#3C99D3#3C99D3

#3C99D3 is a light, vivid cyan. Relative luminance 0.284; OKLCH L 65.3% C 0.122 H 240.0°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX#3C99D3
RGBrgb(60, 153, 211)
HSLhsl(203, 63%, 53%)
HSVhsv(203, 72%, 83%)
CMYKcmyk(71.6%, 27.5%, 0%, 17.3%)
CIE-LABlab(60.29, -8.43, -37.55)
CIE-LCHlch(60.29, 38.48, 257.34°)
OKLaboklab(65.35% -0.0611 -0.106)
OKLCHoklch(65.35% 0.122 240)
XYZxyz(25.0080, 28.4435, 65.7875)
Luminance0.2845 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3C99D3 #D3763C
analogous
#3CD3C1 #3C99D3 #3C4DD3
triadic
#3C99D3 #D33C99 #99D33C
tetradic
#3C99D3 #C13CD3 #D3763C #4DD33C
square
#3C99D3 #C13CD3 #D3763C #4DD33C
split-complementary
#3C99D3 #D33C4D #D3C13C
monochromatic
#1B5579 #2778AB #3C99D3 #6EB3DE #A0CDEA

Accessibility & contrast

On white

3.14
#3C99D3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.69
#3C99D3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C99D3
6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3C99D3#FFFFFF#000000##000000
##3C99D31.003.146.696.69
#FFFFFF3.141.0021.0021.00
#0000006.6921.001.001.00
##0000006.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E99D6
Deuteranopia (green-blind)
#698BD2
Tritanopia (blue-blind)
#00A8AD
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #3c99d3;
/* rgb */ color: rgb(60, 153, 211);
/* oklch */ color: oklch(65.3% 0.122 240.0);
Tailwind
colors: {
  custom: {
    50: '#84b6e0',
    500: '#3c99d3',
    950: '#000000',
  },
}
SCSS
$custom: #3c99d3;
$custom-light: #84b6e0;
$custom-dark: #000000;
JSON
{
  "hex": "#3c99d3",
  "rgb": {
    "r": 60,
    "g": 153,
    "b": 211
  },
  "hsl": {
    "h": 203.046,
    "s": 63.18,
    "l": 53.137
  },
  "oklch": {
    "l": 0.6535,
    "c": 0.12236,
    "h": 240
  },
  "luminance": 0.28446
}

Semantic roles & 50–950 ramp

primary
#3C99D3
secondary
#D6AE95
accent
#8142E6
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3C99D3

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

Preview Lab → · Contrast checker → · Palette generator →

#3C99D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva