#17588D#17588D

#17588D is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.9% C 0.107 H 248.1°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX#17588D
RGBrgb(23, 88, 141)
HSLhsl(207, 72%, 32%)
HSVhsv(207, 84%, 55%)
CMYKcmyk(83.7%, 37.6%, 0%, 44.7%)
CIE-LABlab(36.14, 0.13, -34.95)
CIE-LCHlch(36.14, 34.95, 270.22°)
OKLaboklab(44.87% -0.04 -0.0996)
OKLCHoklch(44.87% 0.107 248.1)
XYZxyz(8.6489, 9.0836, 26.4916)
Luminance0.0909 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17588D #8D4C17
analogous
#178D87 #17588D #171D8D
triadic
#17588D #8D1758 #588D17
tetradic
#17588D #87178D #8D4C17 #1D8D17
square
#17588D #87178D #8D4C17 #1D8D17
split-complementary
#17588D #8D171D #8D8717
monochromatic
#061624 #0E3758 #17588D #2079C2 #3F97E0

Accessibility & contrast

On white

7.45
#17588D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.82
#17588D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17588D
7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17588D#FFFFFF#000000##FFFFFF
##17588D1.007.452.827.45
#FFFFFF7.451.0021.001.00
#0000002.8221.001.0021.00
##FFFFFF7.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F5B8F
Deuteranopia (green-blind)
#2D508C
Tritanopia (blue-blind)
#00656B
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #17588d;
/* rgb */ color: rgb(23, 88, 141);
/* oklch */ color: oklch(44.9% 0.107 248.1);
Tailwind
colors: {
  custom: {
    50: '#6986ae',
    500: '#17588d',
    950: '#000000',
  },
}
SCSS
$custom: #17588d;
$custom-light: #6986ae;
$custom-dark: #000000;
JSON
{
  "hex": "#17588d",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 141
  },
  "hsl": {
    "h": 206.949,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.44865,
    "c": 0.10737,
    "h": 248.1
  },
  "luminance": 0.09085
}

Semantic roles & 50–950 ramp

primary
#17588D
secondary
#C07940
accent
#8B39EF
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #17588D

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

Preview Lab → · Contrast checker → · Palette generator →

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