#63BAE5#63BAE5

#63BAE5 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 75.1% C 0.104 H 231.9°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX#63BAE5
RGBrgb(99, 186, 229)
HSLhsl(200, 71%, 64%)
HSVhsv(200, 57%, 90%)
CMYKcmyk(56.8%, 18.8%, 0%, 10.2%)
CIE-LABlab(71.84, -14.07, -29.43)
CIE-LCHlch(71.84, 32.62, 244.46°)
OKLaboklab(75.13% -0.0643 -0.0821)
OKLCHoklch(75.13% 0.104 231.9)
XYZxyz(36.8420, 43.4242, 80.5537)
Luminance0.4343 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BAE5 #E58E63
analogous
#63E5CF #63BAE5 #6379E5
triadic
#63BAE5 #E563BA #BAE563
tetradic
#63BAE5 #CF63E5 #E58E63 #79E563
square
#63BAE5 #CF63E5 #E58E63 #79E563
split-complementary
#63BAE5 #E56379 #E5CF63
monochromatic
#1D80B0 #2FA3DC #63BAE5 #97D1EE #CCE8F6

Accessibility & contrast

On white

2.17
#63BAE5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.69
#63BAE5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BAE5
9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BAE5#FFFFFF#000000##000000
##63BAE51.002.179.699.69
#FFFFFF2.171.0021.0021.00
#0000009.6921.001.001.00
##0000009.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B8E7
Deuteranopia (green-blind)
#93AAE4
Tritanopia (blue-blind)
#00C6C8
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #63bae5;
/* rgb */ color: rgb(99, 186, 229);
/* oklch */ color: oklch(75.1% 0.104 231.9);
Tailwind
colors: {
  custom: {
    50: '#99ceed',
    500: '#63bae5',
    950: '#000000',
  },
}
SCSS
$custom: #63bae5;
$custom-light: #99ceed;
$custom-dark: #000000;
JSON
{
  "hex": "#63bae5",
  "rgb": {
    "r": 99,
    "g": 186,
    "b": 229
  },
  "hsl": {
    "h": 199.846,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.75133,
    "c": 0.10427,
    "h": 231.9
  },
  "luminance": 0.43428
}

Semantic roles & 50–950 ramp

primary
#63BAE5
secondary
#E8CABB
accent
#5212D3
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0F1316
muted
#7E8284

Preview Lab

Preview with #63BAE5

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

Preview Lab → · Contrast checker → · Palette generator →

#63BAE5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva