#63ADD5#63ADD5

#63ADD5 is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.5% C 0.094 H 233.8°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX#63ADD5
RGBrgb(99, 173, 213)
HSLhsl(201, 58%, 61%)
HSVhsv(201, 54%, 84%)
CMYKcmyk(53.5%, 18.8%, 0%, 16.5%)
CIE-LABlab(67.53, -11.87, -27.31)
CIE-LCHlch(67.53, 29.78, 246.50°)
OKLaboklab(71.51% -0.0556 -0.0761)
OKLCHoklch(71.51% 0.094 233.8)
XYZxyz(32.0949, 37.3411, 68.4541)
Luminance0.3734 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ADD5 #D58B63
analogous
#63D5C4 #63ADD5 #6374D5
triadic
#63ADD5 #D563AD #ADD563
tetradic
#63ADD5 #C463D5 #D58B63 #74D563
square
#63ADD5 #C463D5 #D58B63 #74D563
split-complementary
#63ADD5 #D56374 #D5C463
monochromatic
#286F95 #3593C6 #63ADD5 #93C6E2 #C3E0EF

Accessibility & contrast

On white

2.48
#63ADD5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.47
#63ADD5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADD5
8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ADD5#FFFFFF#000000##000000
##63ADD51.002.488.478.47
#FFFFFF2.481.0021.0021.00
#0000008.4721.001.001.00
##0000008.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AABD7
Deuteranopia (green-blind)
#8A9FD4
Tritanopia (blue-blind)
#11B8BA
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #63add5;
/* rgb */ color: rgb(99, 173, 213);
/* oklch */ color: oklch(71.5% 0.094 233.8);
Tailwind
colors: {
  custom: {
    50: '#97c5e2',
    500: '#63add5',
    950: '#000000',
  },
}
SCSS
$custom: #63add5;
$custom-light: #97c5e2;
$custom-dark: #000000;
JSON
{
  "hex": "#63add5",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 213
  },
  "hsl": {
    "h": 201.053,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.71508,
    "c": 0.09421,
    "h": 233.8
  },
  "luminance": 0.37344
}

Semantic roles & 50–950 ramp

primary
#63ADD5
secondary
#DFC4B4
accent
#5A20C5
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #63ADD5

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

Preview Lab → · Contrast checker → · Palette generator →

#63ADD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva