#172F3E#172F3E

#172F3E is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.041 H 237.8°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#172F3E
RGB	rgb(23, 47, 62)
HSL	hsl(203, 46%, 17%)
HSV	hsv(203, 63%, 24%)
CMYK	cmyk(62.9%, 24.2%, 0%, 75.7%)
CIE-LAB	lab(18.20, -4.08, -12.33)
CIE-LCH	lch(18.20, 12.99, 251.68°)
OKLab	oklab(29.3% -0.0217 -0.0344)
OKLCH	oklch(29.3% 0.041 237.8)
XYZ	xyz(2.2390, 2.5628, 4.9332)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F3E #3E2617

analogous

#173E3A #172F3E #171C3E

triadic

#172F3E #3E172F #2F3E17

tetradic

#172F3E #3A173E #3E2617 #1C3E17

square

#172F3E #3A173E #3E2617 #1C3E17

split-complementary

#172F3E #3E171C #3E3A17

monochromatic

#081116 #081116 #172F3E #28516B #387397

Accessibility & contrast

On white

13.88

#172F3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#172F3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F3E

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F3E	#FFFFFF	#000000	##FFFFFF
##172F3E	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282F3F

Deuteranopia (green-blind)

#232B3E

Tritanopia (blue-blind)

#003334

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172f3e;
/* rgb */ color: rgb(23, 47, 62);
/* oklch */ color: oklch(29.3% 0.041 237.8);

Tailwind

colors: {
  custom: {
    50: '#586773',
    500: '#172f3e',
    950: '#000000',
  },
}

SCSS

$custom: #172f3e;
$custom-light: #586773;
$custom-dark: #000000;

JSON

{
  "hex": "#172f3e",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 62
  },
  "hsl": {
    "h": 203.077,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.29304,
    "c": 0.0407,
    "h": 237.8
  },
  "luminance": 0.02563
}

Semantic roles & 50–950 ramp

primary

#172F3E

secondary

#75523C

accent

#8552D6

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #172F3E

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

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