#63D7F9#63D7F9

#63D7F9 is a very light, moderate cyan. Relative luminance 0.581; OKLCH L 82.5% C 0.114 H 220.0°. Best body text is #000000 at 12.62:1 contrast (WCAG AA passes).

Color values

HEX#63D7F9
RGBrgb(99, 215, 249)
HSLhsl(194, 93%, 68%)
HSVhsv(194, 60%, 98%)
CMYKcmyk(60.2%, 13.7%, 0%, 2.4%)
CIE-LABlab(80.79, -23.10, -26.46)
CIE-LCHlch(80.79, 35.13, 228.88°)
OKLaboklab(82.51% -0.0876 -0.0736)
OKLCHoklch(82.51% 0.114 220)
XYZxyz(46.5381, 58.0884, 98.3638)
Luminance0.5809 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63D7F9 #F98563
analogous
#63F9D0 #63D7F9 #638CF9
triadic
#63D7F9 #F963D7 #D7F963
tetradic
#63D7F9 #D063F9 #F98563 #8CF963
square
#63D7F9 #D063F9 #F98563 #8CF963
split-complementary
#63D7F9 #F9638C #F9D063
monochromatic
#08AAD9 #28C8F7 #63D7F9 #9EE6FB #D9F5FE

Accessibility & contrast

On white

1.66
#63D7F9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.62
#63D7F9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D7F9
12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63D7F9#FFFFFF#000000##000000
##63D7F91.001.6612.6212.62
#FFFFFF1.661.0021.0021.00
#00000012.6221.001.001.00
##00000012.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2D2FB
Deuteranopia (green-blind)
#ACC2F9
Tritanopia (blue-blind)
#00E2E2
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #63d7f9;
/* rgb */ color: rgb(99, 215, 249);
/* oklch */ color: oklch(82.5% 0.114 220.0);
Tailwind
colors: {
  custom: {
    50: '#9de3fb',
    500: '#63d7f9',
    950: '#000000',
  },
}
SCSS
$custom: #63d7f9;
$custom-light: #9de3fb;
$custom-dark: #000000;
JSON
{
  "hex": "#63d7f9",
  "rgb": {
    "r": 99,
    "g": 215,
    "b": 249
  },
  "hsl": {
    "h": 193.6,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.82513,
    "c": 0.11441,
    "h": 220
  },
  "luminance": 0.58093
}

Semantic roles & 50–950 ramp

primary
#63D7F9
secondary
#D2532E
accent
#3400E6
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #63D7F9

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

Preview Lab → · Contrast checker → · Palette generator →

#63D7F9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva