#63AEE8#63AEE8

#63AEE8 is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.6% C 0.113 H 243.6°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX#63AEE8
RGBrgb(99, 174, 232)
HSLhsl(206, 74%, 65%)
HSVhsv(206, 57%, 91%)
CMYKcmyk(57.3%, 25%, 0%, 9%)
CIE-LABlab(68.57, -6.68, -36.13)
CIE-LCHlch(68.57, 36.75, 259.53°)
OKLaboklab(72.58% -0.0503 -0.1013)
OKLCHoklch(72.58% 0.113 243.6)
XYZxyz(34.8418, 38.7478, 81.9712)
Luminance0.3875 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AEE8 #E89D63
analogous
#63E8DF #63AEE8 #636CE8
triadic
#63AEE8 #E863AE #AEE863
tetradic
#63AEE8 #DF63E8 #E89D63 #6CE863
square
#63AEE8 #DF63E8 #E89D63 #6CE863
split-complementary
#63AEE8 #E8636C #E8DF63
monochromatic
#1B72B6 #2E92E0 #63AEE8 #98CAF0 #CEE5F8

Accessibility & contrast

On white

2.40
#63AEE8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.75
#63AEE8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEE8
8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AEE8#FFFFFF#000000##000000
##63AEE81.002.408.758.75
#FFFFFF2.401.0021.0021.00
#0000008.7521.001.001.00
##0000008.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#95AFEB
Deuteranopia (green-blind)
#83A1E7
Tritanopia (blue-blind)
#00BCC2
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #63aee8;
/* rgb */ color: rgb(99, 174, 232);
/* oklch */ color: oklch(72.6% 0.113 243.6);
Tailwind
colors: {
  custom: {
    50: '#99c6ef',
    500: '#63aee8',
    950: '#000000',
  },
}
SCSS
$custom: #63aee8;
$custom-light: #99c6ef;
$custom-dark: #000000;
JSON
{
  "hex": "#63aee8",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 232
  },
  "hsl": {
    "h": 206.165,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.72577,
    "c": 0.11315,
    "h": 243.6
  },
  "luminance": 0.38751
}

Semantic roles & 50–950 ramp

primary
#63AEE8
secondary
#EAD1BD
accent
#660FD6
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1316
muted
#7E8284

Preview Lab

Preview with #63AEE8

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

Preview Lab → · Contrast checker → · Palette generator →

#63AEE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva