#09171B#09171B

#09171B is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 19.4% C 0.021 H 218.2°. Best body text is #FFFFFF at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#09171B
RGB	rgb(9, 23, 27)
HSL	hsl(193, 50%, 7%)
HSV	hsv(193, 67%, 11%)
CMYK	cmyk(66.7%, 14.8%, 0%, 89.4%)
CIE-LAB	lab(6.77, -3.93, -4.60)
CIE-LCH	lch(6.77, 6.05, 229.46°)
OKLab	oklab(19.39% -0.0166 -0.013)
OKLCH	oklch(19.39% 0.021 218.2)
XYZ	xyz(0.6168, 0.7500, 1.1489)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09171B #1B0D09

analogous

#091B16 #09171B #090E1B

triadic

#09171B #1B0917 #171B09

tetradic

#09171B #16091B #1B0D09 #0E1B09

square

#09171B #16091B #1B0D09 #0E1B09

split-complementary

#09171B #1B090E #1B1609

monochromatic

#081417 #081417 #09171B #183E49 #286577

Accessibility & contrast

On white

18.26

#09171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#09171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09171B

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09171B	#FFFFFF	#000000	##FFFFFF
##09171B	1.00	18.26	1.15	18.26
#FFFFFF	18.26	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14161B

Deuteranopia (green-blind)

#12141B

Tritanopia (blue-blind)

#031818

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #09171b;
/* rgb */ color: rgb(9, 23, 27);
/* oklch */ color: oklch(19.4% 0.021 218.2);

Tailwind

colors: {
  custom: {
    50: '#4a5357',
    500: '#09171b',
    950: '#000000',
  },
}

SCSS

$custom: #09171b;
$custom-light: #4a5357;
$custom-dark: #000000;

JSON

{
  "hex": "#09171b",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 193.333,
    "s": 50,
    "l": 7.059
  },
  "oklch": {
    "l": 0.19393,
    "c": 0.02108,
    "h": 218.2
  },
  "luminance": 0.0075
}

Semantic roles & 50–950 ramp

primary

#09171B

secondary

#56332A

accent

#6D4EDA

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #09171B

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

Preview Lab → · Contrast checker → · Palette generator →