#3924A4#3924A4

#3924A4 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.4% C 0.191 H 280.0°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#3924A4
RGB	rgb(57, 36, 164)
HSL	hsl(250, 64%, 39%)
HSV	hsv(250, 78%, 64%)
CMYK	cmyk(65.2%, 78%, 0%, 35.7%)
CIE-LAB	lab(26.19, 46.19, -65.00)
CIE-LCH	lch(26.19, 79.74, 305.40°)
OKLab	oklab(38.42% 0.0331 -0.1876)
OKLCH	oklch(38.42% 0.191 280)
XYZ	xyz(9.0169, 4.8112, 35.5683)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3924A4 #8FA424

analogous

#244FA4 #3924A4 #7924A4

triadic

#3924A4 #A43924 #24A439

tetradic

#3924A4 #A4244F #8FA424 #24A479

square

#3924A4 #A4244F #8FA424 #24A479

split-complementary

#3924A4 #A47924 #4FA424

monochromatic

#160E40 #281972 #3924A4 #4D33D2 #7965DD

Accessibility & contrast

On white

10.70

#3924A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3924A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3924A4

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3924A4	#FFFFFF	#000000	##FFFFFF
##3924A4	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A8

Deuteranopia (green-blind)

#0039A2

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3924a4;
/* rgb */ color: rgb(57, 36, 164);
/* oklch */ color: oklch(38.4% 0.191 280.0);

Tailwind

colors: {
  custom: {
    50: '#7e62c0',
    500: '#3924a4',
    950: '#000000',
  },
}

SCSS

$custom: #3924a4;
$custom-light: #7e62c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3924a4",
  "rgb": {
    "r": 57,
    "g": 36,
    "b": 164
  },
  "hsl": {
    "h": 249.844,
    "s": 64,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38419,
    "c": 0.19054,
    "h": 280
  },
  "luminance": 0.04812
}

Semantic roles & 50–950 ramp

primary

#3924A4

secondary

#B3C361

accent

#E741CC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3924A4

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

Preview Lab → · Contrast checker → · Palette generator →