#63B4BC#63B4BC

#63B4BC is a light, moderate teal. Relative luminance 0.389; OKLCH L 72.2% C 0.080 H 203.9°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX#63B4BC
RGBrgb(99, 180, 188)
HSLhsl(185, 40%, 56%)
HSVhsv(185, 47%, 74%)
CMYKcmyk(47.3%, 4.3%, 0%, 26.3%)
CIE-LABlab(68.70, -22.60, -11.76)
CIE-LCHlch(68.70, 25.48, 207.49°)
OKLaboklab(72.15% -0.0733 -0.0324)
OKLCHoklch(72.15% 0.08 203.9)
XYZxyz(30.5404, 38.9235, 53.4708)
Luminance0.3893 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B4BC #BC6B63
analogous
#63BC98 #63B4BC #6388BC
triadic
#63B4BC #BC63B4 #B4BC63
tetradic
#63B4BC #9863BC #BC6B63 #88BC63
square
#63B4BC #9863BC #BC6B63 #88BC63
split-complementary
#63B4BC #BC6388 #BC9863
monochromatic
#316D73 #44969E #63B4BC #8EC9CE #B9DDE1

Accessibility & contrast

On white

2.39
#63B4BC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.79
#63B4BC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4BC
8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B4BC#FFFFFF#000000##000000
##63B4BC1.002.398.798.79
#FFFFFF2.391.0021.0021.00
#0000008.7921.001.001.00
##0000008.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9AEBD
Deuteranopia (green-blind)
#9AA3BC
Tritanopia (blue-blind)
#32BAB6
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #63b4bc;
/* rgb */ color: rgb(99, 180, 188);
/* oklch */ color: oklch(72.2% 0.080 203.9);
Tailwind
colors: {
  custom: {
    50: '#95cad0',
    500: '#63b4bc',
    950: '#000000',
  },
}
SCSS
$custom: #63b4bc;
$custom-light: #95cad0;
$custom-dark: #000000;
JSON
{
  "hex": "#63b4bc",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 188
  },
  "hsl": {
    "h": 185.393,
    "s": 39.91,
    "l": 56.275
  },
  "oklch": {
    "l": 0.72151,
    "c": 0.08012,
    "h": 203.9
  },
  "luminance": 0.38926
}

Semantic roles & 50–950 ramp

primary
#63B4BC
secondary
#D0AEAB
accent
#6358D0
background
#F9FCFC
surface
#F2F8F9
border
#CCD1D2
text
#0E1314
muted
#7E8282

Preview Lab

Preview with #63B4BC

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

Preview Lab → · Contrast checker → · Palette generator →

#63B4BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva