#63AEFA#63AEFA

#63AEFA is a light, vivid cyan. Relative luminance 0.398; OKLCH L 73.4% C 0.134 H 250.4°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX#63AEFA
RGBrgb(99, 174, 250)
HSLhsl(210, 94%, 68%)
HSVhsv(210, 60%, 98%)
CMYKcmyk(60.4%, 30.4%, 0%, 2%)
CIE-LABlab(69.34, -1.04, -44.72)
CIE-LCHlch(69.34, 44.74, 268.67°)
OKLaboklab(73.44% -0.0449 -0.1262)
OKLCHoklch(73.44% 0.134 250.4)
XYZxyz(37.5307, 39.8234, 96.1328)
Luminance0.3983 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AEFA #FAAF63
analogous
#63F9FA #63AEFA #6363FA
triadic
#63AEFA #FA63AE #AEFA63
tetradic
#63AEFA #FA63F9 #FAAF63 #63FA63
square
#63AEFA #FA63F9 #FAAF63 #63FA63
split-complementary
#63AEFA #FA6363 #F9FA63
monochromatic
#0771DC #288FF8 #63AEFA #9ECDFC #DAECFE

Accessibility & contrast

On white

2.34
#63AEFA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.97
#63AEFA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEFA
8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AEFA#FFFFFF#000000##000000
##63AEFA1.002.348.978.97
#FFFFFF2.341.0021.0021.00
#0000008.9721.001.001.00
##0000008.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8EB1FD
Deuteranopia (green-blind)
#79A3F8
Tritanopia (blue-blind)
#00C0C9
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #63aefa;
/* rgb */ color: rgb(99, 174, 250);
/* oklch */ color: oklch(73.4% 0.134 250.4);
Tailwind
colors: {
  custom: {
    50: '#9bc5fc',
    500: '#63aefa',
    950: '#000000',
  },
}
SCSS
$custom: #63aefa;
$custom-light: #9bc5fc;
$custom-dark: #000000;
JSON
{
  "hex": "#63aefa",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 250
  },
  "hsl": {
    "h": 210.199,
    "s": 93.789,
    "l": 68.431
  },
  "oklch": {
    "l": 0.73443,
    "c": 0.13397,
    "h": 250.4
  },
  "luminance": 0.39827
}

Semantic roles & 50–950 ramp

primary
#63AEFA
secondary
#F3DDC6
accent
#7400E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63AEFA

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

Preview Lab → · Contrast checker → · Palette generator →

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