#172D37#172D37

#172D37 is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.4% C 0.033 H 229.0°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#172D37
RGB	rgb(23, 45, 55)
HSL	hsl(199, 41%, 15%)
HSV	hsv(199, 58%, 22%)
CMYK	cmyk(58.2%, 18.2%, 0%, 78.4%)
CIE-LAB	lab(17.15, -5.30, -9.10)
CIE-LCH	lch(17.15, 10.53, 239.79°)
OKLab	oklab(28.36% -0.022 -0.0252)
OKLCH	oklch(28.36% 0.033 229)
XYZ	xyz(1.9811, 2.3346, 3.9599)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D37 #372117

analogous

#173731 #172D37 #171D37

triadic

#172D37 #37172D #2D3717

tetradic

#172D37 #311737 #372117 #1D3717

square

#172D37 #311737 #372117 #1D3717

split-complementary

#172D37 #37171D #373117

monochromatic

#091216 #091216 #172D37 #295062 #3B748D

Accessibility & contrast

On white

14.31

#172D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#172D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D37

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D37	#FFFFFF	#000000	##FFFFFF
##172D37	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282C38

Deuteranopia (green-blind)

#232937

Tritanopia (blue-blind)

#063030

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #172d37;
/* rgb */ color: rgb(23, 45, 55);
/* oklch */ color: oklch(28.4% 0.033 229.0);

Tailwind

colors: {
  custom: {
    50: '#57656d',
    500: '#172d37',
    950: '#000000',
  },
}

SCSS

$custom: #172d37;
$custom-light: #57656d;
$custom-dark: #000000;

JSON

{
  "hex": "#172d37",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 55
  },
  "hsl": {
    "h": 198.75,
    "s": 41.026,
    "l": 15.294
  },
  "oklch": {
    "l": 0.28364,
    "c": 0.03346,
    "h": 229
  },
  "luminance": 0.02335
}

Semantic roles & 50–950 ramp

primary

#172D37

secondary

#6D4C3D

accent

#7D57D1

background

#F5F6F6

surface

#E9EBEB

border

#C5C6C6

text

#030507

muted

#787A7A

Preview Lab

Preview with #172D37

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

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