#181A26#181A26

#181A26 is a very dark, muted blue. Relative luminance 0.011; OKLCH L 22.2% C 0.024 H 276.9°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#181A26
RGB	rgb(24, 26, 38)
HSL	hsl(231, 23%, 12%)
HSV	hsv(231, 37%, 15%)
CMYK	cmyk(36.8%, 31.6%, 0%, 85.1%)
CIE-LAB	lab(9.58, 2.68, -8.51)
CIE-LCH	lch(9.58, 8.92, 287.46°)
OKLab	oklab(22.15% 0.0029 -0.0235)
OKLCH	oklch(22.15% 0.024 276.9)
XYZ	xyz(1.0958, 1.0729, 1.9827)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A26 #262418

analogous

#182126 #181A26 #1D1826

triadic

#181A26 #26181A #1A2618

tetradic

#181A26 #261821 #262418 #18261D

square

#181A26 #261821 #262418 #18261D

split-complementary

#181A26 #261D18 #212618

monochromatic

#0C0D13 #0C0D13 #181A26 #30344C #474D71

Accessibility & contrast

On white

17.29

#181A26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#181A26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A26

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A26	#FFFFFF	#000000	##FFFFFF
##181A26	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171B27

Deuteranopia (green-blind)

#161A26

Tritanopia (blue-blind)

#141C1E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #181a26;
/* rgb */ color: rgb(24, 26, 38);
/* oklch */ color: oklch(22.2% 0.024 276.9);

Tailwind

colors: {
  custom: {
    50: '#555660',
    500: '#181a26',
    950: '#000000',
  },
}

SCSS

$custom: #181a26;
$custom-light: #555660;
$custom-dark: #000000;

JSON

{
  "hex": "#181a26",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 38
  },
  "hsl": {
    "h": 231.429,
    "s": 22.581,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22153,
    "c": 0.02365,
    "h": 276.9
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#181A26

secondary

#595641

accent

#B369BF

background

#F4F5F5

surface

#E8E9E9

border

#C4C5C5

text

#030304

muted

#787879

Preview Lab

Preview with #181A26

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

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