#12151D#12151D

#12151D is a very dark, near-neutral blue. Relative luminance 0.008; OKLCH L 19.6% C 0.017 H 268.8°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#12151D
RGB	rgb(18, 21, 29)
HSL	hsl(224, 23%, 9%)
HSV	hsv(224, 38%, 11%)
CMYK	cmyk(37.9%, 27.6%, 0%, 88.6%)
CIE-LAB	lab(6.81, 0.94, -6.02)
CIE-LCH	lch(6.81, 6.09, 278.91°)
OKLab	oklab(19.64% -0.0004 -0.0168)
OKLCH	oklch(19.64% 0.017 268.8)
XYZ	xyz(0.7393, 0.7536, 1.2687)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12151D #1D1A12

analogous

#121B1D #12151D #15121D

triadic

#12151D #1D1215 #151D12

tetradic

#12151D #1D121B #1D1A12 #121D15

square

#12151D #1D121B #1D1A12 #121D15

split-complementary

#12151D #1D1512 #1B1D12

monochromatic

#0C0E13 #0C0E13 #12151D #293043 #414C69

Accessibility & contrast

On white

18.25

#12151D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#12151D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12151D

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12151D	#FFFFFF	#000000	##FFFFFF
##12151D	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13161D

Deuteranopia (green-blind)

#12151D

Tritanopia (blue-blind)

#0F1718

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #12151d;
/* rgb */ color: rgb(18, 21, 29);
/* oklch */ color: oklch(19.6% 0.017 268.8);

Tailwind

colors: {
  custom: {
    50: '#505258',
    500: '#12151d',
    950: '#000000',
  },
}

SCSS

$custom: #12151d;
$custom-light: #505258;
$custom-dark: #000000;

JSON

{
  "hex": "#12151d",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 29
  },
  "hsl": {
    "h": 223.636,
    "s": 23.404,
    "l": 9.216
  },
  "oklch": {
    "l": 0.1964,
    "c": 0.01684,
    "h": 268.8
  },
  "luminance": 0.00754
}

Semantic roles & 50–950 ramp

primary

#12151D

secondary

#514B3A

accent

#A868C0

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020203

muted

#787878

Preview Lab

Preview with #12151D

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

Preview Lab → · Contrast checker → · Palette generator →