#172F41#172F41

#172F41 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.045 H 242.7°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#172F41
RGB	rgb(23, 47, 65)
HSL	hsl(206, 48%, 17%)
HSV	hsv(206, 65%, 25%)
CMYK	cmyk(64.6%, 27.7%, 0%, 74.5%)
CIE-LAB	lab(18.35, -2.95, -14.16)
CIE-LCH	lch(18.35, 14.46, 258.25°)
OKLab	oklab(29.47% -0.0205 -0.0397)
OKLCH	oklch(29.47% 0.045 242.7)
XYZ	xyz(2.3236, 2.5966, 5.3788)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F41 #412917

analogous

#17413E #172F41 #171A41

triadic

#172F41 #41172F #2F4117

tetradic

#172F41 #3E1741 #412917 #1A4117

square

#172F41 #3E1741 #412917 #1A4117

split-complementary

#172F41 #41171A #413E17

monochromatic

#081017 #081017 #172F41 #27506E #37709B

Accessibility & contrast

On white

13.82

#172F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#172F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F41

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F41	#FFFFFF	#000000	##FFFFFF
##172F41	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272F42

Deuteranopia (green-blind)

#212B41

Tritanopia (blue-blind)

#003335

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172f41;
/* rgb */ color: rgb(23, 47, 65);
/* oklch */ color: oklch(29.5% 0.045 242.7);

Tailwind

colors: {
  custom: {
    50: '#586775',
    500: '#172f41',
    950: '#000000',
  },
}

SCSS

$custom: #172f41;
$custom-light: #586775;
$custom-dark: #000000;

JSON

{
  "hex": "#172f41",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 65
  },
  "hsl": {
    "h": 205.714,
    "s": 47.727,
    "l": 17.255
  },
  "oklch": {
    "l": 0.29472,
    "c": 0.04464,
    "h": 242.7
  },
  "luminance": 0.02597
}

Semantic roles & 50–950 ramp

primary

#172F41

secondary

#78563C

accent

#8A50D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #172F41

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

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