#09171C#09171C

#09171C is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 19.4% C 0.022 H 223.0°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#09171C
RGB	rgb(9, 23, 28)
HSL	hsl(196, 51%, 7%)
HSV	hsv(196, 68%, 11%)
CMYK	cmyk(67.9%, 17.9%, 0%, 89%)
CIE-LAB	lab(6.82, -3.63, -5.30)
CIE-LCH	lch(6.82, 6.43, 235.57°)
OKLab	oklab(19.45% -0.016 -0.015)
OKLCH	oklch(19.45% 0.022 223)
XYZ	xyz(0.6286, 0.7547, 1.2109)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09171C #1C0E09

analogous

#091C18 #09171C #090E1C

triadic

#09171C #1C0917 #171C09

tetradic

#09171C #18091C #1C0E09 #0E1C09

square

#09171C #18091C #1C0E09 #0E1C09

split-complementary

#09171C #1C090E #1C1809

monochromatic

#071317 #071317 #09171C #183D4A #276379

Accessibility & contrast

On white

18.25

#09171C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#09171C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09171C

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09171C	#FFFFFF	#000000	##FFFFFF
##09171C	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14161C

Deuteranopia (green-blind)

#11141C

Tritanopia (blue-blind)

#021919

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #09171c;
/* rgb */ color: rgb(9, 23, 28);
/* oklch */ color: oklch(19.4% 0.022 223.0);

Tailwind

colors: {
  custom: {
    50: '#4a5358',
    500: '#09171c',
    950: '#000000',
  },
}

SCSS

$custom: #09171c;
$custom-light: #4a5358;
$custom-dark: #000000;

JSON

{
  "hex": "#09171c",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 28
  },
  "hsl": {
    "h": 195.789,
    "s": 51.351,
    "l": 7.255
  },
  "oklch": {
    "l": 0.19446,
    "c": 0.02194,
    "h": 223
  },
  "luminance": 0.00755
}

Semantic roles & 50–950 ramp

primary

#09171C

secondary

#583529

accent

#724DDB

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #09171C

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

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