#12152A#12152A

#12152A is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.5% C 0.042 H 275.9°. Best body text is #FFFFFF at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#12152A
RGB	rgb(18, 21, 42)
HSL	hsl(233, 40%, 12%)
HSV	hsv(233, 57%, 16%)
CMYK	cmyk(57.1%, 50%, 0%, 83.5%)
CIE-LAB	lab(7.52, 5.79, -14.75)
CIE-LCH	lch(7.52, 15.85, 291.43°)
OKLab	oklab(20.48% 0.0043 -0.0417)
OKLCH	oklch(20.48% 0.042 275.9)
XYZ	xyz(0.9354, 0.8320, 2.3014)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12152A #2A2712

analogous

#12212A #12152A #1B122A

triadic

#12152A #2A1215 #152A12

tetradic

#12152A #2A1221 #2A2712 #122A1B

square

#12152A #2A1221 #2A2712 #122A1B

split-complementary

#12152A #2A1B12 #212A12

monochromatic

#090B15 #090B15 #12152A #242A55 #374080

Accessibility & contrast

On white

18.00

#12152A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#12152A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12152A

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12152A	#FFFFFF	#000000	##FFFFFF
##12152A	1.00	18.00	1.17	18.00
#FFFFFF	18.00	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D182B

Deuteranopia (green-blind)

#0B162A

Tritanopia (blue-blind)

#09191D

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #12152a;
/* rgb */ color: rgb(18, 21, 42);
/* oklch */ color: oklch(20.5% 0.042 275.9);

Tailwind

colors: {
  custom: {
    50: '#515263',
    500: '#12152a',
    950: '#000000',
  },
}

SCSS

$custom: #12152a;
$custom-light: #515263;
$custom-dark: #000000;

JSON

{
  "hex": "#12152a",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 42
  },
  "hsl": {
    "h": 232.5,
    "s": 40,
    "l": 11.765
  },
  "oklch": {
    "l": 0.20482,
    "c": 0.04193,
    "h": 275.9
  },
  "luminance": 0.00832
}

Semantic roles & 50–950 ramp

primary

#12152A

secondary

#615C37

accent

#C158D0

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#020205

muted

#787879

Preview Lab

Preview with #12152A

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

Preview Lab → · Contrast checker → · Palette generator →