#3964C6#3964C6

#3964C6 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.6% C 0.160 H 263.9°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX#3964C6
RGBrgb(57, 100, 198)
HSLhsl(222, 55%, 50%)
HSVhsv(222, 71%, 78%)
CMYKcmyk(71.2%, 49.5%, 0%, 22.4%)
CIE-LABlab(44.32, 18.56, -55.54)
CIE-LCHlch(44.32, 58.56, 288.48°)
OKLaboklab(52.64% -0.017 -0.1595)
OKLCHoklch(52.64% 0.16 263.9)
XYZxyz(16.4340, 14.0597, 55.2628)
Luminance0.1406 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3964C6 #C69B39
analogous
#39ABC6 #3964C6 #5439C6
triadic
#3964C6 #C63964 #64C639
tetradic
#3964C6 #C639AB #C69B39 #39C654
square
#3964C6 #C639AB #C69B39 #39C654
split-complementary
#3964C6 #C65439 #ABC639
monochromatic
#1E3467 #2B4C96 #3964C6 #6989D4 #98AEE1

Accessibility & contrast

On white

5.51
#3964C6 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#3964C6 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3964C6
5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3964C6#FFFFFF#000000##FFFFFF
##3964C61.005.513.815.51
#FFFFFF5.511.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C70CA
Deuteranopia (green-blind)
#0063C4
Tritanopia (blue-blind)
#007B8B
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #3964c6;
/* rgb */ color: rgb(57, 100, 198);
/* oklch */ color: oklch(52.6% 0.160 263.9);
Tailwind
colors: {
  custom: {
    50: '#818fd8',
    500: '#3964c6',
    950: '#000000',
  },
}
SCSS
$custom: #3964c6;
$custom-light: #818fd8;
$custom-dark: #000000;
JSON
{
  "hex": "#3964c6",
  "rgb": {
    "r": 57,
    "g": 100,
    "b": 198
  },
  "hsl": {
    "h": 221.702,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.52642,
    "c": 0.16038,
    "h": 263.9
  },
  "luminance": 0.14061
}

Semantic roles & 50–950 ramp

primary
#3964C6
secondary
#CDBA8E
accent
#B149DF
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0C0C14
muted
#7D7D83

Preview Lab

Preview with #3964C6

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

Preview Lab → · Contrast checker → · Palette generator →

#3964C6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva