#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
RGBrgb(23, 88, 142)
HSLhsl(207, 72%, 32%)
HSVhsv(207, 84%, 56%)
CMYKcmyk(83.8%, 38%, 0%, 44.3%)
CIE-LABlab(36.20, 0.53, -35.47)
CIE-LCHlch(36.20, 35.47, 270.86°)
OKLaboklab(44.93% -0.0397 -0.1012)
OKLCHoklch(44.93% 0.109 248.6)
XYZxyz(8.7237, 9.1135, 26.8852)
Luminance0.0911 (WCAG relative)
Temperaturecool
Familycyan

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
##17588E1.007.442.827.44
#FFFFFF7.441.0021.001.00
#0000002.8221.001.0021.00
##FFFFFF7.441.0021.001.00

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 →

#17588E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva