#00171F#00171F

#00171F is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 19.0% C 0.035 H 222.4°. Best body text is #FFFFFF at 18.38:1 contrast (WCAG AA passes).

Color values

HEX	#00171F
RGB	rgb(0, 23, 31)
HSL	hsl(195, 100%, 6%)
HSV	hsv(195, 100%, 12%)
CMYK	cmyk(100%, 25.8%, 0%, 87.8%)
CIE-LAB	lab(6.43, -5.03, -8.23)
CIE-LCH	lch(6.43, 9.65, 238.58°)
OKLab	oklab(18.98% -0.026 -0.0237)
OKLCH	oklch(18.98% 0.035 222.4)
XYZ	xyz(0.5536, 0.7116, 1.4042)
Luminance	0.0071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00171F #1F0800

analogous

#001F17 #00171F #00071F

triadic

#00171F #1F0017 #171F00

tetradic

#00171F #17001F #1F0800 #071F00

square

#00171F #17001F #1F0800 #071F00

split-complementary

#00171F #1F0007 #1F1700

monochromatic

#00171F #00171F #00171F #00445C #007299

Accessibility & contrast

On white

18.38

#00171F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#00171F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00171F

18.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00171F	#FFFFFF	#000000	##FFFFFF
##00171F	1.00	18.38	1.14	18.38
#FFFFFF	18.38	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12161F

Deuteranopia (green-blind)

#0E131F

Tritanopia (blue-blind)

#00191A

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #00171f;
/* rgb */ color: rgb(0, 23, 31);
/* oklch */ color: oklch(19.0% 0.035 222.4);

Tailwind

colors: {
  custom: {
    50: '#46535a',
    500: '#00171f',
    950: '#000000',
  },
}

SCSS

$custom: #00171f;
$custom-light: #46535a;
$custom-dark: #000000;

JSON

{
  "hex": "#00171f",
  "rgb": {
    "r": 0,
    "g": 23,
    "b": 31
  },
  "hsl": {
    "h": 195.484,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.18977,
    "c": 0.03517,
    "h": 222.4
  },
  "luminance": 0.00712
}

Semantic roles & 50–950 ramp

primary

#00171F

secondary

#682912

accent

#6029FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000203

muted

#767878

Preview Lab

Preview with #00171F

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

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