#63A1CC#63A1CC

#63A1CC is a light, moderate cyan. Relative luminance 0.325; OKLCH L 68.4% C 0.090 H 240.2°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX#63A1CC
RGBrgb(99, 161, 204)
HSLhsl(205, 51%, 59%)
HSVhsv(205, 51%, 80%)
CMYKcmyk(51.5%, 21.1%, 0%, 20%)
CIE-LABlab(63.75, -7.99, -28.15)
CIE-LCHlch(63.75, 29.26, 254.15°)
OKLaboklab(68.4% -0.045 -0.0785)
OKLCHoklch(68.4% 0.09 240.2)
XYZxyz(28.7856, 32.4997, 61.8712)
Luminance0.3250 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A1CC #CC8E63
analogous
#63CCC2 #63A1CC #636DCC
triadic
#63A1CC #CC63A1 #A1CC63
tetradic
#63A1CC #C263CC #CC8E63 #6DCC63
square
#63A1CC #C263CC #CC8E63 #6DCC63
split-complementary
#63A1CC #CC636D #CCC263
monochromatic
#2C6388 #3C84B6 #63A1CC #91BDDB #BFD9EA

Accessibility & contrast

On white

2.80
#63A1CC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.50
#63A1CC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A1CC
7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A1CC#FFFFFF#000000##000000
##63A1CC1.002.807.507.50
#FFFFFF2.801.0021.0021.00
#0000007.5021.001.001.00
##0000007.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8EA1CE
Deuteranopia (green-blind)
#8096CB
Tritanopia (blue-blind)
#28ACAF
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #63a1cc;
/* rgb */ color: rgb(99, 161, 204);
/* oklch */ color: oklch(68.4% 0.090 240.2);
Tailwind
colors: {
  custom: {
    50: '#96bcdb',
    500: '#63a1cc',
    950: '#000000',
  },
}
SCSS
$custom: #63a1cc;
$custom-light: #96bcdb;
$custom-dark: #000000;
JSON
{
  "hex": "#63a1cc",
  "rgb": {
    "r": 99,
    "g": 161,
    "b": 204
  },
  "hsl": {
    "h": 204.571,
    "s": 50.725,
    "l": 59.412
  },
  "oklch": {
    "l": 0.68399,
    "c": 0.09044,
    "h": 240.2
  },
  "luminance": 0.32502
}

Semantic roles & 50–950 ramp

primary
#63A1CC
secondary
#DAC2B1
accent
#874EDA
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #63A1CC

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

Preview Lab → · Contrast checker → · Palette generator →

#63A1CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva