#15637F#15637F

#15637F is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 46.8% C 0.084 H 227.8°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX#15637F
RGBrgb(21, 99, 127)
HSLhsl(196, 72%, 29%)
HSVhsv(196, 83%, 50%)
CMYKcmyk(83.5%, 22%, 0%, 50.2%)
CIE-LABlab(38.92, -12.27, -22.07)
CIE-LCHlch(38.92, 25.25, 240.94°)
OKLaboklab(46.82% -0.0563 -0.0621)
OKLCHoklch(46.82% 0.084 227.8)
XYZxyz(8.6003, 10.6143, 21.6701)
Luminance0.1061 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15637F #7F3115
analogous
#157F66 #15637F #152E7F
triadic
#15637F #7F1563 #637F15
tetradic
#15637F #66157F #7F3115 #2E7F15
square
#15637F #66157F #7F3115 #2E7F15
split-complementary
#15637F #7F152E #7F6615
monochromatic
#04141A #0C3A4A #15637F #1E8CB4 #31B0DD

Accessibility & contrast

On white

6.72
#15637F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#15637F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15637F
6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15637F#FFFFFF#000000##FFFFFF
##15637F1.006.723.126.72
#FFFFFF6.721.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#546180
Deuteranopia (green-blind)
#46577F
Tritanopia (blue-blind)
#006B6C
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #15637f;
/* rgb */ color: rgb(21, 99, 127);
/* oklch */ color: oklch(46.8% 0.084 227.8);
Tailwind
colors: {
  custom: {
    50: '#668fa4',
    500: '#15637f',
    950: '#000000',
  },
}
SCSS
$custom: #15637f;
$custom-light: #668fa4;
$custom-dark: #000000;
JSON
{
  "hex": "#15637f",
  "rgb": {
    "r": 21,
    "g": 99,
    "b": 127
  },
  "hsl": {
    "h": 195.849,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.46824,
    "c": 0.08377,
    "h": 227.8
  },
  "luminance": 0.10615
}

Semantic roles & 50–950 ramp

primary
#15637F
secondary
#B45C3C
accent
#6939EE
background
#F6F8FA
surface
#EBF0F4
border
#C6CBCE
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #15637F

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

Preview Lab → · Contrast checker → · Palette generator →

#15637F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva