#172E47#172E47

#172E47 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.6% C 0.054 H 251.9°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#172E47
RGB	rgb(23, 46, 71)
HSL	hsl(211, 51%, 18%)
HSV	hsv(211, 68%, 28%)
CMYK	cmyk(67.6%, 35.2%, 0%, 72.2%)
CIE-LAB	lab(18.32, 0.09, -18.30)
CIE-LCH	lch(18.32, 18.30, 270.30°)
OKLab	oklab(29.56% -0.0169 -0.0516)
OKLCH	oklch(29.56% 0.054 251.9)
XYZ	xyz(2.4673, 2.5909, 6.3301)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E47 #473017

analogous

#174647 #172E47 #181747

triadic

#172E47 #47172E #2E4717

tetradic

#172E47 #471746 #473017 #174718

square

#172E47 #471746 #473017 #174718

split-complementary

#172E47 #471817 #464717

monochromatic

#070F17 #081019 #172E47 #264C75 #356AA3

Accessibility & contrast

On white

13.83

#172E47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#172E47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E47

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E47	#FFFFFF	#000000	##FFFFFF
##172E47	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232F48

Deuteranopia (green-blind)

#1D2B46

Tritanopia (blue-blind)

#003437

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172e47;
/* rgb */ color: rgb(23, 46, 71);
/* oklch */ color: oklch(29.6% 0.054 251.9);

Tailwind

colors: {
  custom: {
    50: '#59667a',
    500: '#172e47',
    950: '#000000',
  },
}

SCSS

$custom: #172e47;
$custom-light: #59667a;
$custom-dark: #000000;

JSON

{
  "hex": "#172e47",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 71
  },
  "hsl": {
    "h": 211.25,
    "s": 51.064,
    "l": 18.431
  },
  "oklch": {
    "l": 0.29559,
    "c": 0.05434,
    "h": 251.9
  },
  "luminance": 0.02591
}

Semantic roles & 50–950 ramp

primary

#172E47

secondary

#7E5E3C

accent

#974DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040509

muted

#797A7B

Preview Lab

Preview with #172E47

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

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