#63C6F4#63C6F4

#63C6F4 is a light, moderate cyan. Relative luminance 0.496; OKLCH L 78.5% C 0.113 H 230.7°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX#63C6F4
RGBrgb(99, 198, 244)
HSLhsl(199, 87%, 67%)
HSVhsv(199, 59%, 96%)
CMYKcmyk(59.4%, 18.9%, 0%, 4.3%)
CIE-LABlab(75.80, -15.89, -31.44)
CIE-LCHlch(75.80, 35.23, 243.19°)
OKLaboklab(78.47% -0.0718 -0.0878)
OKLCHoklch(78.47% 0.113 230.7)
XYZxyz(41.6625, 49.5684, 92.9425)
Luminance0.4957 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C6F4 #F49163
analogous
#63F4D9 #63C6F4 #637EF4
triadic
#63C6F4 #F463C6 #C6F463
tetradic
#63C6F4 #D963F4 #F49163 #7EF463
square
#63C6F4 #D963F4 #F49163 #7EF463
split-complementary
#63C6F4 #F4637E #F4D963
monochromatic
#0F91CE #2AB1F0 #63C6F4 #9CDBF8 #D5F0FC

Accessibility & contrast

On white

1.92
#63C6F4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.91
#63C6F4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C6F4
10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C6F4#FFFFFF#000000##000000
##63C6F41.001.9210.9110.91
#FFFFFF1.921.0021.0021.00
#00000010.9121.001.001.00
##00000010.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#AFC3F6
Deuteranopia (green-blind)
#9BB4F3
Tritanopia (blue-blind)
#00D3D5
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #63c6f4;
/* rgb */ color: rgb(99, 198, 244);
/* oklch */ color: oklch(78.5% 0.113 230.7);
Tailwind
colors: {
  custom: {
    50: '#9bd7f8',
    500: '#63c6f4',
    950: '#000000',
  },
}
SCSS
$custom: #63c6f4;
$custom-light: #9bd7f8;
$custom-dark: #000000;
JSON
{
  "hex": "#63c6f4",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 244
  },
  "hsl": {
    "h": 199.034,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.78473,
    "c": 0.1134,
    "h": 230.7
  },
  "luminance": 0.49572
}

Semantic roles & 50–950 ramp

primary
#63C6F4
secondary
#F0D1C3
accent
#4A02E3
background
#FAFDFF
surface
#F4FAFE
border
#CED3D6
text
#0F1417
muted
#7F8385

Preview Lab

Preview with #63C6F4

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

Preview Lab → · Contrast checker → · Palette generator →

#63C6F4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva