#3B99C3#3B99C3

#3B99C3 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.5% C 0.107 H 231.2°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX#3B99C3
RGBrgb(59, 153, 195)
HSLhsl(199, 54%, 50%)
HSVhsv(199, 70%, 76%)
CMYKcmyk(69.7%, 21.5%, 0%, 23.5%)
CIE-LABlab(59.57, -13.97, -29.70)
CIE-LCHlch(59.57, 32.82, 244.80°)
OKLaboklab(64.55% -0.0671 -0.0833)
OKLCHoklch(64.55% 0.107 231.2)
XYZxyz(23.0413, 27.6498, 55.7418)
Luminance0.2765 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B99C3 #C3653B
analogous
#3BC3A9 #3B99C3 #3B55C3
triadic
#3B99C3 #C33B99 #99C33B
tetradic
#3B99C3 #A93BC3 #C3653B #55C33B
square
#3B99C3 #A93BC3 #C3653B #55C33B
split-complementary
#3B99C3 #C33B55 #C3A93B
monochromatic
#1F4F65 #2D7494 #3B99C3 #69B2D2 #98CAE0

Accessibility & contrast

On white

3.22
#3B99C3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.53
#3B99C3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99C3
6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B99C3#FFFFFF#000000##000000
##3B99C31.003.226.536.53
#FFFFFF3.221.0021.0021.00
#0000006.5321.001.001.00
##0000006.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8497C5
Deuteranopia (green-blind)
#718AC2
Tritanopia (blue-blind)
#00A4A7
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #3b99c3;
/* rgb */ color: rgb(59, 153, 195);
/* oklch */ color: oklch(64.5% 0.107 231.2);
Tailwind
colors: {
  custom: {
    50: '#81b7d5',
    500: '#3b99c3',
    950: '#000000',
  },
}
SCSS
$custom: #3b99c3;
$custom-light: #81b7d5;
$custom-dark: #000000;
JSON
{
  "hex": "#3b99c3",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 195
  },
  "hsl": {
    "h": 198.529,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.64546,
    "c": 0.10699,
    "h": 231.2
  },
  "luminance": 0.27652
}

Semantic roles & 50–950 ramp

primary
#3B99C3
secondary
#CCA18E
accent
#784BDD
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #3B99C3

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

Preview Lab → · Contrast checker → · Palette generator →

#3B99C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva