#3969C5#3969C5

#3969C5 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.6% C 0.153 H 261.9°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#3969C5
RGBrgb(57, 105, 197)
HSLhsl(219, 55%, 50%)
HSVhsv(219, 71%, 77%)
CMYKcmyk(71.1%, 46.7%, 0%, 22.7%)
CIE-LABlab(45.64, 15.00, -52.84)
CIE-LCHlch(45.64, 54.93, 285.85°)
OKLaboklab(53.63% -0.0215 -0.1514)
OKLCHoklch(53.63% 0.153 261.9)
XYZxyz(16.8134, 15.0025, 54.8222)
Luminance0.1500 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3969C5 #C59539
analogous
#39AFC5 #3969C5 #4F39C5
triadic
#3969C5 #C53969 #69C539
tetradic
#3969C5 #C539AF #C59539 #39C54F
square
#3969C5 #C539AF #C59539 #39C54F
split-complementary
#3969C5 #C54F39 #AFC539
monochromatic
#1E3666 #2B5096 #3969C5 #688DD3 #97B1E1

Accessibility & contrast

On white

5.25
#3969C5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.00
#3969C5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969C5
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3969C5#FFFFFF#000000##FFFFFF
##3969C51.005.254.005.25
#FFFFFF5.251.0021.001.00
#0000004.0021.001.0021.00
##FFFFFF5.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3973C8
Deuteranopia (green-blind)
#1866C3
Tritanopia (blue-blind)
#007F8D
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #3969c5;
/* rgb */ color: rgb(57, 105, 197);
/* oklch */ color: oklch(53.6% 0.153 261.9);
Tailwind
colors: {
  custom: {
    50: '#8093d7',
    500: '#3969c5',
    950: '#000000',
  },
}
SCSS
$custom: #3969c5;
$custom-light: #8093d7;
$custom-dark: #000000;
JSON
{
  "hex": "#3969c5",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 197
  },
  "hsl": {
    "h": 219.429,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.53631,
    "c": 0.15296,
    "h": 261.9
  },
  "luminance": 0.15004
}

Semantic roles & 50–950 ramp

primary
#3969C5
secondary
#CDB78D
accent
#AB49DE
background
#F8F9FD
surface
#F0F1FA
border
#CBCBD3
text
#0C0D14
muted
#7D7E83

Preview Lab

Preview with #3969C5

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

Preview Lab → · Contrast checker → · Palette generator →

#3969C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva