#17588E#17588E

#17588E is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.9% C 0.109 H 248.6°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#17588E
RGB	rgb(23, 88, 142)
HSL	hsl(207, 72%, 32%)
HSV	hsv(207, 84%, 56%)
CMYK	cmyk(83.8%, 38%, 0%, 44.3%)
CIE-LAB	lab(36.20, 0.53, -35.47)
CIE-LCH	lch(36.20, 35.47, 270.86°)
OKLab	oklab(44.93% -0.0397 -0.1012)
OKLCH	oklch(44.93% 0.109 248.6)
XYZ	xyz(8.7237, 9.1135, 26.8852)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17588E #8E4D17

analogous

#178E89 #17588E #171C8E

triadic

#17588E #8E1758 #588E17

tetradic

#17588E #89178E #8E4D17 #1C8E17

square

#17588E #89178E #8E4D17 #1C8E17

split-complementary

#17588E #8E171C #8E8917

monochromatic

#061725 #0E3759 #17588E #2079C3 #3F97E0

Accessibility & contrast

On white

7.44

#17588E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#17588E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17588E

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17588E	#FFFFFF	#000000	##FFFFFF
##17588E	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5B90

Deuteranopia (green-blind)

#2C508D

Tritanopia (blue-blind)

#00656C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #17588e;
/* rgb */ color: rgb(23, 88, 142);
/* oklch */ color: oklch(44.9% 0.109 248.6);

Tailwind

colors: {
  custom: {
    50: '#6986af',
    500: '#17588e',
    950: '#000000',
  },
}

SCSS

$custom: #17588e;
$custom-light: #6986af;
$custom-dark: #000000;

JSON

{
  "hex": "#17588e",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 142
  },
  "hsl": {
    "h": 207.227,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44928,
    "c": 0.10868,
    "h": 248.6
  },
  "luminance": 0.09115
}

Semantic roles & 50–950 ramp

primary

#17588E

secondary

#C07A40

accent

#8B39EF

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #17588E

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

Preview Lab → · Contrast checker → · Palette generator →