#172D40#172D40

#172D40 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.9% C 0.045 H 246.2°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#172D40
RGB	rgb(23, 45, 64)
HSL	hsl(208, 47%, 17%)
HSV	hsv(208, 64%, 25%)
CMYK	cmyk(64.1%, 29.7%, 0%, 74.9%)
CIE-LAB	lab(17.59, -1.95, -14.65)
CIE-LCH	lch(17.59, 14.78, 262.44°)
OKLab	oklab(28.86% -0.0181 -0.0411)
OKLCH	oklch(28.86% 0.045 246.2)
XYZ	xyz(2.2168, 2.4289, 5.2015)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D40 #402A17

analogous

#17403F #172D40 #171940

triadic

#172D40 #40172D #2D4017

tetradic

#172D40 #3F1740 #402A17 #194017

square

#172D40 #3F1740 #402A17 #194017

split-complementary

#172D40 #401719 #403F17

monochromatic

#081017 #081017 #172D40 #274D6D #376C9A

Accessibility & contrast

On white

14.13

#172D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#172D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D40

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D40	#FFFFFF	#000000	##FFFFFF
##172D40	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252D41

Deuteranopia (green-blind)

#1F2940

Tritanopia (blue-blind)

#003234

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172d40;
/* rgb */ color: rgb(23, 45, 64);
/* oklch */ color: oklch(28.9% 0.045 246.2);

Tailwind

colors: {
  custom: {
    50: '#586575',
    500: '#172d40',
    950: '#000000',
  },
}

SCSS

$custom: #172d40;
$custom-light: #586575;
$custom-dark: #000000;

JSON

{
  "hex": "#172d40",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 64
  },
  "hsl": {
    "h": 207.805,
    "s": 47.126,
    "l": 17.059
  },
  "oklch": {
    "l": 0.28858,
    "c": 0.0449,
    "h": 246.2
  },
  "luminance": 0.02429
}

Semantic roles & 50–950 ramp

primary

#172D40

secondary

#77573C

accent

#8F51D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030508

muted

#787A7B

Preview Lab

Preview with #172D40

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

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