#15657F#15657F

#15657F is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.3% C 0.083 H 225.4°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX#15657F
RGBrgb(21, 101, 127)
HSLhsl(195, 72%, 29%)
HSVhsv(195, 83%, 50%)
CMYKcmyk(83.5%, 20.5%, 0%, 50.2%)
CIE-LABlab(39.58, -13.43, -21.06)
CIE-LCHlch(39.58, 24.98, 237.48°)
OKLaboklab(47.35% -0.0583 -0.0591)
OKLCHoklch(47.35% 0.083 225.4)
XYZxyz(8.7921, 10.9980, 21.7340)
Luminance0.1100 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15657F #7F2F15
analogous
#157F64 #15657F #15307F
triadic
#15657F #7F1565 #657F15
tetradic
#15657F #64157F #7F2F15 #307F15
square
#15657F #64157F #7F2F15 #307F15
split-complementary
#15657F #7F1530 #7F6415
monochromatic
#04151A #0C3B4A #15657F #1E8FB4 #31B3DD

Accessibility & contrast

On white

6.56
#15657F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#15657F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15657F
6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15657F#FFFFFF#000000##FFFFFF
##15657F1.006.563.206.56
#FFFFFF6.561.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#576380
Deuteranopia (green-blind)
#49597F
Tritanopia (blue-blind)
#006D6E
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #15657f;
/* rgb */ color: rgb(21, 101, 127);
/* oklch */ color: oklch(47.3% 0.083 225.4);
Tailwind
colors: {
  custom: {
    50: '#6691a4',
    500: '#15657f',
    950: '#000000',
  },
}
SCSS
$custom: #15657f;
$custom-light: #6691a4;
$custom-dark: #000000;
JSON
{
  "hex": "#15657f",
  "rgb": {
    "r": 21,
    "g": 101,
    "b": 127
  },
  "hsl": {
    "h": 194.717,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.47348,
    "c": 0.08304,
    "h": 225.4
  },
  "luminance": 0.10999
}

Semantic roles & 50–950 ramp

primary
#15657F
secondary
#B4593C
accent
#6639EE
background
#F6F8FA
surface
#EBF0F4
border
#C6CBCE
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #15657F

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

Preview Lab → · Contrast checker → · Palette generator →

#15657F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva