#63C7F7#63C7F7

#63C7F7 is a light, moderate cyan. Relative luminance 0.502; OKLCH L 78.8% C 0.116 H 231.6°. Best body text is #000000 at 11.04:1 contrast (WCAG AA passes).

Color values

HEX#63C7F7
RGBrgb(99, 199, 247)
HSLhsl(199, 90%, 68%)
HSVhsv(199, 60%, 97%)
CMYKcmyk(59.9%, 19.4%, 0%, 3.1%)
CIE-LABlab(76.20, -15.51, -32.44)
CIE-LCHlch(76.20, 35.96, 244.45°)
OKLaboklab(78.82% -0.0718 -0.0906)
OKLCHoklch(78.82% 0.116 231.6)
XYZxyz(42.3510, 50.2108, 95.4374)
Luminance0.5021 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C7F7 #F79363
analogous
#63F7DD #63C7F7 #637DF7
triadic
#63C7F7 #F763C7 #C7F763
tetradic
#63C7F7 #DD63F7 #F79363 #7DF763
square
#63C7F7 #DD63F7 #F79363 #7DF763
split-complementary
#63C7F7 #F7637D #F7DD63
monochromatic
#0B93D5 #29B2F4 #63C7F7 #9DDCFA #D7F1FD

Accessibility & contrast

On white

1.90
#63C7F7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.04
#63C7F7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7F7
11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C7F7#FFFFFF#000000##000000
##63C7F71.001.9011.0411.04
#FFFFFF1.901.0021.0021.00
#00000011.0421.001.001.00
##00000011.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#AFC5F9
Deuteranopia (green-blind)
#9AB5F6
Tritanopia (blue-blind)
#00D4D7
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #63c7f7;
/* rgb */ color: rgb(99, 199, 247);
/* oklch */ color: oklch(78.8% 0.116 231.6);
Tailwind
colors: {
  custom: {
    50: '#9cd8fa',
    500: '#63c7f7',
    950: '#000000',
  },
}
SCSS
$custom: #63c7f7;
$custom-light: #9cd8fa;
$custom-dark: #000000;
JSON
{
  "hex": "#63c7f7",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 247
  },
  "hsl": {
    "h": 199.459,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.78824,
    "c": 0.11563,
    "h": 231.6
  },
  "luminance": 0.50215
}

Semantic roles & 50–950 ramp

primary
#63C7F7
secondary
#CF632F
accent
#4A00E6
background
#FCFEFF
surface
#F6FBFF
border
#D0D4D7
text
#0F1417
muted
#808385

Preview Lab

Preview with #63C7F7

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

Preview Lab → · Contrast checker → · Palette generator →

#63C7F7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva