#3428A4#3428A4

#3428A4 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.6% C 0.188 H 277.2°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX#3428A4
RGBrgb(52, 40, 164)
HSLhsl(246, 61%, 40%)
HSVhsv(246, 76%, 64%)
CMYKcmyk(68.3%, 75.6%, 0%, 35.7%)
CIE-LABlab(26.53, 43.52, -64.46)
CIE-LCHlch(26.53, 77.78, 304.03°)
OKLaboklab(38.55% 0.0237 -0.1862)
OKLCHoklch(38.55% 0.188 277.2)
XYZxyz(8.8736, 4.9272, 35.5982)
Luminance0.0493 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3428A4 #98A428
analogous
#285AA4 #3428A4 #7228A4
triadic
#3428A4 #A43428 #28A434
tetradic
#3428A4 #A4285A #98A428 #28A472
square
#3428A4 #A4285A #98A428 #28A472
split-complementary
#3428A4 #A47228 #5AA428
monochromatic
#151042 #241C73 #3428A4 #493ACF #766BDB

Accessibility & contrast

On white

10.58
#3428A4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#3428A4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428A4
10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3428A4#FFFFFF#000000##FFFFFF
##3428A41.0010.581.9910.58
#FFFFFF10.581.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0044A8
Deuteranopia (green-blind)
#0039A2
Tritanopia (blue-blind)
#004C64
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #3428a4;
/* rgb */ color: rgb(52, 40, 164);
/* oklch */ color: oklch(38.6% 0.188 277.2);
Tailwind
colors: {
  custom: {
    50: '#7c64c0',
    500: '#3428a4',
    950: '#000000',
  },
}
SCSS
$custom: #3428a4;
$custom-light: #7c64c0;
$custom-dark: #000000;
JSON
{
  "hex": "#3428a4",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 164
  },
  "hsl": {
    "h": 245.806,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.38552,
    "c": 0.18773,
    "h": 277.2
  },
  "luminance": 0.04928
}

Semantic roles & 50–950 ramp

primary
#3428A4
secondary
#B9C166
accent
#E444D4
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0B0612
muted
#7C7A81

Preview Lab

Preview with #3428A4

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

Preview Lab → · Contrast checker → · Palette generator →

#3428A4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva