#63ADCF#63ADCF

#63ADCF is a light, moderate cyan. Relative luminance 0.370; OKLCH L 71.3% C 0.089 H 229.5°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#63ADCF
RGBrgb(99, 173, 207)
HSLhsl(199, 53%, 60%)
HSVhsv(199, 52%, 81%)
CMYKcmyk(52.2%, 16.4%, 0%, 18.8%)
CIE-LABlab(67.31, -13.63, -24.35)
CIE-LCHlch(67.31, 27.91, 240.75°)
OKLaboklab(71.26% -0.0577 -0.0676)
OKLCHoklch(71.26% 0.089 229.5)
XYZxyz(31.3475, 37.0421, 64.5173)
Luminance0.3705 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ADCF #CF8563
analogous
#63CFBB #63ADCF #6377CF
triadic
#63ADCF #CF63AD #ADCF63
tetradic
#63ADCF #BB63CF #CF8563 #77CF63
square
#63ADCF #BB63CF #CF8563 #77CF63
split-complementary
#63ADCF #CF6377 #CFBB63
monochromatic
#2B6E8C #3A92BB #63ADCF #92C6DD #C1DEEC

Accessibility & contrast

On white

2.50
#63ADCF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.41
#63ADCF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ADCF
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ADCF#FFFFFF#000000##000000
##63ADCF1.002.508.418.41
#FFFFFF2.501.0021.0021.00
#0000008.4121.001.001.00
##0000008.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CABD1
Deuteranopia (green-blind)
#8C9FCF
Tritanopia (blue-blind)
#1EB7B8
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #63adcf;
/* rgb */ color: rgb(99, 173, 207);
/* oklch */ color: oklch(71.3% 0.089 229.5);
Tailwind
colors: {
  custom: {
    50: '#96c5dd',
    500: '#63adcf',
    950: '#000000',
  },
}
SCSS
$custom: #63adcf;
$custom-light: #96c5dd;
$custom-dark: #000000;
JSON
{
  "hex": "#63adcf",
  "rgb": {
    "r": 99,
    "g": 173,
    "b": 207
  },
  "hsl": {
    "h": 198.889,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.71257,
    "c": 0.08894,
    "h": 229.5
  },
  "luminance": 0.37045
}

Semantic roles & 50–950 ramp

primary
#63ADCF
secondary
#DCBFB2
accent
#794BDC
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #63ADCF

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

Preview Lab → · Contrast checker → · Palette generator →

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