#3924B0#3924B0

#3924B0 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.7% C 0.205 H 278.4°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX#3924B0
RGBrgb(57, 36, 176)
HSLhsl(249, 66%, 42%)
HSVhsv(249, 80%, 69%)
CMYKcmyk(67.6%, 79.5%, 0%, 31%)
CIE-LABlab(27.48, 49.83, -70.10)
CIE-LCHlch(27.48, 86.01, 305.41°)
OKLaboklab(39.7% 0.0298 -0.2025)
OKLCHoklch(39.7% 0.205 278.4)
XYZxyz(10.1522, 5.2653, 41.5472)
Luminance0.0527 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3924B0 #9BB024
analogous
#2455B0 #3924B0 #7F24B0
triadic
#3924B0 #B03924 #24B039
tetradic
#3924B0 #B02455 #9BB024 #24B07F
square
#3924B0 #B02455 #9BB024 #24B07F
split-complementary
#3924B0 #B07F24 #55B024
monochromatic
#180F4A #291A7D #3924B0 #523AD7 #7F6DE1

Accessibility & contrast

On white

10.23
#3924B0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.05
#3924B0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3924B0
10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3924B0#FFFFFF#000000##FFFFFF
##3924B01.0010.232.0510.23
#FFFFFF10.231.0021.001.00
#0000002.0521.001.0021.00
##FFFFFF10.231.0021.001.00

Color blindness preview

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

Design tokens & code

CSS
--color: #3924b0;
/* rgb */ color: rgb(57, 36, 176);
/* oklch */ color: oklch(39.7% 0.205 278.4);
Tailwind
colors: {
  custom: {
    50: '#8163c9',
    500: '#3924b0',
    950: '#000000',
  },
}
SCSS
$custom: #3924b0;
$custom-light: #8163c9;
$custom-dark: #000000;
JSON
{
  "hex": "#3924b0",
  "rgb": {
    "r": 57,
    "g": 36,
    "b": 176
  },
  "hsl": {
    "h": 249,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39699,
    "c": 0.20467,
    "h": 278.4
  },
  "luminance": 0.05266
}

Semantic roles & 50–950 ramp

primary
#3924B0
secondary
#B9C868
accent
#E93FCF
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0513
muted
#7D7A82

Preview Lab

Preview with #3924B0

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

Preview Lab → · Contrast checker → · Palette generator →

#3924B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva