#15657C#15657C

#15657C is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.081 H 222.5°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX#15657C
RGBrgb(21, 101, 124)
HSLhsl(193, 71%, 28%)
HSVhsv(193, 83%, 49%)
CMYKcmyk(83.1%, 18.5%, 0%, 51.4%)
CIE-LABlab(39.45, -14.53, -19.44)
CIE-LCHlch(39.45, 24.27, 233.22°)
OKLaboklab(47.2% -0.0595 -0.0545)
OKLCHoklch(47.2% 0.081 222.5)
XYZxyz(8.5995, 10.9210, 20.7196)
Luminance0.1092 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15657C #7C2C15
analogous
#157C5F #15657C #15317C
triadic
#15657C #7C1565 #657C15
tetradic
#15657C #5F157C #7C2C15 #317C15
square
#15657C #5F157C #7C2C15 #317C15
split-complementary
#15657C #7C1531 #7C5F15
monochromatic
#04151A #0C3A48 #15657C #1E90B0 #30B5DC

Accessibility & contrast

On white

6.59
#15657C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.18
#15657C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15657C
6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15657C#FFFFFF#000000##FFFFFF
##15657C1.006.593.186.59
#FFFFFF6.591.0021.001.00
#0000003.1821.001.0021.00
##FFFFFF6.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#58627D
Deuteranopia (green-blind)
#4A597C
Tritanopia (blue-blind)
#006C6C
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #15657c;
/* rgb */ color: rgb(21, 101, 124);
/* oklch */ color: oklch(47.2% 0.081 222.5);
Tailwind
colors: {
  custom: {
    50: '#6691a2',
    500: '#15657c',
    950: '#000000',
  },
}
SCSS
$custom: #15657c;
$custom-light: #6691a2;
$custom-dark: #000000;
JSON
{
  "hex": "#15657c",
  "rgb": {
    "r": 21,
    "g": 101,
    "b": 124
  },
  "hsl": {
    "h": 193.398,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.47201,
    "c": 0.0807,
    "h": 222.5
  },
  "luminance": 0.10922
}

Semantic roles & 50–950 ramp

primary
#15657C
secondary
#B1563C
accent
#623AEE
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0F
muted
#7A7D7E

Preview Lab

Preview with #15657C

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

Preview Lab → · Contrast checker → · Palette generator →

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