#15B5CA#15B5CA

#15B5CA is a light, moderate teal. Relative luminance 0.375; OKLCH L 70.9% C 0.120 H 209.7°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#15B5CA
RGBrgb(21, 181, 202)
HSLhsl(187, 81%, 44%)
HSVhsv(187, 90%, 79%)
CMYKcmyk(89.6%, 10.4%, 0%, 20.8%)
CIE-LABlab(67.63, -29.80, -21.27)
CIE-LCHlch(67.63, 36.62, 215.52°)
OKLaboklab(70.93% -0.104 -0.0594)
OKLCHoklch(70.93% 0.12 209.7)
XYZxyz(27.4891, 37.4678, 61.6488)
Luminance0.3747 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15B5CA #CA2A15
analogous
#15CA84 #15B5CA #155ACA
triadic
#15B5CA #CA15B5 #B5CA15
tetradic
#15B5CA #8415CA #CA2A15 #5ACA15
square
#15B5CA #8415CA #CA2A15 #5ACA15
split-complementary
#15B5CA #CA155A #CA8415
monochromatic
#09525B #0F8393 #15B5CA #32D4EA #6AE0EF

Accessibility & contrast

On white

2.47
#15B5CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.49
#15B5CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #15B5CA
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15B5CA#FFFFFF#000000##000000
##15B5CA1.002.478.498.49
#FFFFFF2.471.0021.0021.00
#0000008.4921.001.001.00
##0000008.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3AECB
Deuteranopia (green-blind)
#8D9ECA
Tritanopia (blue-blind)
#00BEBB
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #15b5ca;
/* rgb */ color: rgb(21, 181, 202);
/* oklch */ color: oklch(70.9% 0.120 209.7);
Tailwind
colors: {
  custom: {
    50: '#7bcbda',
    500: '#15b5ca',
    950: '#000000',
  },
}
SCSS
$custom: #15b5ca;
$custom-light: #7bcbda;
$custom-dark: #000000;
JSON
{
  "hex": "#15b5ca",
  "rgb": {
    "r": 21,
    "g": 181,
    "b": 202
  },
  "hsl": {
    "h": 186.961,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.70926,
    "c": 0.11976,
    "h": 209.7
  },
  "luminance": 0.37471
}

Semantic roles & 50–950 ramp

primary
#15B5CA
secondary
#D57366
accent
#4730F8
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1314
muted
#7D8283

Preview Lab

Preview with #15B5CA

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

Preview Lab → · Contrast checker → · Palette generator →

#15B5CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva