#172B36#172B36

#172B36 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.7% C 0.033 H 233.8°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#172B36
RGB	rgb(23, 43, 54)
HSL	hsl(201, 40%, 15%)
HSV	hsv(201, 57%, 21%)
CMYK	cmyk(57.4%, 20.4%, 0%, 78.8%)
CIE-LAB	lab(16.39, -4.30, -9.58)
CIE-LCH	lch(16.39, 10.50, 245.80°)
OKLab	oklab(27.74% -0.0195 -0.0266)
OKLCH	oklch(27.74% 0.033 233.8)
XYZ	xyz(1.8828, 2.1761, 3.8101)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172B36 #362217

analogous

#173631 #172B36 #171C36

triadic

#172B36 #36172B #2B3617

tetradic

#172B36 #311736 #362217 #1C3617

square

#172B36 #311736 #362217 #1C3617

split-complementary

#172B36 #36171C #363117

monochromatic

#091115 #091115 #172B36 #294D61 #3C6F8C

Accessibility & contrast

On white

14.63

#172B36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#172B36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172B36

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172B36	#FFFFFF	#000000	##FFFFFF
##172B36	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262A37

Deuteranopia (green-blind)

#212736

Tritanopia (blue-blind)

#082E2F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #172b36;
/* rgb */ color: rgb(23, 43, 54);
/* oklch */ color: oklch(27.7% 0.033 233.8);

Tailwind

colors: {
  custom: {
    50: '#56646d',
    500: '#172b36',
    950: '#000000',
  },
}

SCSS

$custom: #172b36;
$custom-light: #56646d;
$custom-dark: #000000;

JSON

{
  "hex": "#172b36",
  "rgb": {
    "r": 23,
    "g": 43,
    "b": 54
  },
  "hsl": {
    "h": 201.29,
    "s": 40.26,
    "l": 15.098
  },
  "oklch": {
    "l": 0.27739,
    "c": 0.03296,
    "h": 233.8
  },
  "luminance": 0.02176
}

Semantic roles & 50–950 ramp

primary

#172B36

secondary

#6C4D3D

accent

#8258D0

background

#F5F5F6

surface

#E9EAEB

border

#C5C6C6

text

#030507

muted

#78797A

Preview Lab

Preview with #172B36

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

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