#12152D#12152D

#12152D is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.7% C 0.048 H 276.1°. Best body text is #FFFFFF at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#12152D
RGB	rgb(18, 21, 45)
HSL	hsl(233, 43%, 12%)
HSV	hsv(233, 60%, 18%)
CMYK	cmyk(60%, 53.3%, 0%, 82.4%)
CIE-LAB	lab(7.72, 7.01, -16.66)
CIE-LCH	lch(7.72, 18.08, 292.81°)
OKLab	oklab(20.71% 0.005 -0.0473)
OKLCH	oklch(20.71% 0.048 276.1)
XYZ	xyz(0.9911, 0.8543, 2.5948)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12152D #2D2A12

analogous

#12232D #12152D #1C122D

triadic

#12152D #2D1215 #152D12

tetradic

#12152D #2D1223 #2D2A12 #122D1C

square

#12152D #2D1223 #2D2A12 #122D1C

split-complementary

#12152D #2D1C12 #232D12

monochromatic

#090A16 #090A16 #12152D #232959 #353E84

Accessibility & contrast

On white

17.94

#12152D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#12152D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12152D

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12152D	#FFFFFF	#000000	##FFFFFF
##12152D	1.00	17.94	1.17	17.94
#FFFFFF	17.94	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B182E

Deuteranopia (green-blind)

#09162C

Tritanopia (blue-blind)

#081A1E

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #12152d;
/* rgb */ color: rgb(18, 21, 45);
/* oklch */ color: oklch(20.7% 0.048 276.1);

Tailwind

colors: {
  custom: {
    50: '#525266',
    500: '#12152d',
    950: '#000000',
  },
}

SCSS

$custom: #12152d;
$custom-light: #525266;
$custom-dark: #000000;

JSON

{
  "hex": "#12152d",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 45
  },
  "hsl": {
    "h": 233.333,
    "s": 42.857,
    "l": 12.353
  },
  "oklch": {
    "l": 0.20708,
    "c": 0.04752,
    "h": 276.1
  },
  "luminance": 0.00854
}

Semantic roles & 50–950 ramp

primary

#12152D

secondary

#655F36

accent

#C555D3

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #12152D

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

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