#63BBEC#63BBEC

#63BBEC is a light, moderate cyan. Relative luminance 0.442; OKLCH L 75.7% C 0.110 H 235.2°. Best body text is #000000 at 9.85:1 contrast (WCAG AA passes).

Color values

HEX#63BBEC
RGBrgb(99, 187, 236)
HSLhsl(201, 78%, 66%)
HSVhsv(201, 58%, 93%)
CMYKcmyk(58.1%, 20.8%, 0%, 7.5%)
CIE-LABlab(72.39, -12.50, -32.38)
CIE-LCHlch(72.39, 34.71, 248.90°)
OKLaboklab(75.66% -0.063 -0.0905)
OKLCHoklch(75.66% 0.11 235.2)
XYZxyz(38.0505, 44.2459, 85.8757)
Luminance0.4425 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BBEC #EC9463
analogous
#63ECD9 #63BBEC #6376EC
triadic
#63BBEC #EC63BB #BBEC63
tetradic
#63BBEC #D963EC #EC9463 #76EC63
square
#63BBEC #D963EC #EC9463 #76EC63
split-complementary
#63BBEC #EC6376 #ECD963
monochromatic
#1782BE #2CA3E5 #63BBEC #9AD3F3 #D0EBF9

Accessibility & contrast

On white

2.13
#63BBEC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.85
#63BBEC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBEC
9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BBEC#FFFFFF#000000##000000
##63BBEC1.002.139.859.85
#FFFFFF2.131.0021.0021.00
#0000009.8521.001.001.00
##0000009.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4BAEE
Deuteranopia (green-blind)
#91ABEB
Tritanopia (blue-blind)
#00C8CB
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #63bbec;
/* rgb */ color: rgb(99, 187, 236);
/* oklch */ color: oklch(75.7% 0.110 235.2);
Tailwind
colors: {
  custom: {
    50: '#9acff2',
    500: '#63bbec',
    950: '#000000',
  },
}
SCSS
$custom: #63bbec;
$custom-light: #9acff2;
$custom-dark: #000000;
JSON
{
  "hex": "#63bbec",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 236
  },
  "hsl": {
    "h": 201.46,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.75659,
    "c": 0.11026,
    "h": 235.2
  },
  "luminance": 0.44249
}

Semantic roles & 50–950 ramp

primary
#63BBEC
secondary
#ECCFBF
accent
#550BDB
background
#FAFCFE
surface
#F3F9FD
border
#CDD2D5
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #63BBEC

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

Preview Lab → · Contrast checker → · Palette generator →

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