#15212B#15212B

#15212B is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.1% C 0.026 H 244.3°. Best body text is #FFFFFF at 16.35:1 contrast (WCAG AA passes).

Color values

HEX	#15212B
RGB	rgb(21, 33, 43)
HSL	hsl(207, 34%, 13%)
HSV	hsv(207, 51%, 17%)
CMYK	cmyk(51.2%, 23.3%, 0%, 83.1%)
CIE-LAB	lab(12.10, -1.88, -8.33)
CIE-LCH	lch(12.10, 8.54, 257.25°)
OKLab	oklab(24.14% -0.0111 -0.0231)
OKLCH	oklch(24.14% 0.026 244.3)
XYZ	xyz(1.2890, 1.4215, 2.4915)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15212B #2B1F15

analogous

#152B2A #15212B #15162B

triadic

#15212B #2B1521 #212B15

tetradic

#15212B #2A152B #2B1F15 #162B15

square

#15212B #2A152B #2B1F15 #162B15

split-complementary

#15212B #2B1516 #2B2A15

monochromatic

#0A1015 #0A1015 #15212B #294154 #3D607D

Accessibility & contrast

On white

16.35

#15212B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#15212B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15212B

16.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15212B	#FFFFFF	#000000	##FFFFFF
##15212B	1.00	16.35	1.28	16.35
#FFFFFF	16.35	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D212B

Deuteranopia (green-blind)

#1A1F2B

Tritanopia (blue-blind)

#0D2324

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #15212b;
/* rgb */ color: rgb(21, 33, 43);
/* oklch */ color: oklch(24.1% 0.026 244.3);

Tailwind

colors: {
  custom: {
    50: '#535c64',
    500: '#15212b',
    950: '#000000',
  },
}

SCSS

$custom: #15212b;
$custom-light: #535c64;
$custom-dark: #000000;

JSON

{
  "hex": "#15212b",
  "rgb": {
    "r": 21,
    "g": 33,
    "b": 43
  },
  "hsl": {
    "h": 207.273,
    "s": 34.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.24141,
    "c": 0.02561,
    "h": 244.3
  },
  "luminance": 0.01422
}

Semantic roles & 50–950 ramp

primary

#15212B

secondary

#614C3B

accent

#8F5DCA

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020405

muted

#787979

Preview Lab

Preview with #15212B

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

Preview Lab → · Contrast checker → · Palette generator →