#181925#181925

#181925 is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.8% C 0.024 H 280.6°. Best body text is #FFFFFF at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#181925
RGB	rgb(24, 25, 37)
HSL	hsl(235, 21%, 12%)
HSV	hsv(235, 35%, 15%)
CMYK	cmyk(35.1%, 32.4%, 0%, 85.5%)
CIE-LAB	lab(9.18, 3.11, -8.38)
CIE-LCH	lch(9.18, 8.94, 290.33°)
OKLab	oklab(21.82% 0.0043 -0.0231)
OKLCH	oklch(21.82% 0.024 280.6)
XYZ	xyz(1.0582, 1.0230, 1.8916)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181925 #252418

analogous

#182025 #181925 #1E1825

triadic

#181925 #251819 #192518

tetradic

#181925 #251820 #252418 #18251E

square

#181925 #251820 #252418 #18251E

split-complementary

#181925 #251E18 #202518

monochromatic

#0C0D13 #0C0D13 #181925 #30324A #484B6F

Accessibility & contrast

On white

17.43

#181925 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#181925 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181925

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181925	#FFFFFF	#000000	##FFFFFF
##181925	1.00	17.43	1.20	17.43
#FFFFFF	17.43	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161A26

Deuteranopia (green-blind)

#151925

Tritanopia (blue-blind)

#151B1D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #181925;
/* rgb */ color: rgb(24, 25, 37);
/* oklch */ color: oklch(21.8% 0.024 280.6);

Tailwind

colors: {
  custom: {
    50: '#55555f',
    500: '#181925',
    950: '#000000',
  },
}

SCSS

$custom: #181925;
$custom-light: #55555f;
$custom-dark: #000000;

JSON

{
  "hex": "#181925",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 37
  },
  "hsl": {
    "h": 235.385,
    "s": 21.311,
    "l": 11.961
  },
  "oklch": {
    "l": 0.21823,
    "c": 0.02353,
    "h": 280.6
  },
  "luminance": 0.01023
}

Semantic roles & 50–950 ramp

primary

#181925

secondary

#585641

accent

#B76ABE

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#030304

muted

#787879

Preview Lab

Preview with #181925

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

Preview Lab → · Contrast checker → · Palette generator →