#172D47#172D47

#172D47 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.3% C 0.055 H 253.7°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#172D47
RGB	rgb(23, 45, 71)
HSL	hsl(213, 51%, 18%)
HSV	hsv(213, 68%, 28%)
CMYK	cmyk(67.6%, 36.6%, 0%, 72.2%)
CIE-LAB	lab(17.98, 0.80, -18.84)
CIE-LCH	lch(17.98, 18.86, 272.45°)
OKLab	oklab(29.29% -0.0156 -0.0532)
OKLCH	oklch(29.29% 0.055 253.7)
XYZ	xyz(2.4287, 2.5136, 6.3172)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D47 #473117

analogous

#174547 #172D47 #191747

triadic

#172D47 #47172D #2D4717

tetradic

#172D47 #471745 #473117 #174719

square

#172D47 #471745 #473117 #174719

split-complementary

#172D47 #471917 #454717

monochromatic

#070F17 #081019 #172D47 #264A75 #3568A3

Accessibility & contrast

On white

13.97

#172D47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#172D47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D47

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D47	#FFFFFF	#000000	##FFFFFF
##172D47	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222E48

Deuteranopia (green-blind)

#1C2A46

Tritanopia (blue-blind)

#003336

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172d47;
/* rgb */ color: rgb(23, 45, 71);
/* oklch */ color: oklch(29.3% 0.055 253.7);

Tailwind

colors: {
  custom: {
    50: '#59657a',
    500: '#172d47',
    950: '#000000',
  },
}

SCSS

$custom: #172d47;
$custom-light: #59657a;
$custom-dark: #000000;

JSON

{
  "hex": "#172d47",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 71
  },
  "hsl": {
    "h": 212.5,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.29289,
    "c": 0.05546,
    "h": 253.7
  },
  "luminance": 0.02514
}

Semantic roles & 50–950 ramp

primary

#172D47

secondary

#7E603C

accent

#9A4DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040509

muted

#797A7B

Preview Lab

Preview with #172D47

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

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