#63C5FA#63C5FA

#63C5FA is a light, moderate cyan. Relative luminance 0.495; OKLCH L 78.5% C 0.119 H 234.8°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX#63C5FA
RGBrgb(99, 197, 250)
HSLhsl(201, 94%, 68%)
HSVhsv(201, 60%, 98%)
CMYKcmyk(60.4%, 21.2%, 0%, 2%)
CIE-LABlab(75.75, -13.55, -34.74)
CIE-LCHlch(75.75, 37.29, 248.69°)
OKLaboklab(78.51% -0.0687 -0.0972)
OKLCHoklch(78.51% 0.119 234.8)
XYZxyz(42.3606, 49.4831, 97.7427)
Luminance0.4949 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C5FA #FA9863
analogous
#63FAE4 #63C5FA #6379FA
triadic
#63C5FA #FA63C5 #C5FA63
tetradic
#63C5FA #E463FA #FA9863 #79FA63
square
#63C5FA #E463FA #FA9863 #79FA63
split-complementary
#63C5FA #FA6379 #FAE463
monochromatic
#0791DC #28AFF8 #63C5FA #9EDBFC #DAF1FE

Accessibility & contrast

On white

1.93
#63C5FA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.90
#63C5FA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C5FA
10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C5FA#FFFFFF#000000##000000
##63C5FA1.001.9310.9010.90
#FFFFFF1.931.0021.0021.00
#00000010.9021.001.001.00
##00000010.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACC3FD
Deuteranopia (green-blind)
#97B4F9
Tritanopia (blue-blind)
#00D3D7
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #63c5fa;
/* rgb */ color: rgb(99, 197, 250);
/* oklch */ color: oklch(78.5% 0.119 234.8);
Tailwind
colors: {
  custom: {
    50: '#9cd6fc',
    500: '#63c5fa',
    950: '#000000',
  },
}
SCSS
$custom: #63c5fa;
$custom-light: #9cd6fc;
$custom-dark: #000000;
JSON
{
  "hex": "#63c5fa",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 250
  },
  "hsl": {
    "h": 201.06,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.78506,
    "c": 0.11905,
    "h": 234.8
  },
  "luminance": 0.49487
}

Semantic roles & 50–950 ramp

primary
#63C5FA
secondary
#F3D6C6
accent
#5100E6
background
#FAFDFF
surface
#F4FAFF
border
#CED3D7
text
#0F1417
muted
#7F8385

Preview Lab

Preview with #63C5FA

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

Preview Lab → · Contrast checker → · Palette generator →

#63C5FA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva