#172E42#172E42

#172E42 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.3% C 0.047 H 246.5°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#172E42
RGB	rgb(23, 46, 66)
HSL	hsl(208, 48%, 17%)
HSV	hsv(208, 65%, 26%)
CMYK	cmyk(65.2%, 30.3%, 0%, 74.1%)
CIE-LAB	lab(18.05, -1.87, -15.31)
CIE-LCH	lch(18.05, 15.42, 263.04°)
OKLab	oklab(29.25% -0.0187 -0.043)
OKLCH	oklch(29.25% 0.047 246.5)
XYZ	xyz(2.3134, 2.5293, 5.5195)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E42 #422B17

analogous

#174241 #172E42 #171842

triadic

#172E42 #42172E #2E4217

tetradic

#172E42 #411742 #422B17 #184217

square

#172E42 #411742 #422B17 #184217

split-complementary

#172E42 #421718 #424117

monochromatic

#081017 #081017 #172E42 #274E6F #376D9D

Accessibility & contrast

On white

13.95

#172E42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#172E42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E42

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E42	#FFFFFF	#000000	##FFFFFF
##172E42	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252E43

Deuteranopia (green-blind)

#202A42

Tritanopia (blue-blind)

#003335

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172e42;
/* rgb */ color: rgb(23, 46, 66);
/* oklch */ color: oklch(29.3% 0.047 246.5);

Tailwind

colors: {
  custom: {
    50: '#586676',
    500: '#172e42',
    950: '#000000',
  },
}

SCSS

$custom: #172e42;
$custom-light: #586676;
$custom-dark: #000000;

JSON

{
  "hex": "#172e42",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 66
  },
  "hsl": {
    "h": 207.907,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.29253,
    "c": 0.04688,
    "h": 246.5
  },
  "luminance": 0.02529
}

Semantic roles & 50–950 ramp

primary

#172E42

secondary

#79583C

accent

#8F50D8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #172E42

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

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