#172D42#172D42

#172D42 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.0% C 0.048 H 248.7°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#172D42
RGB	rgb(23, 45, 66)
HSL	hsl(209, 48%, 17%)
HSV	hsv(209, 65%, 26%)
CMYK	cmyk(65.2%, 31.8%, 0%, 74.1%)
CIE-LAB	lab(17.70, -1.17, -15.86)
CIE-LCH	lch(17.70, 15.90, 265.77°)
OKLab	oklab(28.98% -0.0173 -0.0446)
OKLCH	oklch(28.98% 0.048 248.7)
XYZ	xyz(2.2747, 2.4521, 5.5066)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D42 #422C17

analogous

#174242 #172D42 #171842

triadic

#172D42 #42172D #2D4217

tetradic

#172D42 #421742 #422C17 #184217

square

#172D42 #421742 #422C17 #184217

split-complementary

#172D42 #421718 #424217

monochromatic

#080F17 #080F17 #172D42 #274C6F #376B9D

Accessibility & contrast

On white

14.09

#172D42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#172D42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D42

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D42	#FFFFFF	#000000	##FFFFFF
##172D42	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242E43

Deuteranopia (green-blind)

#1E2942

Tritanopia (blue-blind)

#003234

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172d42;
/* rgb */ color: rgb(23, 45, 66);
/* oklch */ color: oklch(29.0% 0.048 248.7);

Tailwind

colors: {
  custom: {
    50: '#586576',
    500: '#172d42',
    950: '#000000',
  },
}

SCSS

$custom: #172d42;
$custom-light: #586576;
$custom-dark: #000000;

JSON

{
  "hex": "#172d42",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 66
  },
  "hsl": {
    "h": 209.302,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.28977,
    "c": 0.04783,
    "h": 248.7
  },
  "luminance": 0.02452
}

Semantic roles & 50–950 ramp

primary

#172D42

secondary

#795A3C

accent

#9250D8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #172D42

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

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