#3F94DB#3F94DB

#3F94DB is a light, vivid cyan. Relative luminance 0.274; OKLCH L 64.7% C 0.134 H 247.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#3F94DB
RGBrgb(63, 148, 219)
HSLhsl(207, 68%, 55%)
HSVhsv(207, 71%, 86%)
CMYKcmyk(71.2%, 32.4%, 0%, 14.1%)
CIE-LABlab(59.30, -2.40, -43.57)
CIE-LCHlch(59.30, 43.63, 266.85°)
OKLaboklab(64.71% -0.0522 -0.1235)
OKLCHoklch(64.71% 0.134 247.1)
XYZxyz(25.4211, 27.3482, 70.9431)
Luminance0.2735 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F94DB #DB863F
analogous
#3FDBD4 #3F94DB #3F46DB
triadic
#3F94DB #DB3F94 #94DB3F
tetradic
#3F94DB #D43FDB #DB863F #46DB3F
square
#3F94DB #D43FDB #DB863F #46DB3F
split-complementary
#3F94DB #DB3F46 #DBD43F
monochromatic
#195586 #2375BA #3F94DB #73B1E5 #A6CDEE

Accessibility & contrast

On white

3.25
#3F94DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.47
#3F94DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F94DB
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F94DB#FFFFFF#000000##000000
##3F94DB1.003.256.476.47
#FFFFFF3.251.0021.0021.00
#0000006.4721.001.001.00
##0000006.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7497DE
Deuteranopia (green-blind)
#5E88DA
Tritanopia (blue-blind)
#00A5AD
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #3f94db;
/* rgb */ color: rgb(63, 148, 219);
/* oklch */ color: oklch(64.7% 0.134 247.1);
Tailwind
colors: {
  custom: {
    50: '#86b3e6',
    500: '#3f94db',
    950: '#000000',
  },
}
SCSS
$custom: #3f94db;
$custom-light: #86b3e6;
$custom-dark: #000000;
JSON
{
  "hex": "#3f94db",
  "rgb": {
    "r": 63,
    "g": 148,
    "b": 219
  },
  "hsl": {
    "h": 207.308,
    "s": 68.421,
    "l": 55.294
  },
  "oklch": {
    "l": 0.64713,
    "c": 0.13411,
    "h": 247.1
  },
  "luminance": 0.27351
}

Semantic roles & 50–950 ramp

primary
#3F94DB
secondary
#DCB89A
accent
#8C3DEB
background
#F8FAFE
surface
#F0F5FC
border
#CBCFD5
text
#0D1116
muted
#7D8084

Preview Lab

Preview with #3F94DB

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

Preview Lab → · Contrast checker → · Palette generator →

#3F94DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva