#3924B2#3924B2

#3924B2 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.9% C 0.207 H 278.1°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#3924B2
RGB	rgb(57, 36, 178)
HSL	hsl(249, 66%, 42%)
HSV	hsv(249, 80%, 70%)
CMYK	cmyk(68%, 79.8%, 0%, 30.2%)
CIE-LAB	lab(27.70, 50.43, -70.94)
CIE-LCH	lch(27.70, 87.04, 305.41°)
OKLab	oklab(39.92% 0.0292 -0.2049)
OKLCH	oklch(39.92% 0.207 278.1)
XYZ	xyz(10.3515, 5.3451, 42.5970)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3924B2 #9DB224

analogous

#2456B2 #3924B2 #8024B2

triadic

#3924B2 #B23924 #24B239

tetradic

#3924B2 #B22456 #9DB224 #24B280

square

#3924B2 #B22456 #9DB224 #24B280

split-complementary

#3924B2 #B28024 #56B224

monochromatic

#180F4C #291A7F #3924B2 #533CD8 #806FE2

Accessibility & contrast

On white

10.15

#3924B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3924B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3924B2

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3924B2	#FFFFFF	#000000	##FFFFFF
##3924B2	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B6

Deuteranopia (green-blind)

#003BB0

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3924b2;
/* rgb */ color: rgb(57, 36, 178);
/* oklch */ color: oklch(39.9% 0.207 278.1);

Tailwind

colors: {
  custom: {
    50: '#8163ca',
    500: '#3924b2',
    950: '#000000',
  },
}

SCSS

$custom: #3924b2;
$custom-light: #8163ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3924b2",
  "rgb": {
    "r": 57,
    "g": 36,
    "b": 178
  },
  "hsl": {
    "h": 248.873,
    "s": 66.355,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39915,
    "c": 0.20699,
    "h": 278.1
  },
  "luminance": 0.05346
}

Semantic roles & 50–950 ramp

primary

#3924B2

secondary

#BAC869

accent

#E93FD0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3924B2

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

Preview Lab → · Contrast checker → · Palette generator →