#172C3D#172C3D

#172C3D is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.4% C 0.041 H 244.4°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#172C3D
RGB	rgb(23, 44, 61)
HSL	hsl(207, 45%, 16%)
HSV	hsv(207, 62%, 24%)
CMYK	cmyk(62.3%, 27.9%, 0%, 76.1%)
CIE-LAB	lab(17.09, -2.40, -13.37)
CIE-LCH	lch(17.09, 13.58, 259.83°)
OKLab	oklab(28.41% -0.0179 -0.0374)
OKLCH	oklch(28.41% 0.041 244.4)
XYZ	xyz(2.0960, 2.3203, 4.7514)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C3D #3D2817

analogous

#173D3B #172C3D #17193D

triadic

#172C3D #3D172C #2C3D17

tetradic

#172C3D #3B173D #3D2817 #193D17

square

#172C3D #3B173D #3D2817 #193D17

split-complementary

#172C3D #3D1719 #3D3B17

monochromatic

#081016 #081016 #172C3D #284C69 #396C96

Accessibility & contrast

On white

14.34

#172C3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#172C3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C3D

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C3D	#FFFFFF	#000000	##FFFFFF
##172C3D	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252C3E

Deuteranopia (green-blind)

#20283D

Tritanopia (blue-blind)

#023032

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #172c3d;
/* rgb */ color: rgb(23, 44, 61);
/* oklch */ color: oklch(28.4% 0.041 244.4);

Tailwind

colors: {
  custom: {
    50: '#576472',
    500: '#172c3d',
    950: '#000000',
  },
}

SCSS

$custom: #172c3d;
$custom-light: #576472;
$custom-dark: #000000;

JSON

{
  "hex": "#172c3d",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 61
  },
  "hsl": {
    "h": 206.842,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.28406,
    "c": 0.04148,
    "h": 244.4
  },
  "luminance": 0.0232
}

Semantic roles & 50–950 ramp

primary

#172C3D

secondary

#74553C

accent

#8D53D5

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030508

muted

#787A7B

Preview Lab

Preview with #172C3D

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

Preview Lab → · Contrast checker → · Palette generator →