#172F37#172F37

#172F37 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.9% C 0.033 H 221.6°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#172F37
RGB	rgb(23, 47, 55)
HSL	hsl(195, 41%, 15%)
HSV	hsv(195, 58%, 22%)
CMYK	cmyk(58.2%, 14.5%, 0%, 78.4%)
CIE-LAB	lab(17.88, -6.64, -8.00)
CIE-LCH	lch(17.88, 10.39, 230.32°)
OKLab	oklab(28.94% -0.0249 -0.0221)
OKLCH	oklch(28.94% 0.033 221.6)
XYZ	xyz(2.0592, 2.4909, 3.9860)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F37 #371F17

analogous

#17372F #172F37 #171F37

triadic

#172F37 #37172F #2F3717

tetradic

#172F37 #2F1737 #371F17 #1F3717

square

#172F37 #2F1737 #371F17 #1F3717

split-complementary

#172F37 #37171F #372F17

monochromatic

#091216 #091216 #172F37 #295462 #3B798D

Accessibility & contrast

On white

14.02

#172F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#172F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F37

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F37	#FFFFFF	#000000	##FFFFFF
##172F37	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2E37

Deuteranopia (green-blind)

#252A37

Tritanopia (blue-blind)

#063232

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172f37;
/* rgb */ color: rgb(23, 47, 55);
/* oklch */ color: oklch(28.9% 0.033 221.6);

Tailwind

colors: {
  custom: {
    50: '#57676d',
    500: '#172f37',
    950: '#000000',
  },
}

SCSS

$custom: #172f37;
$custom-light: #57676d;
$custom-dark: #000000;

JSON

{
  "hex": "#172f37",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 55
  },
  "hsl": {
    "h": 195,
    "s": 41.026,
    "l": 15.294
  },
  "oklch": {
    "l": 0.2894,
    "c": 0.03331,
    "h": 221.6
  },
  "luminance": 0.02491
}

Semantic roles & 50–950 ramp

primary

#172F37

secondary

#6D493D

accent

#7557D1

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030607

muted

#787A7A

Preview Lab

Preview with #172F37

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

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