#63CCF3#63CCF3

#63CCF3 is a light, moderate cyan. Relative luminance 0.523; OKLCH L 79.8% C 0.111 H 225.2°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX#63CCF3
RGBrgb(99, 204, 243)
HSLhsl(196, 86%, 67%)
HSVhsv(196, 59%, 95%)
CMYKcmyk(59.3%, 16%, 0%, 4.7%)
CIE-LABlab(77.46, -19.29, -28.35)
CIE-LCHlch(77.46, 34.29, 235.77°)
OKLaboklab(79.78% -0.0784 -0.079)
OKLCHoklch(79.78% 0.111 225.2)
XYZxyz(42.9098, 52.3052, 92.6112)
Luminance0.5231 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CCF3 #F38A63
analogous
#63F3D2 #63CCF3 #6384F3
triadic
#63CCF3 #F363CC #CCF363
tetradic
#63CCF3 #D263F3 #F38A63 #84F363
square
#63CCF3 #D263F3 #F38A63 #84F363
split-complementary
#63CCF3 #F36384 #F3D263
monochromatic
#1099CC #2AB9EF #63CCF3 #9CDFF7 #D5F1FC

Accessibility & contrast

On white

1.83
#63CCF3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.46
#63CCF3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CCF3
11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CCF3#FFFFFF#000000##000000
##63CCF31.001.8311.4611.46
#FFFFFF1.831.0021.0021.00
#00000011.4621.001.001.00
##00000011.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7C8F5
Deuteranopia (green-blind)
#A2B9F3
Tritanopia (blue-blind)
#00D8D9
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #63ccf3;
/* rgb */ color: rgb(99, 204, 243);
/* oklch */ color: oklch(79.8% 0.111 225.2);
Tailwind
colors: {
  custom: {
    50: '#9bdbf7',
    500: '#63ccf3',
    950: '#000000',
  },
}
SCSS
$custom: #63ccf3;
$custom-light: #9bdbf7;
$custom-dark: #000000;
JSON
{
  "hex": "#63ccf3",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 243
  },
  "hsl": {
    "h": 196.25,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.79784,
    "c": 0.11129,
    "h": 225.2
  },
  "luminance": 0.52309
}

Semantic roles & 50–950 ramp

primary
#63CCF3
secondary
#C85B32
accent
#4003E2
background
#FCFEFF
surface
#F6FBFE
border
#D0D4D6
text
#0F1517
muted
#808485

Preview Lab

Preview with #63CCF3

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

Preview Lab → · Contrast checker → · Palette generator →

#63CCF3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva