#17586C#17586C

#17586C is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.0% C 0.071 H 223.0°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#17586C
RGB	rgb(23, 88, 108)
HSL	hsl(194, 65%, 26%)
HSV	hsv(194, 79%, 42%)
CMYK	cmyk(78.7%, 18.5%, 0%, 57.6%)
CIE-LAB	lab(34.48, -12.63, -17.23)
CIE-LCH	lch(34.48, 21.36, 233.76°)
OKLab	oklab(43% -0.0517 -0.0482)
OKLCH	oklch(43% 0.071 223)
XYZ	xyz(6.5487, 8.2435, 15.4305)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17586C #6C2B17

analogous

#176C55 #17586C #172D6C

triadic

#17586C #6C1758 #586C17

tetradic

#17586C #55176C #6C2B17 #2D6C17

square

#17586C #55176C #6C2B17 #2D6C17

split-complementary

#17586C #6C172D #6C5517

monochromatic

#051519 #0C2F3A #17586C #22819E #2CAAD1

Accessibility & contrast

On white

7.93

#17586C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#17586C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17586C

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17586C	#FFFFFF	#000000	##FFFFFF
##17586C	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D566D

Deuteranopia (green-blind)

#414D6C

Tritanopia (blue-blind)

#005E5E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #17586c;
/* rgb */ color: rgb(23, 88, 108);
/* oklch */ color: oklch(43.0% 0.071 223.0);

Tailwind

colors: {
  custom: {
    50: '#638796',
    500: '#17586c',
    950: '#000000',
  },
}

SCSS

$custom: #17586c;
$custom-light: #638796;
$custom-dark: #000000;

JSON

{
  "hex": "#17586c",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 108
  },
  "hsl": {
    "h": 194.118,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.43002,
    "c": 0.07069,
    "h": 223
  },
  "luminance": 0.08244
}

Semantic roles & 50–950 ramp

primary

#17586C

secondary

#A2553D

accent

#6740E8

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #17586C

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

Preview Lab → · Contrast checker → · Palette generator →