#63C8F5#63C8F5

#63C8F5 is a light, moderate cyan. Relative luminance 0.506; OKLCH L 79.0% C 0.114 H 229.7°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX#63C8F5
RGBrgb(99, 200, 245)
HSLhsl(198, 88%, 67%)
HSVhsv(198, 60%, 96%)
CMYKcmyk(59.6%, 18.4%, 0%, 3.9%)
CIE-LABlab(76.41, -16.63, -31.05)
CIE-LCHlch(76.41, 35.22, 241.82°)
OKLaboklab(78.96% -0.0735 -0.0867)
OKLCHoklch(78.96% 0.114 229.7)
XYZxyz(42.2749, 50.5496, 93.8977)
Luminance0.5055 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C8F5 #F59063
analogous
#63F5D9 #63C8F5 #637FF5
triadic
#63C8F5 #F563C8 #C8F563
tetradic
#63C8F5 #D963F5 #F59063 #7FF563
square
#63C8F5 #D963F5 #F59063 #7FF563
split-complementary
#63C8F5 #F5637F #F5D963
monochromatic
#0D94D0 #29B4F1 #63C8F5 #9DDCF9 #D6F1FC

Accessibility & contrast

On white

1.89
#63C8F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.11
#63C8F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8F5
11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C8F5#FFFFFF#000000##000000
##63C8F51.001.8911.1111.11
#FFFFFF1.891.0021.0021.00
#00000011.1121.001.001.00
##00000011.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B1C5F7
Deuteranopia (green-blind)
#9CB6F4
Tritanopia (blue-blind)
#00D5D7
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #63c8f5;
/* rgb */ color: rgb(99, 200, 245);
/* oklch */ color: oklch(79.0% 0.114 229.7);
Tailwind
colors: {
  custom: {
    50: '#9bd8f8',
    500: '#63c8f5',
    950: '#000000',
  },
}
SCSS
$custom: #63c8f5;
$custom-light: #9bd8f8;
$custom-dark: #000000;
JSON
{
  "hex": "#63c8f5",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 245
  },
  "hsl": {
    "h": 198.493,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.78964,
    "c": 0.11365,
    "h": 229.7
  },
  "luminance": 0.50554
}

Semantic roles & 50–950 ramp

primary
#63C8F5
secondary
#CC6030
accent
#4701E5
background
#FCFEFF
surface
#F6FBFF
border
#D0D4D7
text
#0F1417
muted
#808385

Preview Lab

Preview with #63C8F5

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

Preview Lab → · Contrast checker → · Palette generator →

#63C8F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva