#3720C1#3720C1

#3720C1 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 41.0% C 0.228 H 276.0°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX#3720C1
RGBrgb(55, 32, 193)
HSLhsl(249, 72%, 44%)
HSVhsv(249, 83%, 76%)
CMYKcmyk(71.5%, 83.4%, 0%, 24.3%)
CIE-LABlab(28.63, 56.47, -78.30)
CIE-LCHlch(28.63, 96.54, 305.80°)
OKLaboklab(41.01% 0.0236 -0.2263)
OKLCHoklch(41.01% 0.228 276)
XYZxyz(11.7145, 5.6944, 50.9235)
Luminance0.0570 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3720C1 #AAC120
analogous
#205AC1 #3720C1 #8820C1
triadic
#3720C1 #C13720 #20C137
tetradic
#3720C1 #C1205A #AAC120 #20C188
square
#3720C1 #C1205A #AAC120 #20C188
split-complementary
#3720C1 #C18820 #5AC120
monochromatic
#190F58 #28178D #3720C1 #563FDF #8474E8

Accessibility & contrast

On white

9.82
#3720C1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.14
#3720C1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3720C1
9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3720C1#FFFFFF#000000##FFFFFF
##3720C11.009.822.149.82
#FFFFFF9.821.0021.001.00
#0000002.1421.001.0021.00
##FFFFFF9.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004AC5
Deuteranopia (green-blind)
#003CBE
Tritanopia (blue-blind)
#005473
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #3720c1;
/* rgb */ color: rgb(55, 32, 193);
/* oklch */ color: oklch(41.0% 0.228 276.0);
Tailwind
colors: {
  custom: {
    50: '#8462d5',
    500: '#3720c1',
    950: '#000000',
  },
}
SCSS
$custom: #3720c1;
$custom-light: #8462d5;
$custom-dark: #000000;
JSON
{
  "hex": "#3720c1",
  "rgb": {
    "r": 55,
    "g": 32,
    "b": 193
  },
  "hsl": {
    "h": 248.571,
    "s": 71.556,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41014,
    "c": 0.22752,
    "h": 276
  },
  "luminance": 0.05696
}

Semantic roles & 50–950 ramp

primary
#3720C1
secondary
#C1CF6E
accent
#EE3AD4
background
#F9F6FD
surface
#F1EBFA
border
#CBC6D3
text
#0D0514
muted
#7E7A83

Preview Lab

Preview with #3720C1

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

Preview Lab → · Contrast checker → · Palette generator →

#3720C1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva