#17558C#17558C

#17558C is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.1% C 0.109 H 249.9°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX#17558C
RGBrgb(23, 85, 140)
HSLhsl(208, 72%, 32%)
HSVhsv(208, 84%, 55%)
CMYKcmyk(83.6%, 39.3%, 0%, 45.1%)
CIE-LABlab(35.15, 1.67, -35.93)
CIE-LCHlch(35.15, 35.97, 272.66°)
OKLaboklab(44.06% -0.0375 -0.1026)
OKLCHoklch(44.06% 0.109 249.9)
XYZxyz(8.3337, 8.5716, 26.0211)
Luminance0.0857 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17558C #8C4E17
analogous
#178C89 #17558C #171B8C
triadic
#17558C #8C1755 #558C17
tetradic
#17558C #89178C #8C4E17 #1B8C17
square
#17558C #89178C #8C4E17 #1B8C17
split-complementary
#17558C #8C171B #8C8917
monochromatic
#061523 #0E3557 #17558C #2075C1 #3E94DF

Accessibility & contrast

On white

7.74
#17558C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#17558C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17558C
7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17558C#FFFFFF#000000##FFFFFF
##17558C1.007.742.717.74
#FFFFFF7.741.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B588E
Deuteranopia (green-blind)
#284E8B
Tritanopia (blue-blind)
#006269
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #17558c;
/* rgb */ color: rgb(23, 85, 140);
/* oklch */ color: oklch(44.1% 0.109 249.9);
Tailwind
colors: {
  custom: {
    50: '#6984ae',
    500: '#17558c',
    950: '#000000',
  },
}
SCSS
$custom: #17558c;
$custom-light: #6984ae;
$custom-dark: #000000;
JSON
{
  "hex": "#17558c",
  "rgb": {
    "r": 23,
    "g": 85,
    "b": 140
  },
  "hsl": {
    "h": 208.205,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.44062,
    "c": 0.10924,
    "h": 249.9
  },
  "luminance": 0.08573
}

Semantic roles & 50–950 ramp

primary
#17558C
secondary
#BF7C3F
accent
#8E39EF
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#070A10
muted
#7A7C7F

Preview Lab

Preview with #17558C

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

Preview Lab → · Contrast checker → · Palette generator →

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