#12182A#12182A

#12182A is a very dark, muted blue. Relative luminance 0.009; OKLCH L 21.3% C 0.037 H 269.1°. Best body text is #FFFFFF at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#12182A
RGB	rgb(18, 24, 42)
HSL	hsl(225, 40%, 12%)
HSV	hsv(225, 57%, 16%)
CMYK	cmyk(57.1%, 42.9%, 0%, 83.5%)
CIE-LAB	lab(8.56, 3.48, -13.11)
CIE-LCH	lch(8.56, 13.56, 284.87°)
OKLab	oklab(21.29% -0.0006 -0.0369)
OKLCH	oklch(21.29% 0.037 269.1)
XYZ	xyz(0.9939, 0.9490, 2.3208)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12182A #2A2412

analogous

#12242A #12182A #18122A

triadic

#12182A #2A1218 #182A12

tetradic

#12182A #2A1224 #2A2412 #122A18

square

#12182A #2A1224 #2A2412 #122A18

split-complementary

#12182A #2A1812 #242A12

monochromatic

#090C15 #090C15 #12182A #243055 #374980

Accessibility & contrast

On white

17.65

#12182A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#12182A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12182A

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12182A	#FFFFFF	#000000	##FFFFFF
##12182A	1.00	17.65	1.19	17.65
#FFFFFF	17.65	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111A2B

Deuteranopia (green-blind)

#0F182A

Tritanopia (blue-blind)

#091C1F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #12182a;
/* rgb */ color: rgb(18, 24, 42);
/* oklch */ color: oklch(21.3% 0.037 269.1);

Tailwind

colors: {
  custom: {
    50: '#515463',
    500: '#12182a',
    950: '#000000',
  },
}

SCSS

$custom: #12182a;
$custom-light: #515463;
$custom-dark: #000000;

JSON

{
  "hex": "#12182a",
  "rgb": {
    "r": 18,
    "g": 24,
    "b": 42
  },
  "hsl": {
    "h": 225,
    "s": 40,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21293,
    "c": 0.03686,
    "h": 269.1
  },
  "luminance": 0.00949
}

Semantic roles & 50–950 ramp

primary

#12182A

secondary

#615737

accent

#B258D0

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#020205

muted

#787879

Preview Lab

Preview with #12182A

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

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