#3E99DB#3E99DB

#3E99DB is a light, vivid cyan. Relative luminance 0.289; OKLCH L 65.8% C 0.130 H 243.8°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX#3E99DB
RGBrgb(62, 153, 219)
HSLhsl(205, 69%, 55%)
HSVhsv(205, 72%, 86%)
CMYKcmyk(71.7%, 30.1%, 0%, 14.1%)
CIE-LABlab(60.71, -5.41, -41.34)
CIE-LCHlch(60.71, 41.70, 262.55°)
OKLaboklab(65.82% -0.0575 -0.117)
OKLCHoklch(65.82% 0.13 243.8)
XYZxyz(26.1591, 28.9181, 71.2072)
Luminance0.2892 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3E99DB #DB803E
analogous
#3EDBCF #3E99DB #3E4ADB
triadic
#3E99DB #DB3E99 #99DB3E
tetradic
#3E99DB #CF3EDB #DB803E #4ADB3E
square
#3E99DB #CF3EDB #DB803E #4ADB3E
split-complementary
#3E99DB #DB3E4A #DBCF3E
monochromatic
#195886 #237AB9 #3E99DB #72B4E5 #A5D0EE

Accessibility & contrast

On white

3.10
#3E99DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.78
#3E99DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E99DB
6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3E99DB#FFFFFF#000000##000000
##3E99DB1.003.106.786.78
#FFFFFF3.101.0021.0021.00
#0000006.7821.001.001.00
##0000006.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B9BDE
Deuteranopia (green-blind)
#658CDA
Tritanopia (blue-blind)
#00A9B0
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #3e99db;
/* rgb */ color: rgb(62, 153, 219);
/* oklch */ color: oklch(65.8% 0.130 243.8);
Tailwind
colors: {
  custom: {
    50: '#86b6e6',
    500: '#3e99db',
    950: '#000000',
  },
}
SCSS
$custom: #3e99db;
$custom-light: #86b6e6;
$custom-dark: #000000;
JSON
{
  "hex": "#3e99db",
  "rgb": {
    "r": 62,
    "g": 153,
    "b": 219
  },
  "hsl": {
    "h": 205.223,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.6582,
    "c": 0.13038,
    "h": 243.8
  },
  "luminance": 0.28921
}

Semantic roles & 50–950 ramp

primary
#3E99DB
secondary
#DBB599
accent
#863CEB
background
#F8FBFE
surface
#F0F6FC
border
#CBD0D5
text
#0D1116
muted
#7D8084

Preview Lab

Preview with #3E99DB

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

Preview Lab → · Contrast checker → · Palette generator →

#3E99DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva