#3720AD#3720AD

#3720AD is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.8% C 0.205 H 278.3°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX#3720AD
RGBrgb(55, 32, 173)
HSLhsl(250, 69%, 40%)
HSVhsv(250, 82%, 68%)
CMYKcmyk(68.2%, 81.5%, 0%, 32.2%)
CIE-LABlab(26.34, 50.63, -70.20)
CIE-LCHlch(26.34, 86.55, 305.80°)
OKLaboklab(38.77% 0.0296 -0.2028)
OKLCHoklch(38.77% 0.205 278.3)
XYZxyz(9.6325, 4.8615, 39.9578)
Luminance0.0486 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3720AD #96AD20
analogous
#2050AD #3720AD #7D20AD
triadic
#3720AD #AD3720 #20AD37
tetradic
#3720AD #AD2050 #96AD20 #20AD7D
square
#3720AD #AD2050 #96AD20 #20AD7D
split-complementary
#3720AD #AD7D20 #50AD20
monochromatic
#160D46 #271679 #3720AD #4D31D9 #7965E2

Accessibility & contrast

On white

10.65
#3720AD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.97
#3720AD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3720AD
10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3720AD#FFFFFF#000000##FFFFFF
##3720AD1.0010.651.9710.65
#FFFFFF10.651.0021.001.00
#0000001.9721.001.0021.00
##FFFFFF10.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0044B1
Deuteranopia (green-blind)
#0038AB
Tritanopia (blue-blind)
#004C68
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #3720ad;
/* rgb */ color: rgb(55, 32, 173);
/* oklch */ color: oklch(38.8% 0.205 278.3);
Tailwind
colors: {
  custom: {
    50: '#8061c7',
    500: '#3720ad',
    950: '#000000',
  },
}
SCSS
$custom: #3720ad;
$custom-light: #8061c7;
$custom-dark: #000000;
JSON
{
  "hex": "#3720ad",
  "rgb": {
    "r": 55,
    "g": 32,
    "b": 173
  },
  "hsl": {
    "h": 249.787,
    "s": 68.78,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38768,
    "c": 0.20491,
    "h": 278.3
  },
  "luminance": 0.04862
}

Semantic roles & 50–950 ramp

primary
#3720AD
secondary
#B7C861
accent
#EC3CCF
background
#F8F5FC
surface
#F0EAF8
border
#CBC6D1
text
#0C0513
muted
#7D7982

Preview Lab

Preview with #3720AD

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

Preview Lab → · Contrast checker → · Palette generator →

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