#63D1ED#63D1ED

#63D1ED is a light, moderate cyan. Relative luminance 0.544; OKLCH L 80.7% C 0.107 H 217.0°. Best body text is #000000 at 11.87:1 contrast (WCAG AA passes).

Color values

HEX#63D1ED
RGBrgb(99, 209, 237)
HSLhsl(192, 79%, 66%)
HSVhsv(192, 58%, 93%)
CMYKcmyk(58.2%, 11.8%, 0%, 7.1%)
CIE-LABlab(78.67, -23.57, -23.29)
CIE-LCHlch(78.67, 33.13, 224.66°)
OKLaboklab(80.68% -0.0859 -0.0646)
OKLCHoklch(80.68% 0.107 217)
XYZxyz(43.2260, 54.3637, 88.3196)
Luminance0.5437 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63D1ED #ED7F63
analogous
#63EDC4 #63D1ED #638CED
triadic
#63D1ED #ED63D1 #D1ED63
tetradic
#63D1ED #C463ED #ED7F63 #8CED63
square
#63D1ED #C463ED #ED7F63 #8CED63
split-complementary
#63D1ED #ED638C #EDC463
monochromatic
#169DC0 #2CC1E7 #63D1ED #9AE1F3 #D1F1FA

Accessibility & contrast

On white

1.77
#63D1ED on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.87
#63D1ED on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D1ED
11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63D1ED#FFFFFF#000000##000000
##63D1ED1.001.7711.8711.87
#FFFFFF1.771.0021.0021.00
#00000011.8721.001.001.00
##00000011.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#BECBEF
Deuteranopia (green-blind)
#AABCED
Tritanopia (blue-blind)
#00DBDA
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #63d1ed;
/* rgb */ color: rgb(99, 209, 237);
/* oklch */ color: oklch(80.7% 0.107 217.0);
Tailwind
colors: {
  custom: {
    50: '#9bdff2',
    500: '#63d1ed',
    950: '#000000',
  },
}
SCSS
$custom: #63d1ed;
$custom-light: #9bdff2;
$custom-dark: #000000;
JSON
{
  "hex": "#63d1ed",
  "rgb": {
    "r": 99,
    "g": 209,
    "b": 237
  },
  "hsl": {
    "h": 192.174,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.80682,
    "c": 0.10749,
    "h": 217
  },
  "luminance": 0.54368
}

Semantic roles & 50–950 ramp

primary
#63D1ED
secondary
#BE5236
accent
#340ADC
background
#FCFEFF
surface
#F6FCFE
border
#D0D5D6
text
#0F1517
muted
#808485

Preview Lab

Preview with #63D1ED

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

Preview Lab → · Contrast checker → · Palette generator →

#63D1ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva