#3924BB#3924BB

#3924BB is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.9% C 0.217 H 277.1°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX#3924BB
RGBrgb(57, 36, 187)
HSLhsl(248, 68%, 44%)
HSVhsv(248, 81%, 73%)
CMYKcmyk(69.5%, 80.7%, 0%, 26.7%)
CIE-LABlab(28.69, 53.12, -74.65)
CIE-LCHlch(28.69, 91.61, 305.43°)
OKLaboklab(40.9% 0.0267 -0.2157)
OKLCHoklch(40.9% 0.217 277.1)
XYZxyz(11.2849, 5.7184, 47.5131)
Luminance0.0572 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3924BB #A6BB24
analogous
#245ABB #3924BB #8424BB
triadic
#3924BB #BB3924 #24BB39
tetradic
#3924BB #BB245A #A6BB24 #24BB84
square
#3924BB #BB245A #A6BB24 #24BB84
split-complementary
#3924BB #BB8424 #5ABB24
monochromatic
#1A1054 #291A88 #3924BB #5742DB #8475E4

Accessibility & contrast

On white

9.80
#3924BB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.14
#3924BB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3924BB
9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3924BB#FFFFFF#000000##FFFFFF
##3924BB1.009.802.149.80
#FFFFFF9.801.0021.001.00
#0000002.1421.001.0021.00
##FFFFFF9.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004ABF
Deuteranopia (green-blind)
#003DB8
Tritanopia (blue-blind)
#005370
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #3924bb;
/* rgb */ color: rgb(57, 36, 187);
/* oklch */ color: oklch(40.9% 0.217 277.1);
Tailwind
colors: {
  custom: {
    50: '#8364d1',
    500: '#3924bb',
    950: '#000000',
  },
}
SCSS
$custom: #3924bb;
$custom-light: #8364d1;
$custom-dark: #000000;
JSON
{
  "hex": "#3924bb",
  "rgb": {
    "r": 57,
    "g": 36,
    "b": 187
  },
  "hsl": {
    "h": 248.344,
    "s": 67.713,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40897,
    "c": 0.21734,
    "h": 277.1
  },
  "luminance": 0.05719
}

Semantic roles & 50–950 ramp

primary
#3924BB
secondary
#BFCC6F
accent
#EB3DD2
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0614
muted
#7D7A83

Preview Lab

Preview with #3924BB

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

Preview Lab → · Contrast checker → · Palette generator →

#3924BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva