#63C2E8#63C2E8

#63C2E8 is a light, moderate cyan. Relative luminance 0.471; OKLCH L 77.1% C 0.105 H 226.7°. Best body text is #000000 at 10.41:1 contrast (WCAG AA passes).

Color values

HEX#63C2E8
RGBrgb(99, 194, 232)
HSLhsl(197, 74%, 65%)
HSVhsv(197, 57%, 91%)
CMYKcmyk(57.3%, 16.4%, 0%, 9%)
CIE-LABlab(74.23, -17.37, -27.40)
CIE-LCHlch(74.23, 32.44, 237.62°)
OKLaboklab(77.07% -0.0718 -0.0763)
OKLCHoklch(77.07% 0.105 226.7)
XYZxyz(38.9972, 47.0587, 83.3564)
Luminance0.4706 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C2E8 #E88963
analogous
#63E8CC #63C2E8 #637FE8
triadic
#63C2E8 #E863C2 #C2E863
tetradic
#63C2E8 #CC63E8 #E88963 #7FE863
square
#63C2E8 #CC63E8 #E88963 #7FE863
split-complementary
#63C2E8 #E8637F #E8CC63
monochromatic
#1B8AB6 #2EADE0 #63C2E8 #98D7F0 #CEECF8

Accessibility & contrast

On white

2.02
#63C2E8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.41
#63C2E8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C2E8
10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C2E8#FFFFFF#000000##000000
##63C2E81.002.0210.4110.41
#FFFFFF2.021.0021.0021.00
#00000010.4121.001.001.00
##00000010.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#AEBFEA
Deuteranopia (green-blind)
#9BB0E8
Tritanopia (blue-blind)
#00CDCE
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #63c2e8;
/* rgb */ color: rgb(99, 194, 232);
/* oklch */ color: oklch(77.1% 0.105 226.7);
Tailwind
colors: {
  custom: {
    50: '#9ad4ef',
    500: '#63c2e8',
    950: '#000000',
  },
}
SCSS
$custom: #63c2e8;
$custom-light: #9ad4ef;
$custom-dark: #000000;
JSON
{
  "hex": "#63c2e8",
  "rgb": {
    "r": 99,
    "g": 194,
    "b": 232
  },
  "hsl": {
    "h": 197.143,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.7707,
    "c": 0.10478,
    "h": 226.7
  },
  "luminance": 0.47062
}

Semantic roles & 50–950 ramp

primary
#63C2E8
secondary
#EACABD
accent
#480FD6
background
#FAFDFE
surface
#F3FAFD
border
#CDD3D5
text
#0F1416
muted
#7F8384

Preview Lab

Preview with #63C2E8

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

Preview Lab → · Contrast checker → · Palette generator →

#63C2E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva