#3724B0#3724B0

#3724B0 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.5% C 0.205 H 277.6°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX#3724B0
RGBrgb(55, 36, 176)
HSLhsl(248, 66%, 42%)
HSVhsv(248, 80%, 69%)
CMYKcmyk(68.8%, 79.5%, 0%, 31%)
CIE-LABlab(27.32, 49.64, -70.37)
CIE-LCHlch(27.32, 86.12, 305.20°)
OKLaboklab(39.55% 0.027 -0.2033)
OKLCHoklch(39.55% 0.205 277.6)
XYZxyz(10.0404, 5.2077, 41.5419)
Luminance0.0521 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3724B0 #9DB024
analogous
#2457B0 #3724B0 #7D24B0
triadic
#3724B0 #B03724 #24B037
tetradic
#3724B0 #B02457 #9DB024 #24B07D
square
#3724B0 #B02457 #9DB024 #24B07D
split-complementary
#3724B0 #B07D24 #57B024
monochromatic
#170F4A #271A7D #3724B0 #503AD7 #7D6DE1

Accessibility & contrast

On white

10.29
#3724B0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.04
#3724B0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724B0
10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3724B0#FFFFFF#000000##FFFFFF
##3724B01.0010.292.0410.29
#FFFFFF10.291.0021.001.00
#0000002.0421.001.0021.00
##FFFFFF10.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0046B4
Deuteranopia (green-blind)
#003BAE
Tritanopia (blue-blind)
#004F6A
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #3724b0;
/* rgb */ color: rgb(55, 36, 176);
/* oklch */ color: oklch(39.5% 0.205 277.6);
Tailwind
colors: {
  custom: {
    50: '#8063c9',
    500: '#3724b0',
    950: '#000000',
  },
}
SCSS
$custom: #3724b0;
$custom-light: #8063c9;
$custom-dark: #000000;
JSON
{
  "hex": "#3724b0",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 176
  },
  "hsl": {
    "h": 248.143,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39547,
    "c": 0.2051,
    "h": 277.6
  },
  "luminance": 0.05209
}

Semantic roles & 50–950 ramp

primary
#3724B0
secondary
#BBC868
accent
#E93FD2
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0513
muted
#7D7A82

Preview Lab

Preview with #3724B0

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

Preview Lab → · Contrast checker → · Palette generator →

#3724B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva