#3969BE#3969BE

#3969BE is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.2% C 0.143 H 260.9°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#3969BE
RGBrgb(57, 105, 190)
HSLhsl(218, 54%, 48%)
HSVhsv(218, 70%, 75%)
CMYKcmyk(70%, 44.7%, 0%, 25.5%)
CIE-LABlab(45.21, 12.43, -49.49)
CIE-LCHlch(45.21, 51.02, 284.10°)
OKLaboklab(53.16% -0.0227 -0.1416)
OKLCHoklch(53.16% 0.143 260.9)
XYZxyz(16.0299, 14.6890, 50.6957)
Luminance0.1469 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3969BE #BE8E39
analogous
#39ABBE #3969BE #4B39BE
triadic
#3969BE #BE3969 #69BE39
tetradic
#3969BE #BE39AB #BE8E39 #39BE4B
square
#3969BE #BE39AB #BE8E39 #39BE4B
split-complementary
#3969BE #BE4B39 #ABBE39
monochromatic
#1D3560 #2B4F8F #3969BE #648BD0 #93AEDF

Accessibility & contrast

On white

5.33
#3969BE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.94
#3969BE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969BE
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3969BE#FFFFFF#000000##FFFFFF
##3969BE1.005.333.945.33
#FFFFFF5.331.0021.001.00
#0000003.9421.001.0021.00
##FFFFFF5.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F72C1
Deuteranopia (green-blind)
#2665BC
Tritanopia (blue-blind)
#007D8A
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #3969be;
/* rgb */ color: rgb(57, 105, 190);
/* oklch */ color: oklch(53.2% 0.143 260.9);
Tailwind
colors: {
  custom: {
    50: '#7f93d2',
    500: '#3969be',
    950: '#000000',
  },
}
SCSS
$custom: #3969be;
$custom-light: #7f93d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3969be",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 190
  },
  "hsl": {
    "h": 218.346,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.53159,
    "c": 0.14339,
    "h": 260.9
  },
  "luminance": 0.14691
}

Semantic roles & 50–950 ramp

primary
#3969BE
secondary
#CAB289
accent
#A84BDD
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D14
muted
#7C7E82

Preview Lab

Preview with #3969BE

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

Preview Lab → · Contrast checker → · Palette generator →

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