#00151C#00151C

#00151C is a very dark, muted cyan. Relative luminance 0.006; OKLCH L 18.1% C 0.033 H 220.6°. Best body text is #FFFFFF at 18.68:1 contrast (WCAG AA passes).

Color values

HEX	#00151C
RGB	rgb(0, 21, 28)
HSL	hsl(195, 100%, 5%)
HSV	hsv(195, 100%, 11%)
CMYK	cmyk(100%, 25%, 0%, 89%)
CIE-LAB	lab(5.60, -4.58, -7.18)
CIE-LCH	lch(5.60, 8.51, 237.48°)
OKLab	oklab(18.12% -0.0251 -0.0216)
OKLCH	oklch(18.12% 0.033 220.6)
XYZ	xyz(0.4777, 0.6201, 1.1929)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00151C #1C0700

analogous

#001C15 #00151C #00071C

triadic

#00151C #1C0015 #151C00

tetradic

#00151C #15001C #1C0700 #071C00

square

#00151C #15001C #1C0700 #071C00

split-complementary

#00151C #1C0007 #1C1500

monochromatic

#00171F #00171F #00171F #004359 #007196

Accessibility & contrast

On white

18.68

#00151C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#00151C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00151C

18.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00151C	#FFFFFF	#000000	##FFFFFF
##00151C	1.00	18.68	1.12	18.68
#FFFFFF	18.68	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11141C

Deuteranopia (green-blind)

#0C111C

Tritanopia (blue-blind)

#001717

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #00151c;
/* rgb */ color: rgb(0, 21, 28);
/* oklch */ color: oklch(18.1% 0.033 220.6);

Tailwind

colors: {
  custom: {
    50: '#465258',
    500: '#00151c',
    950: '#000000',
  },
}

SCSS

$custom: #00151c;
$custom-light: #465258;
$custom-dark: #000000;

JSON

{
  "hex": "#00151c",
  "rgb": {
    "r": 0,
    "g": 21,
    "b": 28
  },
  "hsl": {
    "h": 195,
    "s": 100,
    "l": 5.49
  },
  "oklch": {
    "l": 0.18116,
    "c": 0.03313,
    "h": 220.6
  },
  "luminance": 0.0062
}

Semantic roles & 50–950 ramp

primary

#00151C

secondary

#662712

accent

#5E29FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000203

muted

#767878

Preview Lab

Preview with #00151C

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

Preview Lab → · Contrast checker → · Palette generator →