#172F42#172F42

#172F42 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.046 H 244.2°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#172F42
RGB	rgb(23, 47, 66)
HSL	hsl(207, 48%, 17%)
HSV	hsv(207, 65%, 26%)
CMYK	cmyk(65.2%, 28.8%, 0%, 74.1%)
CIE-LAB	lab(18.40, -2.56, -14.77)
CIE-LCH	lch(18.40, 14.99, 260.16°)
OKLab	oklab(29.53% -0.0201 -0.0414)
OKLCH	oklch(29.53% 0.046 244.2)
XYZ	xyz(2.3529, 2.6083, 5.5327)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F42 #422A17

analogous

#174240 #172F42 #171942

triadic

#172F42 #42172F #2F4217

tetradic

#172F42 #401742 #422A17 #194217

square

#172F42 #401742 #422A17 #194217

split-complementary

#172F42 #421719 #424017

monochromatic

#081017 #081017 #172F42 #274F6F #37709D

Accessibility & contrast

On white

13.80

#172F42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#172F42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F42

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F42	#FFFFFF	#000000	##FFFFFF
##172F42	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272F43

Deuteranopia (green-blind)

#212B42

Tritanopia (blue-blind)

#003436

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172f42;
/* rgb */ color: rgb(23, 47, 66);
/* oklch */ color: oklch(29.5% 0.046 244.2);

Tailwind

colors: {
  custom: {
    50: '#586776',
    500: '#172f42',
    950: '#000000',
  },
}

SCSS

$custom: #172f42;
$custom-light: #586776;
$custom-dark: #000000;

JSON

{
  "hex": "#172f42",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 66
  },
  "hsl": {
    "h": 206.512,
    "s": 48.315,
    "l": 17.451
  },
  "oklch": {
    "l": 0.2953,
    "c": 0.04601,
    "h": 244.2
  },
  "luminance": 0.02609
}

Semantic roles & 50–950 ramp

primary

#172F42

secondary

#79573C

accent

#8C50D8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #172F42

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

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