#3964C5#3964C5

#3964C5 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.6% C 0.159 H 263.8°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#3964C5
RGBrgb(57, 100, 197)
HSLhsl(222, 55%, 50%)
HSVhsv(222, 71%, 77%)
CMYKcmyk(71.1%, 49.2%, 0%, 22.7%)
CIE-LABlab(44.25, 18.19, -55.07)
CIE-LCHlch(44.25, 57.99, 288.28°)
OKLaboklab(52.57% -0.0171 -0.1581)
OKLCHoklch(52.57% 0.159 263.8)
XYZxyz(16.3190, 14.0137, 54.6574)
Luminance0.1401 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3964C5 #C59A39
analogous
#39AAC5 #3964C5 #5439C5
triadic
#3964C5 #C53964 #64C539
tetradic
#3964C5 #C539AA #C59A39 #39C554
square
#3964C5 #C539AA #C59A39 #39C554
split-complementary
#3964C5 #C55439 #AAC539
monochromatic
#1E3466 #2B4C96 #3964C5 #6889D3 #97AEE1

Accessibility & contrast

On white

5.52
#3964C5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.80
#3964C5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3964C5
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3964C5#FFFFFF#000000##FFFFFF
##3964C51.005.523.805.52
#FFFFFF5.521.0021.001.00
#0000003.8021.001.0021.00
##FFFFFF5.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D6FC9
Deuteranopia (green-blind)
#0063C3
Tritanopia (blue-blind)
#007B8B
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #3964c5;
/* rgb */ color: rgb(57, 100, 197);
/* oklch */ color: oklch(52.6% 0.159 263.8);
Tailwind
colors: {
  custom: {
    50: '#808fd7',
    500: '#3964c5',
    950: '#000000',
  },
}
SCSS
$custom: #3964c5;
$custom-light: #808fd7;
$custom-dark: #000000;
JSON
{
  "hex": "#3964c5",
  "rgb": {
    "r": 57,
    "g": 100,
    "b": 197
  },
  "hsl": {
    "h": 221.571,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.5257,
    "c": 0.15901,
    "h": 263.8
  },
  "luminance": 0.14015
}

Semantic roles & 50–950 ramp

primary
#3964C5
secondary
#CDB98D
accent
#B149DE
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0C0C14
muted
#7D7D83

Preview Lab

Preview with #3964C5

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

Preview Lab → · Contrast checker → · Palette generator →

#3964C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva