#63D0F3#63D0F3

#63D0F3 is a light, moderate cyan. Relative luminance 0.542; OKLCH L 80.7% C 0.111 H 221.9°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX#63D0F3
RGBrgb(99, 208, 243)
HSLhsl(195, 86%, 67%)
HSVhsv(195, 59%, 95%)
CMYKcmyk(59.3%, 14.4%, 0%, 4.7%)
CIE-LABlab(78.60, -21.33, -26.62)
CIE-LCHlch(78.60, 34.11, 231.30°)
OKLaboklab(80.69% -0.0826 -0.074)
OKLCHoklch(80.69% 0.111 221.9)
XYZxyz(43.8727, 54.2311, 92.9322)
Luminance0.5423 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63D0F3 #F38663
analogous
#63F3CE #63D0F3 #6388F3
triadic
#63D0F3 #F363D0 #D0F363
tetradic
#63D0F3 #CE63F3 #F38663 #88F363
square
#63D0F3 #CE63F3 #F38663 #88F363
split-complementary
#63D0F3 #F36388 #F3CE63
monochromatic
#109ECC #2ABFEF #63D0F3 #9CE1F7 #D5F2FC

Accessibility & contrast

On white

1.77
#63D0F3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.85
#63D0F3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D0F3
11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63D0F3#FFFFFF#000000##000000
##63D0F31.001.7711.8511.85
#FFFFFF1.771.0021.0021.00
#00000011.8521.001.001.00
##00000011.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBCBF5
Deuteranopia (green-blind)
#A7BCF3
Tritanopia (blue-blind)
#00DBDB
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #63d0f3;
/* rgb */ color: rgb(99, 208, 243);
/* oklch */ color: oklch(80.7% 0.111 221.9);
Tailwind
colors: {
  custom: {
    50: '#9cdef7',
    500: '#63d0f3',
    950: '#000000',
  },
}
SCSS
$custom: #63d0f3;
$custom-light: #9cdef7;
$custom-dark: #000000;
JSON
{
  "hex": "#63d0f3",
  "rgb": {
    "r": 99,
    "g": 208,
    "b": 243
  },
  "hsl": {
    "h": 194.583,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.80689,
    "c": 0.11091,
    "h": 221.9
  },
  "luminance": 0.54235
}

Semantic roles & 50–950 ramp

primary
#63D0F3
secondary
#C85732
accent
#3903E2
background
#FCFEFF
surface
#F6FCFE
border
#D0D5D6
text
#0F1517
muted
#808485

Preview Lab

Preview with #63D0F3

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

Preview Lab → · Contrast checker → · Palette generator →

#63D0F3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva