#63ABC4#63ABC4

#63ABC4 is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.4% C 0.081 H 222.5°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX#63ABC4
RGBrgb(99, 171, 196)
HSLhsl(195, 45%, 58%)
HSVhsv(195, 49%, 77%)
CMYKcmyk(49.5%, 12.8%, 0%, 23.1%)
CIE-LABlab(66.34, -15.73, -19.75)
CIE-LCHlch(66.34, 25.25, 231.46°)
OKLaboklab(70.35% -0.0596 -0.0546)
OKLCHoklch(70.35% 0.081 222.5)
XYZxyz(29.6686, 35.7616, 57.5531)
Luminance0.3576 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ABC4 #C47C63
analogous
#63C4AC #63ABC4 #637AC4
triadic
#63ABC4 #C463AB #ABC463
tetradic
#63ABC4 #AC63C4 #C47C63 #7AC463
square
#63ABC4 #AC63C4 #C47C63 #7AC463
split-complementary
#63ABC4 #C4637A #C4AC63
monochromatic
#2F697D #408EAA #63ABC4 #8FC3D5 #BCDBE6

Accessibility & contrast

On white

2.58
#63ABC4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.15
#63ABC4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABC4
8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ABC4#FFFFFF#000000##000000
##63ABC41.002.588.158.15
#FFFFFF2.581.0021.0021.00
#0000008.1521.001.001.00
##0000008.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CA8C5
Deuteranopia (green-blind)
#8E9DC4
Tritanopia (blue-blind)
#2DB3B3
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #63abc4;
/* rgb */ color: rgb(99, 171, 196);
/* oklch */ color: oklch(70.4% 0.081 222.5);
Tailwind
colors: {
  custom: {
    50: '#95c4d6',
    500: '#63abc4',
    950: '#000000',
  },
}
SCSS
$custom: #63abc4;
$custom-light: #95c4d6;
$custom-dark: #000000;
JSON
{
  "hex": "#63abc4",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 196
  },
  "hsl": {
    "h": 195.464,
    "s": 45.116,
    "l": 57.843
  },
  "oklch": {
    "l": 0.70353,
    "c": 0.08083,
    "h": 222.5
  },
  "luminance": 0.35764
}

Semantic roles & 50–950 ramp

primary
#63ABC4
secondary
#D5B8AE
accent
#7453D5
background
#F9FCFD
surface
#F2F8FA
border
#CCD1D3
text
#0E1214
muted
#7E8183

Preview Lab

Preview with #63ABC4

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

Preview Lab → · Contrast checker → · Palette generator →

#63ABC4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva