#63C7FA#63C7FA

#63C7FA is a light, moderate cyan. Relative luminance 0.504; OKLCH L 79.0% C 0.118 H 233.2°. Best body text is #000000 at 11.08:1 contrast (WCAG AA passes).

Color values

HEX#63C7FA
RGBrgb(99, 199, 250)
HSLhsl(200, 94%, 68%)
HSVhsv(200, 60%, 98%)
CMYKcmyk(60.4%, 20.4%, 0%, 2%)
CIE-LABlab(76.31, -14.61, -33.87)
CIE-LCHlch(76.31, 36.89, 246.68°)
OKLaboklab(78.95% -0.0708 -0.0947)
OKLCHoklch(78.95% 0.118 233.2)
XYZxyz(42.8177, 50.3974, 97.8951)
Luminance0.5040 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C7FA #FA9663
analogous
#63FAE1 #63C7FA #637BFA
triadic
#63C7FA #FA63C7 #C7FA63
tetradic
#63C7FA #E163FA #FA9663 #7BFA63
square
#63C7FA #E163FA #FA9663 #7BFA63
split-complementary
#63C7FA #FA637B #FAE163
monochromatic
#0794DC #28B2F8 #63C7FA #9EDCFC #DAF2FE

Accessibility & contrast

On white

1.90
#63C7FA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.08
#63C7FA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7FA
11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C7FA#FFFFFF#000000##000000
##63C7FA1.001.9011.0811.08
#FFFFFF1.901.0021.0021.00
#00000011.0821.001.001.00
##00000011.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#AEC5FC
Deuteranopia (green-blind)
#99B5F9
Tritanopia (blue-blind)
#00D5D8
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #63c7fa;
/* rgb */ color: rgb(99, 199, 250);
/* oklch */ color: oklch(79.0% 0.118 233.2);
Tailwind
colors: {
  custom: {
    50: '#9cd8fc',
    500: '#63c7fa',
    950: '#000000',
  },
}
SCSS
$custom: #63c7fa;
$custom-light: #9cd8fc;
$custom-dark: #000000;
JSON
{
  "hex": "#63c7fa",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 250
  },
  "hsl": {
    "h": 200.265,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.78953,
    "c": 0.11825,
    "h": 233.2
  },
  "luminance": 0.50402
}

Semantic roles & 50–950 ramp

primary
#63C7FA
secondary
#D4662E
accent
#4E00E6
background
#FCFEFF
surface
#F6FBFF
border
#D0D4D7
text
#0F1417
muted
#808385

Preview Lab

Preview with #63C7FA

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

Preview Lab → · Contrast checker → · Palette generator →

#63C7FA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva