#3B99CF#3B99CF

#3B99CF is a light, moderate cyan. Relative luminance 0.282; OKLCH L 65.1% C 0.119 H 237.9°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#3B99CF
RGBrgb(59, 153, 207)
HSLhsl(202, 61%, 52%)
HSVhsv(202, 71%, 81%)
CMYKcmyk(71.5%, 26.1%, 0%, 18.8%)
CIE-LABlab(60.08, -9.93, -35.64)
CIE-LCHlch(60.08, 37.00, 254.42°)
OKLaboklab(65.12% -0.063 -0.1005)
OKLCHoklch(65.12% 0.119 237.9)
XYZxyz(24.4529, 28.2145, 63.1766)
Luminance0.2822 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B99CF #CF713B
analogous
#3BCFBB #3B99CF #3B4FCF
triadic
#3B99CF #CF3B99 #99CF3B
tetradic
#3B99CF #BB3BCF #CF713B #4FCF3B
square
#3B99CF #BB3BCF #CF713B #4FCF3B
split-complementary
#3B99CF #CF3B4F #CFBB3B
monochromatic
#1C5473 #2877A5 #3B99CF #6CB3DB #9DCCE7

Accessibility & contrast

On white

3.16
#3B99CF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.64
#3B99CF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99CF
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B99CF#FFFFFF#000000##000000
##3B99CF1.003.166.646.64
#FFFFFF3.161.0021.0021.00
#0000006.6421.001.001.00
##0000006.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8099D1
Deuteranopia (green-blind)
#6B8ACE
Tritanopia (blue-blind)
#00A7AC
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #3b99cf;
/* rgb */ color: rgb(59, 153, 207);
/* oklch */ color: oklch(65.1% 0.119 237.9);
Tailwind
colors: {
  custom: {
    50: '#83b6de',
    500: '#3b99cf',
    950: '#000000',
  },
}
SCSS
$custom: #3b99cf;
$custom-light: #83b6de;
$custom-dark: #000000;
JSON
{
  "hex": "#3b99cf",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 207
  },
  "hsl": {
    "h": 201.892,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65121,
    "c": 0.11856,
    "h": 237.9
  },
  "luminance": 0.28217
}

Semantic roles & 50–950 ramp

primary
#3B99CF
secondary
#D3AA93
accent
#7E44E4
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3B99CF

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

Preview Lab → · Contrast checker → · Palette generator →

#3B99CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva