#3B99D1#3B99D1

#3B99D1 is a light, vivid cyan. Relative luminance 0.283; OKLCH L 65.2% C 0.121 H 238.9°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX#3B99D1
RGBrgb(59, 153, 209)
HSLhsl(202, 62%, 53%)
HSVhsv(202, 72%, 82%)
CMYKcmyk(71.8%, 26.8%, 0%, 18%)
CIE-LABlab(60.17, -9.25, -36.62)
CIE-LCHlch(60.17, 37.77, 255.82°)
OKLaboklab(65.22% -0.0623 -0.1033)
OKLCHoklch(65.22% 0.121 238.9)
XYZxyz(24.6990, 28.3129, 64.4725)
Luminance0.2832 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B99D1 #D1733B
analogous
#3BD1BE #3B99D1 #3B4ED1
triadic
#3B99D1 #D13B99 #99D13B
tetradic
#3B99D1 #BE3BD1 #D1733B #4ED13B
square
#3B99D1 #BE3BD1 #D1733B #4ED13B
split-complementary
#3B99D1 #D13B4E #D1BE3B
monochromatic
#1C5476 #2778A7 #3B99D1 #6DB3DD #9ECDE8

Accessibility & contrast

On white

3.15
#3B99D1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.66
#3B99D1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99D1
6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B99D1#FFFFFF#000000##000000
##3B99D11.003.156.666.66
#FFFFFF3.151.0021.0021.00
#0000006.6621.001.001.00
##0000006.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F99D4
Deuteranopia (green-blind)
#6A8BD0
Tritanopia (blue-blind)
#00A7AC
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #3b99d1;
/* rgb */ color: rgb(59, 153, 209);
/* oklch */ color: oklch(65.2% 0.121 238.9);
Tailwind
colors: {
  custom: {
    50: '#83b6df',
    500: '#3b99d1',
    950: '#000000',
  },
}
SCSS
$custom: #3b99d1;
$custom-light: #83b6df;
$custom-dark: #000000;
JSON
{
  "hex": "#3b99d1",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 209
  },
  "hsl": {
    "h": 202.4,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.6522,
    "c": 0.12064,
    "h": 238.9
  },
  "luminance": 0.28316
}

Semantic roles & 50–950 ramp

primary
#3B99D1
secondary
#D4AC93
accent
#7F43E5
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3B99D1

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

Preview Lab → · Contrast checker → · Palette generator →

#3B99D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva