#17558E#17558E

#17558E is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.2% C 0.112 H 250.7°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX#17558E
RGBrgb(23, 85, 142)
HSLhsl(209, 72%, 32%)
HSVhsv(209, 84%, 56%)
CMYKcmyk(83.8%, 40.1%, 0%, 44.3%)
CIE-LABlab(35.26, 2.48, -36.96)
CIE-LCHlch(35.26, 37.04, 273.83°)
OKLaboklab(44.19% -0.037 -0.1056)
OKLCHoklch(44.19% 0.112 250.7)
XYZxyz(8.4825, 8.6311, 26.8048)
Luminance0.0863 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17558E #8E5017
analogous
#178E8B #17558E #171A8E
triadic
#17558E #8E1755 #558E17
tetradic
#17558E #8B178E #8E5017 #1A8E17
square
#17558E #8B178E #8E5017 #1A8E17
split-complementary
#17558E #8E171A #8E8B17
monochromatic
#061625 #0E3559 #17558E #2075C3 #3F93E0

Accessibility & contrast

On white

7.70
#17558E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.73
#17558E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17558E
7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17558E#FFFFFF#000000##FFFFFF
##17558E1.007.702.737.70
#FFFFFF7.701.0021.001.00
#0000002.7321.001.0021.00
##FFFFFF7.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#395990
Deuteranopia (green-blind)
#264E8D
Tritanopia (blue-blind)
#00636A
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #17558e;
/* rgb */ color: rgb(23, 85, 142);
/* oklch */ color: oklch(44.2% 0.112 250.7);
Tailwind
colors: {
  custom: {
    50: '#6984af',
    500: '#17558e',
    950: '#000000',
  },
}
SCSS
$custom: #17558e;
$custom-light: #6984af;
$custom-dark: #000000;
JSON
{
  "hex": "#17558e",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 142
  },
  "hsl": {
    "h": 208.739,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.44193,
    "c": 0.1119,
    "h": 250.7
  },
  "luminance": 0.08632
}

Semantic roles & 50–950 ramp

primary
#17558E
secondary
#C07E40
accent
#9039EF
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #17558E

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

Preview Lab → · Contrast checker → · Palette generator →

#17558E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva