#63BEF7#63BEF7

#63BEF7 is a light, moderate cyan. Relative luminance 0.462; OKLCH L 76.8% C 0.119 H 238.5°. Best body text is #000000 at 10.24:1 contrast (WCAG AA passes).

Color values

HEX#63BEF7
RGBrgb(99, 190, 247)
HSLhsl(203, 90%, 68%)
HSVhsv(203, 60%, 97%)
CMYKcmyk(59.9%, 23.1%, 0%, 3.1%)
CIE-LABlab(73.67, -10.75, -36.35)
CIE-LCHlch(73.67, 37.91, 253.53°)
OKLaboklab(76.82% -0.0624 -0.1019)
OKLCHoklch(76.82% 0.12 238.5)
XYZxyz(40.3412, 46.1911, 94.7675)
Luminance0.4620 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BEF7 #F79C63
analogous
#63F7E6 #63BEF7 #6374F7
triadic
#63BEF7 #F763BE #BEF763
tetradic
#63BEF7 #E663F7 #F79C63 #74F763
square
#63BEF7 #E663F7 #F79C63 #74F763
split-complementary
#63BEF7 #F76374 #F7E663
monochromatic
#0B87D5 #29A6F4 #63BEF7 #9DD6FA #D7EFFD

Accessibility & contrast

On white

2.05
#63BEF7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.24
#63BEF7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BEF7
10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BEF7#FFFFFF#000000##000000
##63BEF71.002.0510.2410.24
#FFFFFF2.051.0021.0021.00
#00000010.2421.001.001.00
##00000010.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4BDFA
Deuteranopia (green-blind)
#90AEF6
Tritanopia (blue-blind)
#00CCD1
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #63bef7;
/* rgb */ color: rgb(99, 190, 247);
/* oklch */ color: oklch(76.8% 0.119 238.5);
Tailwind
colors: {
  custom: {
    50: '#9bd1fa',
    500: '#63bef7',
    950: '#000000',
  },
}
SCSS
$custom: #63bef7;
$custom-light: #9bd1fa;
$custom-dark: #000000;
JSON
{
  "hex": "#63bef7",
  "rgb": {
    "r": 99,
    "g": 190,
    "b": 247
  },
  "hsl": {
    "h": 203.108,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.76815,
    "c": 0.1195,
    "h": 238.5
  },
  "luminance": 0.46195
}

Semantic roles & 50–950 ramp

primary
#63BEF7
secondary
#F2D6C4
accent
#5800E6
background
#FAFCFF
surface
#F4F9FF
border
#CED2D7
text
#0F1417
muted
#7F8285

Preview Lab

Preview with #63BEF7

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

Preview Lab → · Contrast checker → · Palette generator →

#63BEF7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva