#3427B1#3427B1

#3427B1 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.8% C 0.204 H 275.9°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX#3427B1
RGBrgb(52, 39, 177)
HSLhsl(246, 64%, 42%)
HSVhsv(246, 78%, 69%)
CMYKcmyk(70.6%, 78%, 0%, 30.6%)
CIE-LABlab(27.72, 48.17, -70.31)
CIE-LCHlch(27.72, 85.23, 304.42°)
OKLaboklab(39.8% 0.0212 -0.2033)
OKLCHoklch(39.8% 0.204 275.9)
XYZxyz(10.0749, 5.3545, 42.0890)
Luminance0.0536 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3427B1 #A4B127
analogous
#275FB1 #3427B1 #7927B1
triadic
#3427B1 #B13427 #27B134
tetradic
#3427B1 #B1275F #A4B127 #27B179
square
#3427B1 #B1275F #A4B127 #27B179
split-complementary
#3427B1 #B17927 #5FB127
monochromatic
#17114D #251C7F #3427B1 #4E40D5 #7D72E0

Accessibility & contrast

On white

10.14
#3427B1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.07
#3427B1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3427B1
10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3427B1#FFFFFF#000000##FFFFFF
##3427B11.0010.142.0710.14
#FFFFFF10.141.0021.001.00
#0000002.0721.001.0021.00
##FFFFFF10.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0047B5
Deuteranopia (green-blind)
#003BAF
Tritanopia (blue-blind)
#00506B
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #3427b1;
/* rgb */ color: rgb(52, 39, 177);
/* oklch */ color: oklch(39.8% 0.204 275.9);
Tailwind
colors: {
  custom: {
    50: '#7f64ca',
    500: '#3427b1',
    950: '#000000',
  },
}
SCSS
$custom: #3427b1;
$custom-light: #7f64ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3427b1",
  "rgb": {
    "r": 52,
    "g": 39,
    "b": 177
  },
  "hsl": {
    "h": 245.652,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39803,
    "c": 0.20436,
    "h": 275.9
  },
  "luminance": 0.05355
}

Semantic roles & 50–950 ramp

primary
#3427B1
secondary
#BFC76D
accent
#E741D7
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0613
muted
#7D7A82

Preview Lab

Preview with #3427B1

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

Preview Lab → · Contrast checker → · Palette generator →

#3427B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva