#12182C#12182C

#12182C is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.4% C 0.041 H 270.1°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#12182C
RGB	rgb(18, 24, 44)
HSL	hsl(226, 42%, 12%)
HSV	hsv(226, 59%, 17%)
CMYK	cmyk(59.1%, 45.5%, 0%, 82.7%)
CIE-LAB	lab(8.69, 4.27, -14.39)
CIE-LCH	lch(8.69, 15.01, 286.51°)
OKLab	oklab(21.43% 0.0001 -0.0406)
OKLCH	oklch(21.43% 0.041 270.1)
XYZ	xyz(1.0306, 0.9637, 2.5141)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12182C #2C2612

analogous

#12252C #12182C #19122C

triadic

#12182C #2C1218 #182C12

tetradic

#12182C #2C1225 #2C2612 #122C19

square

#12182C #2C1225 #2C2612 #122C19

split-complementary

#12182C #2C1912 #252C12

monochromatic

#090C16 #090C16 #12182C #243057 #364783

Accessibility & contrast

On white

17.61

#12182C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#12182C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12182C

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12182C	#FFFFFF	#000000	##FFFFFF
##12182C	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#101A2D

Deuteranopia (green-blind)

#0E182C

Tritanopia (blue-blind)

#081C1F

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #12182c;
/* rgb */ color: rgb(18, 24, 44);
/* oklch */ color: oklch(21.4% 0.041 270.1);

Tailwind

colors: {
  custom: {
    50: '#515465',
    500: '#12182c',
    950: '#000000',
  },
}

SCSS

$custom: #12182c;
$custom-light: #515465;
$custom-dark: #000000;

JSON

{
  "hex": "#12182c",
  "rgb": {
    "r": 18,
    "g": 24,
    "b": 44
  },
  "hsl": {
    "h": 226.154,
    "s": 41.935,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21431,
    "c": 0.04058,
    "h": 270.1
  },
  "luminance": 0.00964
}

Semantic roles & 50–950 ramp

primary

#12182C

secondary

#635936

accent

#B556D2

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020205

muted

#78787A

Preview Lab

Preview with #12182C

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

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