#06171B#06171B

#06171B is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 19.2% C 0.025 H 214.7°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#06171B
RGB	rgb(6, 23, 27)
HSL	hsl(191, 64%, 6%)
HSV	hsv(191, 78%, 11%)
CMYK	cmyk(77.8%, 14.8%, 0%, 89.4%)
CIE-LAB	lab(6.60, -4.72, -4.88)
CIE-LCH	lch(6.60, 6.79, 225.99°)
OKLab	oklab(19.18% -0.0202 -0.014)
OKLCH	oklch(19.18% 0.025 214.7)
XYZ	xyz(0.5793, 0.7306, 1.1472)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#06171B #1B0A06

analogous

#061B15 #06171B #060D1B

triadic

#06171B #1B0617 #171B06

tetradic

#06171B #15061B #1B0A06 #0D1B06

square

#06171B #15061B #1B0A06 #0D1B06

split-complementary

#06171B #1B060D #1B1506

monochromatic

#061519 #061519 #06171B #11424D #1C6C7F

Accessibility & contrast

On white

18.32

#06171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#06171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #06171B

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##06171B	#FFFFFF	#000000	##FFFFFF
##06171B	1.00	18.32	1.15	18.32
#FFFFFF	18.32	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14161B

Deuteranopia (green-blind)

#11141B

Tritanopia (blue-blind)

#001918

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #06171b;
/* rgb */ color: rgb(6, 23, 27);
/* oklch */ color: oklch(19.2% 0.025 214.7);

Tailwind

colors: {
  custom: {
    50: '#495357',
    500: '#06171b',
    950: '#000000',
  },
}

SCSS

$custom: #06171b;
$custom-light: #495357;
$custom-dark: #000000;

JSON

{
  "hex": "#06171b",
  "rgb": {
    "r": 6,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 191.429,
    "s": 63.636,
    "l": 6.471
  },
  "oklch": {
    "l": 0.19181,
    "c": 0.02454,
    "h": 214.7
  },
  "luminance": 0.00731
}

Semantic roles & 50–950 ramp

primary

#06171B

secondary

#5A2D23

accent

#6141E7

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #06171B

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

Preview Lab → · Contrast checker → · Palette generator →