E2118 #252E18

monochromatic

#0A0B14 #0A0B14 #181A2E #2D3156 #42477E

Accessibility & contrast

On white

17.13

#181A2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#181A2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A2E

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A2E	#FFFFFF	#000000	##FFFFFF
##181A2E	1.00	17.13	1.23	17.13
#FFFFFF	17.13	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131C2F

Deuteranopia (green-blind)

#121B2E

Tritanopia (blue-blind)

#111E21

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #181a2e;
/* rgb */ color: rgb(24, 26, 46);
/* oklch */ color: oklch(22.6% 0.039 278.5);

Tailwind

colors: {
  custom: {
    50: '#565666',
    500: '#181a2e',
    950: '#000000',
  },
}

SCSS

$custom: #181a2e;
$custom-light: #565666;
$custom-dark: #000000;

JSON

{
  "hex": "#181a2e",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 46
  },
  "hsl": {
    "h": 234.545,
    "s": 31.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.22646,
    "c": 0.03885,
    "h": 278.5
  },
  "luminance": 0.0113
}

Semantic roles & 50–950 ramp

primary

#181A2E

secondary

#635F3F

accent

#BE60C8

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #181A2E

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

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