#175780#175780

#175780 is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.8% C 0.092 H 242.1°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX#175780
RGBrgb(23, 87, 128)
HSLhsl(203, 70%, 30%)
HSVhsv(203, 82%, 50%)
CMYKcmyk(82%, 32%, 0%, 49.8%)
CIE-LABlab(35.12, -4.39, -28.63)
CIE-LCHlch(35.12, 28.97, 261.29°)
OKLaboklab(43.82% -0.043 -0.0812)
OKLCHoklch(43.82% 0.092 242.1)
XYZxyz(7.6563, 8.5561, 21.6659)
Luminance0.0856 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#175780 #804017
analogous
#178075 #175780 #172280
triadic
#175780 #801757 #578017
tetradic
#175780 #751780 #804017 #228017
square
#175780 #751780 #804017 #228017
split-complementary
#175780 #801722 #807517
monochromatic
#05121A #0E344C #175780 #207AB4 #369BDB

Accessibility & contrast

On white

7.75
#175780 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#175780 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175780
7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##175780#FFFFFF#000000##FFFFFF
##1757801.007.752.717.75
#FFFFFF7.751.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#445882
Deuteranopia (green-blind)
#354E7F
Tritanopia (blue-blind)
#006166
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #175780;
/* rgb */ color: rgb(23, 87, 128);
/* oklch */ color: oklch(43.8% 0.092 242.1);
Tailwind
colors: {
  custom: {
    50: '#6686a5',
    500: '#175780',
    950: '#000000',
  },
}
SCSS
$custom: #175780;
$custom-light: #6686a5;
$custom-dark: #000000;
JSON
{
  "hex": "#175780",
  "rgb": {
    "r": 23,
    "g": 87,
    "b": 128
  },
  "hsl": {
    "h": 203.429,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.4382,
    "c": 0.0919,
    "h": 242.1
  },
  "luminance": 0.08557
}

Semantic roles & 50–950 ramp

primary
#175780
secondary
#B46C3E
accent
#813BEC
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #175780

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

Preview Lab → · Contrast checker → · Palette generator →

#175780 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva