#63AEE6#63AEE6

#63AEE6 is a light, moderate cyan. Relative luminance 0.386; OKLCH L 72.5% C 0.111 H 242.7°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX#63AEE6
RGBrgb(99, 174, 230)
HSLhsl(206, 72%, 65%)
HSVhsv(206, 57%, 90%)
CMYKcmyk(57%, 24.3%, 0%, 9.8%)
CIE-LABlab(68.49, -7.29, -35.17)
CIE-LCHlch(68.49, 35.92, 258.29°)
OKLaboklab(72.49% -0.0509 -0.0986)
OKLCHoklch(72.49% 0.111 242.7)
XYZxyz(34.5593, 38.6348, 80.4836)
Luminance0.3864 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AEE6 #E69B63
analogous
#63E6DD #63AEE6 #636DE6
triadic
#63AEE6 #E663AE #AEE663
tetradic
#63AEE6 #DD63E6 #E69B63 #6DE663
square
#63AEE6 #DD63E6 #E69B63 #6DE663
split-complementary
#63AEE6 #E6636D #E6DD63
monochromatic
#1D72B2 #2E93DE #63AEE6 #98C9EE #CCE5F7

Accessibility & contrast

On white

2.41
#63AEE6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.73
#63AEE6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEE6
8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AEE6#FFFFFF#000000##000000
##63AEE61.002.418.738.73
#FFFFFF2.411.0021.0021.00
#0000008.7321.001.001.00
##0000008.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#95AEE9
Deuteranopia (green-blind)
#84A1E5
Tritanopia (blue-blind)
#00BCC1
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #63aee6;
/* rgb */ color: rgb(99, 174, 230);
/* oklch */ color: oklch(72.5% 0.111 242.7);
Tailwind
colors: {
  custom: {
    50: '#99c6ee',
    500: '#63aee6',
    950: '#000000',
  },
}
SCSS
$custom: #63aee6;
$custom-light: #99c6ee;
$custom-dark: #000000;
JSON
{
  "hex": "#63aee6",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 230
  },
  "hsl": {
    "h": 205.649,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.72485,
    "c": 0.11095,
    "h": 242.7
  },
  "luminance": 0.38638
}

Semantic roles & 50–950 ramp

primary
#63AEE6
secondary
#E9CFBC
accent
#6511D4
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1316
muted
#7E8284

Preview Lab

Preview with #63AEE6

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

Preview Lab → · Contrast checker → · Palette generator →

#63AEE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva