#00151E#00151E

#00151E is a very dark, muted cyan. Relative luminance 0.006; OKLCH L 18.2% C 0.035 H 226.6°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#00151E
RGB	rgb(0, 21, 30)
HSL	hsl(198, 100%, 6%)
HSV	hsv(198, 100%, 12%)
CMYK	cmyk(100%, 30%, 0%, 88.2%)
CIE-LAB	lab(5.69, -3.95, -8.58)
CIE-LCH	lch(5.69, 9.45, 245.30°)
OKLab	oklab(18.24% -0.0241 -0.0255)
OKLCH	oklch(18.24% 0.035 226.6)
XYZ	xyz(0.5024, 0.6300, 1.3232)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00151E #1E0900

analogous

#001E18 #00151E #00061E

triadic

#00151E #1E0015 #151E00

tetradic

#00151E #18001E #1E0900 #061E00

square

#00151E #18001E #1E0900 #061E00

split-complementary

#00151E #1E0006 #1E1800

monochromatic

#00151F #00151F #00151F #00405B #006B98

Accessibility & contrast

On white

18.65

#00151E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#00151E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00151E

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00151E	#FFFFFF	#000000	##FFFFFF
##00151E	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10141E

Deuteranopia (green-blind)

#0B111E

Tritanopia (blue-blind)

#001818

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #00151e;
/* rgb */ color: rgb(0, 21, 30);
/* oklch */ color: oklch(18.2% 0.035 226.6);

Tailwind

colors: {
  custom: {
    50: '#465259',
    500: '#00151e',
    950: '#000000',
  },
}

SCSS

$custom: #00151e;
$custom-light: #465259;
$custom-dark: #000000;

JSON

{
  "hex": "#00151e",
  "rgb": {
    "r": 0,
    "g": 21,
    "b": 30
  },
  "hsl": {
    "h": 198,
    "s": 100,
    "l": 5.882
  },
  "oklch": {
    "l": 0.18244,
    "c": 0.03509,
    "h": 226.6
  },
  "luminance": 0.0063
}

Semantic roles & 50–950 ramp

primary

#00151E

secondary

#682C12

accent

#6929FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000203

muted

#767878

Preview Lab

Preview with #00151E

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

Preview Lab → · Contrast checker → · Palette generator →