#172B2F#172B2F

#172B2F is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.4% C 0.027 H 211.7°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#172B2F
RGB	rgb(23, 43, 47)
HSL	hsl(190, 34%, 14%)
HSV	hsv(190, 51%, 18%)
CMYK	cmyk(51.1%, 8.5%, 0%, 81.6%)
CIE-LAB	lab(16.08, -6.75, -5.14)
CIE-LCH	lch(16.08, 8.48, 217.28°)
OKLab	oklab(27.39% -0.0228 -0.0141)
OKLCH	oklch(27.39% 0.027 211.7)
XYZ	xyz(1.7301, 2.1150, 3.0058)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172B2F #2F1B17

analogous

#172F27 #172B2F #171F2F

triadic

#172B2F #2F172B #2B2F17

tetradic

#172B2F #27172F #2F1B17 #1F2F17

square

#172B2F #27172F #2F1B17 #1F2F17

split-complementary

#172B2F #2F171F #2F2717

monochromatic

#0A1315 #0A1315 #172B2F #2B5158 #3F7681

Accessibility & contrast

On white

14.76

#172B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#172B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172B2F

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172B2F	#FFFFFF	#000000	##FFFFFF
##172B2F	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282A2F

Deuteranopia (green-blind)

#24272F

Tritanopia (blue-blind)

#0C2D2C

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #172b2f;
/* rgb */ color: rgb(23, 43, 47);
/* oklch */ color: oklch(27.4% 0.027 211.7);

Tailwind

colors: {
  custom: {
    50: '#566467',
    500: '#172b2f',
    950: '#000000',
  },
}

SCSS

$custom: #172b2f;
$custom-light: #566467;
$custom-dark: #000000;

JSON

{
  "hex": "#172b2f",
  "rgb": {
    "r": 23,
    "g": 43,
    "b": 47
  },
  "hsl": {
    "h": 190,
    "s": 34.286,
    "l": 13.725
  },
  "oklch": {
    "l": 0.27394,
    "c": 0.02686,
    "h": 211.7
  },
  "luminance": 0.02115
}

Semantic roles & 50–950 ramp

primary

#172B2F

secondary

#64443D

accent

#705DCA

background

#F5F5F6

surface

#E9EAEB

border

#C5C6C6

text

#030506

muted

#78797A

Preview Lab

Preview with #172B2F

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

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