#63C4DC#63C4DC

#63C4DC is a light, moderate cyan. Relative luminance 0.473; OKLCH L 77.1% C 0.097 H 216.1°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX#63C4DC
RGBrgb(99, 196, 220)
HSLhsl(192, 63%, 63%)
HSVhsv(192, 55%, 86%)
CMYKcmyk(55%, 10.9%, 0%, 13.7%)
CIE-LABlab(74.38, -21.87, -20.67)
CIE-LCHlch(74.38, 30.10, 223.38°)
OKLaboklab(77.05% -0.0785 -0.0573)
OKLCHoklch(77.05% 0.097 216.1)
XYZxyz(37.7987, 47.2963, 74.8334)
Luminance0.4730 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C4DC #DC7B63
analogous
#63DCB8 #63C4DC #6387DC
triadic
#63C4DC #DC63C4 #C4DC63
tetradic
#63C4DC #B863DC #DC7B63 #87DC63
square
#63C4DC #B863DC #DC7B63 #87DC63
split-complementary
#63C4DC #DC6387 #DCB863
monochromatic
#2488A1 #31B1D1 #63C4DC #95D7E7 #C7EAF2

Accessibility & contrast

On white

2.01
#63C4DC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.46
#63C4DC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4DC
10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C4DC#FFFFFF#000000##000000
##63C4DC1.002.0110.4610.46
#FFFFFF2.011.0021.0021.00
#00000010.4621.001.001.00
##00000010.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B3BFDD
Deuteranopia (green-blind)
#A1B1DC
Tritanopia (blue-blind)
#00CDCB
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #63c4dc;
/* rgb */ color: rgb(99, 196, 220);
/* oklch */ color: oklch(77.1% 0.097 216.1);
Tailwind
colors: {
  custom: {
    50: '#99d6e6',
    500: '#63c4dc',
    950: '#000000',
  },
}
SCSS
$custom: #63c4dc;
$custom-light: #99d6e6;
$custom-dark: #000000;
JSON
{
  "hex": "#63c4dc",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 220
  },
  "hsl": {
    "h": 191.901,
    "s": 63.351,
    "l": 62.549
  },
  "oklch": {
    "l": 0.77052,
    "c": 0.09716,
    "h": 216.1
  },
  "luminance": 0.473
}

Semantic roles & 50–950 ramp

primary
#63C4DC
secondary
#E3C0B7
accent
#3D1ACB
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0F1416
muted
#7E8384

Preview Lab

Preview with #63C4DC

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

Preview Lab → · Contrast checker → · Palette generator →

#63C4DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva