#17637D#17637D

#17637D is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.8% C 0.081 H 226.2°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#17637D
RGBrgb(23, 99, 125)
HSLhsl(195, 69%, 29%)
HSVhsv(195, 82%, 49%)
CMYKcmyk(81.6%, 20.8%, 0%, 51%)
CIE-LABlab(38.87, -12.79, -20.93)
CIE-LCHlch(38.87, 24.53, 238.57°)
OKLaboklab(46.77% -0.0563 -0.0588)
OKLCHoklch(46.77% 0.081 226.2)
XYZxyz(8.5153, 10.5855, 20.9925)
Luminance0.1059 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17637D #7D3117
analogous
#177D64 #17637D #17307D
triadic
#17637D #7D1763 #637D17
tetradic
#17637D #64177D #7D3117 #307D17
square
#17637D #64177D #7D3117 #307D17
split-complementary
#17637D #7D1730 #7D6417
monochromatic
#05141A #0D3A49 #17637D #218CB1 #35B0DA

Accessibility & contrast

On white

6.74
#17637D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#17637D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #17637D
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17637D#FFFFFF#000000##FFFFFF
##17637D1.006.743.126.74
#FFFFFF6.741.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#55617E
Deuteranopia (green-blind)
#47577D
Tritanopia (blue-blind)
#006B6C
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #17637d;
/* rgb */ color: rgb(23, 99, 125);
/* oklch */ color: oklch(46.8% 0.081 226.2);
Tailwind
colors: {
  custom: {
    50: '#668fa2',
    500: '#17637d',
    950: '#000000',
  },
}
SCSS
$custom: #17637d;
$custom-light: #668fa2;
$custom-dark: #000000;
JSON
{
  "hex": "#17637d",
  "rgb": {
    "r": 23,
    "g": 99,
    "b": 125
  },
  "hsl": {
    "h": 195.294,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.46766,
    "c": 0.08136,
    "h": 226.2
  },
  "luminance": 0.10587
}

Semantic roles & 50–950 ramp

primary
#17637D
secondary
#B25C3E
accent
#693CEC
background
#F6F8FA
surface
#EBF0F3
border
#C6CBCD
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #17637D

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

Preview Lab → · Contrast checker → · Palette generator →

#17637D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva