#63C7F4#63C7F4

#63C7F4 is a light, moderate cyan. Relative luminance 0.500; OKLCH L 78.7% C 0.113 H 229.9°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX#63C7F4
RGBrgb(99, 199, 244)
HSLhsl(199, 87%, 67%)
HSVhsv(199, 59%, 96%)
CMYKcmyk(59.4%, 18.4%, 0%, 4.3%)
CIE-LABlab(76.09, -16.41, -31.00)
CIE-LCHlch(76.09, 35.08, 242.11°)
OKLaboklab(78.7% -0.0728 -0.0865)
OKLCHoklch(78.7% 0.113 229.9)
XYZxyz(41.8918, 50.0271, 93.0189)
Luminance0.5003 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C7F4 #F49063
analogous
#63F4D9 #63C7F4 #637EF4
triadic
#63C7F4 #F463C7 #C7F463
tetradic
#63C7F4 #D963F4 #F49063 #7EF463
square
#63C7F4 #D963F4 #F49063 #7EF463
split-complementary
#63C7F4 #F4637E #F4D963
monochromatic
#0F93CE #2AB2F0 #63C7F4 #9CDCF8 #D5F0FC

Accessibility & contrast

On white

1.91
#63C7F4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.01
#63C7F4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7F4
11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C7F4#FFFFFF#000000##000000
##63C7F41.001.9111.0111.01
#FFFFFF1.911.0021.0021.00
#00000011.0121.001.001.00
##00000011.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0C4F6
Deuteranopia (green-blind)
#9CB5F3
Tritanopia (blue-blind)
#00D4D6
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #63c7f4;
/* rgb */ color: rgb(99, 199, 244);
/* oklch */ color: oklch(78.7% 0.113 229.9);
Tailwind
colors: {
  custom: {
    50: '#9bd8f8',
    500: '#63c7f4',
    950: '#000000',
  },
}
SCSS
$custom: #63c7f4;
$custom-light: #9bd8f8;
$custom-dark: #000000;
JSON
{
  "hex": "#63c7f4",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 244
  },
  "hsl": {
    "h": 198.621,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.78697,
    "c": 0.11311,
    "h": 229.9
  },
  "luminance": 0.50031
}

Semantic roles & 50–950 ramp

primary
#63C7F4
secondary
#CA6131
accent
#4802E3
background
#FCFEFF
surface
#F6FBFE
border
#D0D4D6
text
#0F1417
muted
#808385

Preview Lab

Preview with #63C7F4

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

Preview Lab → · Contrast checker → · Palette generator →

#63C7F4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva