#3967D8#3967D8

#3967D8 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.6% C 0.181 H 264.5°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#3967D8
RGBrgb(57, 103, 216)
HSLhsl(223, 67%, 54%)
HSVhsv(223, 74%, 85%)
CMYKcmyk(73.6%, 52.3%, 0%, 15.3%)
CIE-LABlab(46.35, 23.25, -62.58)
CIE-LCHlch(46.35, 66.76, 290.38°)
OKLaboklab(54.57% -0.0175 -0.1801)
OKLCHoklch(54.57% 0.181 264.5)
XYZxyz(18.9279, 15.5262, 66.9517)
Luminance0.1553 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3967D8 #D8AA39
analogous
#39B6D8 #3967D8 #5A39D8
triadic
#3967D8 #D83967 #67D839
tetradic
#3967D8 #D839B6 #D8AA39 #39D85A
square
#3967D8 #D839B6 #D8AA39 #39D85A
split-complementary
#3967D8 #D85A39 #B6D839
monochromatic
#19367E #234CB1 #3967D8 #6C8EE2 #9FB5EC

Accessibility & contrast

On white

5.11
#3967D8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.11
#3967D8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967D8
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3967D8#FFFFFF#000000##FFFFFF
##3967D81.005.114.115.11
#FFFFFF5.111.0021.001.00
#0000004.1121.001.0021.00
##FFFFFF5.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1775DC
Deuteranopia (green-blind)
#0067D6
Tritanopia (blue-blind)
#008295
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #3967d8;
/* rgb */ color: rgb(57, 103, 216);
/* oklch */ color: oklch(54.6% 0.181 264.5);
Tailwind
colors: {
  custom: {
    50: '#8491e5',
    500: '#3967d8',
    950: '#000000',
  },
}
SCSS
$custom: #3967d8;
$custom-light: #8491e5;
$custom-dark: #000000;
JSON
{
  "hex": "#3967d8",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 216
  },
  "hsl": {
    "h": 222.642,
    "s": 67.089,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54572,
    "c": 0.18098,
    "h": 264.5
  },
  "luminance": 0.15528
}

Semantic roles & 50–950 ramp

primary
#3967D8
secondary
#D8C594
accent
#B83EEA
background
#F8F8FE
surface
#F0F0FC
border
#CBCBD5
text
#0C0C16
muted
#7D7D84

Preview Lab

Preview with #3967D8

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

Preview Lab → · Contrast checker → · Palette generator →

#3967D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva