#3F6ED0#3F6ED0

#3F6ED0 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.7% C 0.160 H 263.0°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX#3F6ED0
RGBrgb(63, 110, 208)
HSLhsl(221, 61%, 53%)
HSVhsv(221, 70%, 82%)
CMYKcmyk(69.7%, 47.1%, 0%, 18.4%)
CIE-LABlab(47.96, 16.71, -55.41)
CIE-LCHlch(47.96, 57.87, 286.78°)
OKLaboklab(55.7% -0.0195 -0.1588)
OKLCHoklch(55.7% 0.16 263)
XYZxyz(19.0070, 16.7607, 61.8957)
Luminance0.1676 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F6ED0 #D0A13F
analogous
#3FB6D0 #3F6ED0 #593FD0
triadic
#3F6ED0 #D03F6E #6ED03F
tetradic
#3F6ED0 #D03FB6 #D0A13F #3FD059
square
#3F6ED0 #D03FB6 #D0A13F #3FD059
split-complementary
#3F6ED0 #D0593F #B6D03F
monochromatic
#1D3A77 #2953A9 #3F6ED0 #7093DC #A1B8E8

Accessibility & contrast

On white

4.82
#3F6ED0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.35
#3F6ED0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6ED0
4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F6ED0#FFFFFF#000000##FFFFFF
##3F6ED01.004.824.354.82
#FFFFFF4.821.0021.001.00
#0000004.3521.001.0021.00
##FFFFFF4.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A79D4
Deuteranopia (green-blind)
#176CCE
Tritanopia (blue-blind)
#008595
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #3f6ed0;
/* rgb */ color: rgb(63, 110, 208);
/* oklch */ color: oklch(55.7% 0.160 263.0);
Tailwind
colors: {
  custom: {
    50: '#8597df',
    500: '#3f6ed0',
    950: '#000000',
  },
}
SCSS
$custom: #3f6ed0;
$custom-light: #8597df;
$custom-dark: #000000;
JSON
{
  "hex": "#3f6ed0",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 208
  },
  "hsl": {
    "h": 220.552,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55699,
    "c": 0.16001,
    "h": 263
  },
  "luminance": 0.16763
}

Semantic roles & 50–950 ramp

primary
#3F6ED0
secondary
#D5C096
accent
#B044E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3F6ED0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F6ED0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva