#63CAF1#63CAF1

#63CAF1 is a light, moderate cyan. Relative luminance 0.512; OKLCH L 79.3% C 0.110 H 225.6°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX#63CAF1
RGBrgb(99, 202, 241)
HSLhsl(196, 84%, 67%)
HSVhsv(196, 59%, 95%)
CMYKcmyk(58.9%, 16.2%, 0%, 5.5%)
CIE-LABlab(76.82, -18.85, -28.26)
CIE-LCHlch(76.82, 33.97, 236.29°)
OKLaboklab(79.25% -0.077 -0.0787)
OKLCHoklch(79.25% 0.11 225.6)
XYZxyz(42.1371, 51.2405, 90.8718)
Luminance0.5124 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CAF1 #F18A63
analogous
#63F1D1 #63CAF1 #6383F1
triadic
#63CAF1 #F163CA #CAF163
tetradic
#63CAF1 #D163F1 #F18A63 #83F163
square
#63CAF1 #D163F1 #F18A63 #83F163
split-complementary
#63CAF1 #F16383 #F1D163
monochromatic
#1296C8 #2BB7EC #63CAF1 #9BDDF6 #D3F0FB

Accessibility & contrast

On white

1.87
#63CAF1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.25
#63CAF1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CAF1
11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CAF1#FFFFFF#000000##000000
##63CAF11.001.8711.2511.25
#FFFFFF1.871.0021.0021.00
#00000011.2521.001.001.00
##00000011.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5C6F3
Deuteranopia (green-blind)
#A0B7F1
Tritanopia (blue-blind)
#00D6D7
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #63caf1;
/* rgb */ color: rgb(99, 202, 241);
/* oklch */ color: oklch(79.3% 0.110 225.6);
Tailwind
colors: {
  custom: {
    50: '#9bdaf5',
    500: '#63caf1',
    950: '#000000',
  },
}
SCSS
$custom: #63caf1;
$custom-light: #9bdaf5;
$custom-dark: #000000;
JSON
{
  "hex": "#63caf1",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 241
  },
  "hsl": {
    "h": 196.479,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.7925,
    "c": 0.11015,
    "h": 225.6
  },
  "luminance": 0.51245
}

Semantic roles & 50–950 ramp

primary
#63CAF1
secondary
#C55B34
accent
#4206E0
background
#FCFEFF
surface
#F6FBFE
border
#D0D4D6
text
#0F1417
muted
#808385

Preview Lab

Preview with #63CAF1

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

Preview Lab → · Contrast checker → · Palette generator →

#63CAF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva