#3927B2#3927B2

#3927B2 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.3% C 0.204 H 277.8°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX#3927B2
RGBrgb(57, 39, 178)
HSLhsl(248, 64%, 43%)
HSVhsv(248, 78%, 70%)
CMYKcmyk(68%, 78.1%, 0%, 30.2%)
CIE-LABlab(28.21, 48.96, -70.09)
CIE-LCHlch(28.21, 85.50, 304.93°)
OKLaboklab(40.27% 0.0277 -0.2025)
OKLCHoklch(40.27% 0.204 277.8)
XYZxyz(10.4461, 5.5343, 42.6286)
Luminance0.0554 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3927B2 #A0B227
analogous
#275AB2 #3927B2 #7F27B2
triadic
#3927B2 #B23927 #27B239
tetradic
#3927B2 #B2275A #A0B227 #27B27F
square
#3927B2 #B2275A #A0B227 #27B27F
split-complementary
#3927B2 #B27F27 #5AB227
monochromatic
#19114E #291C80 #3927B2 #5441D5 #8173E0

Accessibility & contrast

On white

9.97
#3927B2 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.11
#3927B2 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3927B2
9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3927B2#FFFFFF#000000##FFFFFF
##3927B21.009.972.119.97
#FFFFFF9.971.0021.001.00
#0000002.1121.001.0021.00
##FFFFFF9.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0048B6
Deuteranopia (green-blind)
#003DB0
Tritanopia (blue-blind)
#00516C
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #3927b2;
/* rgb */ color: rgb(57, 39, 178);
/* oklch */ color: oklch(40.3% 0.204 277.8);
Tailwind
colors: {
  custom: {
    50: '#8165ca',
    500: '#3927b2',
    950: '#000000',
  },
}
SCSS
$custom: #3927b2;
$custom-light: #8165ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3927b2",
  "rgb": {
    "r": 57,
    "g": 39,
    "b": 178
  },
  "hsl": {
    "h": 247.77,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4027,
    "c": 0.2044,
    "h": 277.8
  },
  "luminance": 0.05535
}

Semantic roles & 50–950 ramp

primary
#3927B2
secondary
#BCC86D
accent
#E741D2
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0613
muted
#7D7A82

Preview Lab

Preview with #3927B2

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

Preview Lab → · Contrast checker → · Palette generator →

#3927B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva