#3727AF#3727AF

#3727AF is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.8% C 0.201 H 277.3°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX#3727AF
RGBrgb(55, 39, 175)
HSLhsl(247, 64%, 42%)
HSVhsv(247, 78%, 69%)
CMYKcmyk(68.6%, 77.7%, 0%, 31.4%)
CIE-LABlab(27.73, 47.84, -69.09)
CIE-LCHlch(27.73, 84.04, 304.70°)
OKLaboklab(39.8% 0.0257 -0.1996)
OKLCHoklch(39.8% 0.201 277.3)
XYZxyz(10.0364, 5.3575, 41.0543)
Luminance0.0536 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3727AF #9FAF27
analogous
#275BAF #3727AF #7B27AF
triadic
#3727AF #AF3727 #27AF37
tetradic
#3727AF #AF275B #9FAF27 #27AF7B
square
#3727AF #AF275B #9FAF27 #27AF7B
split-complementary
#3727AF #AF7B27 #5BAF27
monochromatic
#18114B #271C7D #3727AF #513FD4 #7E71DF

Accessibility & contrast

On white

10.14
#3727AF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.07
#3727AF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3727AF
10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3727AF#FFFFFF#000000##FFFFFF
##3727AF1.0010.142.0710.14
#FFFFFF10.141.0021.001.00
#0000002.0721.001.0021.00
##FFFFFF10.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0047B3
Deuteranopia (green-blind)
#003CAD
Tritanopia (blue-blind)
#004F6A
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #3727af;
/* rgb */ color: rgb(55, 39, 175);
/* oklch */ color: oklch(39.8% 0.201 277.3);
Tailwind
colors: {
  custom: {
    50: '#7f64c8',
    500: '#3727af',
    950: '#000000',
  },
}
SCSS
$custom: #3727af;
$custom-light: #7f64c8;
$custom-dark: #000000;
JSON
{
  "hex": "#3727af",
  "rgb": {
    "r": 55,
    "g": 39,
    "b": 175
  },
  "hsl": {
    "h": 247.059,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39803,
    "c": 0.20129,
    "h": 277.3
  },
  "luminance": 0.05358
}

Semantic roles & 50–950 ramp

primary
#3727AF
secondary
#BCC66B
accent
#E741D3
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0613
muted
#7D7A82

Preview Lab

Preview with #3727AF

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

Preview Lab → · Contrast checker → · Palette generator →

#3727AF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva