#172A3E#172A3E

#172A3E is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.9% C 0.045 H 250.9°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#172A3E
RGB	rgb(23, 42, 62)
HSL	hsl(211, 46%, 17%)
HSV	hsv(211, 63%, 24%)
CMYK	cmyk(62.9%, 32.3%, 0%, 75.7%)
CIE-LAB	lab(16.43, -0.61, -15.08)
CIE-LCH	lch(16.43, 15.09, 267.69°)
OKLab	oklab(27.91% -0.0147 -0.0423)
OKLCH	oklch(27.91% 0.045 250.9)
XYZ	xyz(2.0505, 2.1857, 4.8703)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172A3E #3E2B17

analogous

#173E3E #172A3E #18173E

triadic

#172A3E #3E172A #2A3E17

tetradic

#172A3E #3E173E #3E2B17 #173E18

square

#172A3E #3E173E #3E2B17 #173E18

split-complementary

#172A3E #3E1817 #3E3E17

monochromatic

#080F16 #080F16 #172A3E #28486B #386697

Accessibility & contrast

On white

14.61

#172A3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#172A3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172A3E

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172A3E	#FFFFFF	#000000	##FFFFFF
##172A3E	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222B3F

Deuteranopia (green-blind)

#1D273E

Tritanopia (blue-blind)

#012F31

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #172a3e;
/* rgb */ color: rgb(23, 42, 62);
/* oklch */ color: oklch(27.9% 0.045 250.9);

Tailwind

colors: {
  custom: {
    50: '#586373',
    500: '#172a3e',
    950: '#000000',
  },
}

SCSS

$custom: #172a3e;
$custom-light: #586373;
$custom-dark: #000000;

JSON

{
  "hex": "#172a3e",
  "rgb": {
    "r": 23,
    "g": 42,
    "b": 62
  },
  "hsl": {
    "h": 210.769,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.2791,
    "c": 0.04482,
    "h": 250.9
  },
  "luminance": 0.02186
}

Semantic roles & 50–950 ramp

primary

#172A3E

secondary

#75593C

accent

#9652D6

background

#F5F5F7

surface

#E9EAED

border

#C5C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #172A3E

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

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