#3924B1#3924B1

#3924B1 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.8% C 0.206 H 278.2°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX#3924B1
RGBrgb(57, 36, 177)
HSLhsl(249, 66%, 42%)
HSVhsv(249, 80%, 69%)
CMYKcmyk(67.8%, 79.7%, 0%, 30.6%)
CIE-LABlab(27.59, 50.13, -70.52)
CIE-LCHlch(27.59, 86.52, 305.41°)
OKLaboklab(39.81% 0.0295 -0.2037)
OKLCHoklch(39.81% 0.206 278.2)
XYZxyz(10.2515, 5.3050, 42.0702)
Luminance0.0531 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3924B1 #9CB124
analogous
#2456B1 #3924B1 #8024B1
triadic
#3924B1 #B13924 #24B139
tetradic
#3924B1 #B12456 #9CB124 #24B180
square
#3924B1 #B12456 #9CB124 #24B180
split-complementary
#3924B1 #B18024 #56B124
monochromatic
#180F4B #291A7E #3924B1 #523BD7 #7F6EE1

Accessibility & contrast

On white

10.19
#3924B1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#3924B1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3924B1
10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3924B1#FFFFFF#000000##FFFFFF
##3924B11.0010.192.0610.19
#FFFFFF10.191.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0047B5
Deuteranopia (green-blind)
#003BAF
Tritanopia (blue-blind)
#004F6B
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #3924b1;
/* rgb */ color: rgb(57, 36, 177);
/* oklch */ color: oklch(39.8% 0.206 278.2);
Tailwind
colors: {
  custom: {
    50: '#8163ca',
    500: '#3924b1',
    950: '#000000',
  },
}
SCSS
$custom: #3924b1;
$custom-light: #8163ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3924b1",
  "rgb": {
    "r": 57,
    "g": 36,
    "b": 177
  },
  "hsl": {
    "h": 248.936,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39807,
    "c": 0.20583,
    "h": 278.2
  },
  "luminance": 0.05306
}

Semantic roles & 50–950 ramp

primary
#3924B1
secondary
#BAC869
accent
#E93FD0
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0513
muted
#7D7A82

Preview Lab

Preview with #3924B1

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

Preview Lab → · Contrast checker → · Palette generator →

#3924B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva