#63AFCB#63AFCB

#63AFCB is a light, moderate cyan. Relative luminance 0.376; OKLCH L 71.6% C 0.086 H 224.1°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX#63AFCB
RGBrgb(99, 175, 203)
HSLhsl(196, 50%, 59%)
HSVhsv(196, 51%, 80%)
CMYKcmyk(51.2%, 13.8%, 0%, 20.4%)
CIE-LABlab(67.74, -15.85, -21.48)
CIE-LCHlch(67.74, 26.70, 233.57°)
OKLaboklab(71.55% -0.0615 -0.0595)
OKLCHoklch(71.55% 0.086 224.1)
XYZxyz(31.2510, 37.6218, 62.1032)
Luminance0.3762 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AFCB #CB7F63
analogous
#63CBB3 #63AFCB #637BCB
triadic
#63AFCB #CB63AF #AFCB63
tetradic
#63AFCB #B363CB #CB7F63 #7BCB63
square
#63AFCB #B363CB #CB7F63 #7BCB63
split-complementary
#63AFCB #CB637B #CBB363
monochromatic
#2D6F87 #3C94B5 #63AFCB #91C7DA #BFDEEA

Accessibility & contrast

On white

2.46
#63AFCB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.52
#63AFCB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFCB
8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AFCB#FFFFFF#000000##000000
##63AFCB1.002.468.528.52
#FFFFFF2.461.0021.0021.00
#0000008.5221.001.001.00
##0000008.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FACCC
Deuteranopia (green-blind)
#90A0CB
Tritanopia (blue-blind)
#23B8B8
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #63afcb;
/* rgb */ color: rgb(99, 175, 203);
/* oklch */ color: oklch(71.6% 0.086 224.1);
Tailwind
colors: {
  custom: {
    50: '#96c7da',
    500: '#63afcb',
    950: '#000000',
  },
}
SCSS
$custom: #63afcb;
$custom-light: #96c7da;
$custom-dark: #000000;
JSON
{
  "hex": "#63afcb",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 203
  },
  "hsl": {
    "h": 196.154,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.71553,
    "c": 0.08561,
    "h": 224.1
  },
  "luminance": 0.37624
}

Semantic roles & 50–950 ramp

primary
#63AFCB
secondary
#D9BCB1
accent
#744EDA
background
#F9FCFD
surface
#F2F8FA
border
#CCD1D3
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #63AFCB

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

Preview Lab → · Contrast checker → · Palette generator →

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