#172D3D#172D3D

#172D3D is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.7% C 0.041 H 241.7°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#172D3D
RGB	rgb(23, 45, 61)
HSL	hsl(205, 45%, 16%)
HSV	hsv(205, 62%, 24%)
CMYK	cmyk(62.3%, 26.2%, 0%, 76.1%)
CIE-LAB	lab(17.44, -3.09, -12.82)
CIE-LCH	lch(17.44, 13.19, 256.45°)
OKLab	oklab(28.69% -0.0193 -0.0358)
OKLCH	oklch(28.69% 0.041 241.7)
XYZ	xyz(2.1337, 2.3957, 4.7639)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D3D #3D2717

analogous

#173D3A #172D3D #171A3D

triadic

#172D3D #3D172D #2D3D17

tetradic

#172D3D #3A173D #3D2717 #1A3D17

square

#172D3D #3A173D #3D2717 #1A3D17

split-complementary

#172D3D #3D171A #3D3A17

monochromatic

#081016 #081016 #172D3D #284E69 #396F96

Accessibility & contrast

On white

14.20

#172D3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#172D3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D3D

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D3D	#FFFFFF	#000000	##FFFFFF
##172D3D	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262D3E

Deuteranopia (green-blind)

#21293D

Tritanopia (blue-blind)

#013132

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172d3d;
/* rgb */ color: rgb(23, 45, 61);
/* oklch */ color: oklch(28.7% 0.041 241.7);

Tailwind

colors: {
  custom: {
    50: '#576572',
    500: '#172d3d',
    950: '#000000',
  },
}

SCSS

$custom: #172d3d;
$custom-light: #576572;
$custom-dark: #000000;

JSON

{
  "hex": "#172d3d",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 61
  },
  "hsl": {
    "h": 205.263,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.28686,
    "c": 0.04071,
    "h": 241.7
  },
  "luminance": 0.02396
}

Semantic roles & 50–950 ramp

primary

#172D3D

secondary

#74543C

accent

#8A53D5

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030508

muted

#787A7B

Preview Lab

Preview with #172D3D

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

Preview Lab → · Contrast checker → · Palette generator →