#63C4E7#63C4E7

#63C4E7 is a light, moderate cyan. Relative luminance 0.479; OKLCH L 77.5% C 0.104 H 224.3°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX#63C4E7
RGBrgb(99, 196, 231)
HSLhsl(196, 73%, 65%)
HSVhsv(196, 57%, 91%)
CMYKcmyk(57.1%, 15.2%, 0%, 9.4%)
CIE-LABlab(74.76, -18.70, -26.04)
CIE-LCHlch(74.76, 32.06, 234.31°)
OKLaboklab(77.48% -0.0743 -0.0724)
OKLCHoklch(77.48% 0.104 224.3)
XYZxyz(39.3037, 47.8983, 82.7598)
Luminance0.4790 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C4E7 #E78663
analogous
#63E7C8 #63C4E7 #6382E7
triadic
#63C4E7 #E763C4 #C4E763
tetradic
#63C4E7 #C863E7 #E78663 #82E763
square
#63C4E7 #C863E7 #E78663 #82E763
split-complementary
#63C4E7 #E76382 #E7C863
monochromatic
#1C8CB4 #2EB0DF #63C4E7 #98D8EF #CDECF7

Accessibility & contrast

On white

1.98
#63C4E7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.58
#63C4E7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4E7
10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C4E7#FFFFFF#000000##000000
##63C4E71.001.9810.5810.58
#FFFFFF1.981.0021.0021.00
#00000010.5821.001.001.00
##00000010.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0C0E9
Deuteranopia (green-blind)
#9DB2E7
Tritanopia (blue-blind)
#00CFCF
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #63c4e7;
/* rgb */ color: rgb(99, 196, 231);
/* oklch */ color: oklch(77.5% 0.104 224.3);
Tailwind
colors: {
  custom: {
    50: '#9ad6ee',
    500: '#63c4e7',
    950: '#000000',
  },
}
SCSS
$custom: #63c4e7;
$custom-light: #9ad6ee;
$custom-dark: #000000;
JSON
{
  "hex": "#63c4e7",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 231
  },
  "hsl": {
    "h": 195.909,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.77484,
    "c": 0.10378,
    "h": 224.3
  },
  "luminance": 0.47902
}

Semantic roles & 50–950 ramp

primary
#63C4E7
secondary
#EAC8BC
accent
#4410D5
background
#FAFDFE
surface
#F3FAFD
border
#CDD3D5
text
#0F1416
muted
#7F8384

Preview Lab

Preview with #63C4E7

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

Preview Lab → · Contrast checker → · Palette generator →

#63C4E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva