#63C5DA#63C5DA

#63C5DA is a light, moderate cyan. Relative luminance 0.476; OKLCH L 77.2% C 0.096 H 213.6°. Best body text is #000000 at 10.53:1 contrast (WCAG AA passes).

Color values

HEX#63C5DA
RGBrgb(99, 197, 218)
HSLhsl(191, 62%, 62%)
HSVhsv(191, 55%, 85%)
CMYKcmyk(54.6%, 9.6%, 0%, 14.5%)
CIE-LABlab(74.60, -22.94, -19.26)
CIE-LCHlch(74.60, 29.95, 220.00°)
OKLaboklab(77.21% -0.0804 -0.0533)
OKLCHoklch(77.21% 0.096 213.6)
XYZxyz(37.7617, 47.6436, 73.5222)
Luminance0.4765 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C5DA #DA7863
analogous
#63DAB3 #63C5DA #638ADA
triadic
#63C5DA #DA63C5 #C5DA63
tetradic
#63C5DA #B363DA #DA7863 #8ADA63
square
#63C5DA #B363DA #DA7863 #8ADA63
split-complementary
#63C5DA #DA638A #DAB363
monochromatic
#25889D #32B3CE #63C5DA #94D7E6 #C6EAF1

Accessibility & contrast

On white

1.99
#63C5DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.53
#63C5DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C5DA
10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C5DA#FFFFFF#000000##000000
##63C5DA1.001.9910.5310.53
#FFFFFF1.991.0021.0021.00
#00000010.5321.001.001.00
##00000010.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5BFDB
Deuteranopia (green-blind)
#A3B2DA
Tritanopia (blue-blind)
#00CDCB
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #63c5da;
/* rgb */ color: rgb(99, 197, 218);
/* oklch */ color: oklch(77.2% 0.096 213.6);
Tailwind
colors: {
  custom: {
    50: '#99d6e5',
    500: '#63c5da',
    950: '#000000',
  },
}
SCSS
$custom: #63c5da;
$custom-light: #99d6e5;
$custom-dark: #000000;
JSON
{
  "hex": "#63c5da",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 218
  },
  "hsl": {
    "h": 190.588,
    "s": 61.658,
    "l": 62.157
  },
  "oklch": {
    "l": 0.77206,
    "c": 0.09643,
    "h": 213.6
  },
  "luminance": 0.47647
}

Semantic roles & 50–950 ramp

primary
#63C5DA
secondary
#E2BEB7
accent
#3B1CC9
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0F1415
muted
#7E8384

Preview Lab

Preview with #63C5DA

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

Preview Lab → · Contrast checker → · Palette generator →

#63C5DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva