#3969BD#3969BD

#3969BD is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.1% C 0.142 H 260.7°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX#3969BD
RGBrgb(57, 105, 189)
HSLhsl(218, 54%, 48%)
HSVhsv(218, 70%, 74%)
CMYKcmyk(69.8%, 44.4%, 0%, 25.9%)
CIE-LABlab(45.14, 12.07, -49.00)
CIE-LCHlch(45.14, 50.47, 283.83°)
OKLaboklab(53.09% -0.0229 -0.1402)
OKLCHoklch(53.09% 0.142 260.7)
XYZxyz(15.9209, 14.6455, 50.1221)
Luminance0.1465 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3969BD #BD8D39
analogous
#39ABBD #3969BD #4B39BD
triadic
#3969BD #BD3969 #69BD39
tetradic
#3969BD #BD39AB #BD8D39 #39BD4B
square
#3969BD #BD39AB #BD8D39 #39BD4B
split-complementary
#3969BD #BD4B39 #ABBD39
monochromatic
#1D355F #2B4F8E #3969BD #638BD0 #92AEDE

Accessibility & contrast

On white

5.34
#3969BD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.93
#3969BD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969BD
5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3969BD#FFFFFF#000000##FFFFFF
##3969BD1.005.343.935.34
#FFFFFF5.341.0021.001.00
#0000003.9321.001.0021.00
##FFFFFF5.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4071C0
Deuteranopia (green-blind)
#2765BB
Tritanopia (blue-blind)
#007D8A
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #3969bd;
/* rgb */ color: rgb(57, 105, 189);
/* oklch */ color: oklch(53.1% 0.142 260.7);
Tailwind
colors: {
  custom: {
    50: '#7f93d1',
    500: '#3969bd',
    950: '#000000',
  },
}
SCSS
$custom: #3969bd;
$custom-light: #7f93d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3969bd",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 189
  },
  "hsl": {
    "h": 218.182,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53093,
    "c": 0.14203,
    "h": 260.7
  },
  "luminance": 0.14647
}

Semantic roles & 50–950 ramp

primary
#3969BD
secondary
#C9B289
accent
#A84BDD
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D14
muted
#7C7E82

Preview Lab

Preview with #3969BD

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

Preview Lab → · Contrast checker → · Palette generator →

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