#63ABE3#63ABE3

#63ABE3 is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.7% C 0.110 H 243.6°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX#63ABE3
RGBrgb(99, 171, 227)
HSLhsl(206, 70%, 64%)
HSVhsv(206, 56%, 89%)
CMYKcmyk(56.4%, 24.7%, 0%, 11%)
CIE-LABlab(67.52, -6.56, -35.03)
CIE-LCHlch(67.52, 35.64, 259.39°)
OKLaboklab(71.68% -0.0486 -0.0982)
OKLCHoklch(71.68% 0.11 243.6)
XYZxyz(33.5686, 37.3216, 78.0929)
Luminance0.3733 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ABE3 #E39B63
analogous
#63E3DB #63ABE3 #636BE3
triadic
#63ABE3 #E363AB #ABE363
tetradic
#63ABE3 #DB63E3 #E39B63 #6BE363
square
#63ABE3 #DB63E3 #E39B63 #6BE363
split-complementary
#63ABE3 #E3636B #E3DB63
monochromatic
#1F6FAD #2F8FDA #63ABE3 #97C7EC #CBE3F6

Accessibility & contrast

On white

2.48
#63ABE3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.47
#63ABE3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABE3
8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ABE3#FFFFFF#000000##000000
##63ABE31.002.488.478.47
#FFFFFF2.481.0021.0021.00
#0000008.4721.001.001.00
##0000008.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#93ACE6
Deuteranopia (green-blind)
#819FE2
Tritanopia (blue-blind)
#00B9BE
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #63abe3;
/* rgb */ color: rgb(99, 171, 227);
/* oklch */ color: oklch(71.7% 0.110 243.6);
Tailwind
colors: {
  custom: {
    50: '#98c3ec',
    500: '#63abe3',
    950: '#000000',
  },
}
SCSS
$custom: #63abe3;
$custom-light: #98c3ec;
$custom-dark: #000000;
JSON
{
  "hex": "#63abe3",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 227
  },
  "hsl": {
    "h": 206.25,
    "s": 69.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.7168,
    "c": 0.10956,
    "h": 243.6
  },
  "luminance": 0.37325
}

Semantic roles & 50–950 ramp

primary
#63ABE3
secondary
#E7CEBA
accent
#6714D2
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1216
muted
#7E8184

Preview Lab

Preview with #63ABE3

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

Preview Lab → · Contrast checker → · Palette generator →

#63ABE3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva