#63B4BB#63B4BB

#63B4BB is a light, moderate teal. Relative luminance 0.389; OKLCH L 72.1% C 0.080 H 202.8°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX#63B4BB
RGBrgb(99, 180, 187)
HSLhsl(185, 39%, 56%)
HSVhsv(185, 47%, 73%)
CMYKcmyk(47.1%, 3.7%, 0%, 26.7%)
CIE-LABlab(68.66, -22.87, -11.26)
CIE-LCHlch(68.66, 25.49, 206.21°)
OKLaboklab(72.12% -0.0737 -0.031)
OKLCHoklch(72.12% 0.08 202.8)
XYZxyz(30.4330, 38.8805, 52.9050)
Luminance0.3888 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B4BB #BB6A63
analogous
#63BB96 #63B4BB #6388BB
triadic
#63B4BB #BB63B4 #B4BB63
tetradic
#63B4BB #9663BB #BB6A63 #88BB63
square
#63B4BB #9663BB #BB6A63 #88BB63
split-complementary
#63B4BB #BB6388 #BB9663
monochromatic
#326D72 #44969D #63B4BB #8EC8CE #B8DDE0

Accessibility & contrast

On white

2.39
#63B4BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.78
#63B4BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4BB
8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B4BB#FFFFFF#000000##000000
##63B4BB1.002.398.788.78
#FFFFFF2.391.0021.0021.00
#0000008.7821.001.001.00
##0000008.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9AEBC
Deuteranopia (green-blind)
#9AA3BB
Tritanopia (blue-blind)
#33BAB6
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #63b4bb;
/* rgb */ color: rgb(99, 180, 187);
/* oklch */ color: oklch(72.1% 0.080 202.8);
Tailwind
colors: {
  custom: {
    50: '#95cacf',
    500: '#63b4bb',
    950: '#000000',
  },
}
SCSS
$custom: #63b4bb;
$custom-light: #95cacf;
$custom-dark: #000000;
JSON
{
  "hex": "#63b4bb",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 187
  },
  "hsl": {
    "h": 184.773,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.72116,
    "c": 0.07995,
    "h": 202.8
  },
  "luminance": 0.38883
}

Semantic roles & 50–950 ramp

primary
#63B4BB
secondary
#CFAEAB
accent
#6259CF
background
#F9FCFC
surface
#F2F8F9
border
#CCD1D2
text
#0E1313
muted
#7E8282

Preview Lab

Preview with #63B4BB

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

Preview Lab → · Contrast checker → · Palette generator →

#63B4BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva