#63ABFF#63ABFF

#63ABFF is a light, vivid cyan. Relative luminance 0.390; OKLCH L 73.1% C 0.143 H 253.5°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#63ABFF
RGBrgb(99, 171, 255)
HSLhsl(212, 100%, 69%)
HSVhsv(212, 61%, 100%)
CMYKcmyk(61.2%, 32.9%, 0%, 0%)
CIE-LABlab(68.75, 2.25, -48.37)
CIE-LCHlch(68.75, 48.42, 272.66°)
OKLaboklab(73.05% -0.0405 -0.1368)
OKLCHoklch(73.05% 0.143 253.5)
XYZxyz(37.7520, 38.9949, 100.1256)
Luminance0.3900 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ABFF #FFB763
analogous
#63F9FF #63ABFF #6963FF
triadic
#63ABFF #FF63AB #ABFF63
tetradic
#63ABFF #FF63F9 #FFB763 #63FF69
square
#63ABFF #FF63F9 #FFB763 #63FF69
split-complementary
#63ABFF #FF6963 #F9FF63
monochromatic
#006BE8 #268AFF #63ABFF #A0CCFF #DDEDFF

Accessibility & contrast

On white

2.39
#63ABFF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.80
#63ABFF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABFF
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ABFF#FFFFFF#000000##000000
##63ABFF1.002.398.808.80
#FFFFFF2.391.0021.0021.00
#0000008.8021.001.001.00
##0000008.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#87B0FF
Deuteranopia (green-blind)
#72A1FD
Tritanopia (blue-blind)
#00BEC9
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #63abff;
/* rgb */ color: rgb(99, 171, 255);
/* oklch */ color: oklch(73.1% 0.143 253.5);
Tailwind
colors: {
  custom: {
    50: '#9cc3ff',
    500: '#63abff',
    950: '#000000',
  },
}
SCSS
$custom: #63abff;
$custom-light: #9cc3ff;
$custom-dark: #000000;
JSON
{
  "hex": "#63abff",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 255
  },
  "hsl": {
    "h": 212.308,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.73051,
    "c": 0.14272,
    "h": 253.5
  },
  "luminance": 0.38998
}

Semantic roles & 50–950 ramp

primary
#63ABFF
secondary
#F5E1C8
accent
#7C00E6
background
#FAFBFF
surface
#F4F7FF
border
#CED0D7
text
#0F1218
muted
#7F8186

Preview Lab

Preview with #63ABFF

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

Preview Lab → · Contrast checker → · Palette generator →

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