#3930CC#3930CC

#3930CC is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 44.1% C 0.227 H 274.4°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#3930CC
RGB	rgb(57, 48, 204)
HSL	hsl(243, 62%, 49%)
HSV	hsv(243, 76%, 80%)
CMYK	cmyk(72.1%, 76.5%, 0%, 20%)
CIE-LAB	lab(32.57, 52.41, -78.21)
CIE-LCH	lch(32.57, 94.14, 303.83°)
OKLab	oklab(44.15% 0.0174 -0.2262)
OKLCH	oklch(44.15% 0.227 274.4)
XYZ	xyz(13.6398, 7.3420, 57.8134)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.71

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3930CC #C3CC30

analogous

#3075CC #3930CC #8730CC

triadic

#3930CC #CC3930 #30CC39

tetradic

#3930CC #CC3075 #C3CC30 #30CC87

square

#3930CC #CC3075 #C3CC30 #30CC87

split-complementary

#3930CC #CC8730 #75CC30

monochromatic

#1D1969 #2B249A #3930CC #6760DA #9691E5

Accessibility & contrast

On white

8.51

#3930CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3930CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3930CC

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3930CC	#FFFFFF	#000000	##FFFFFF
##3930CC	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054D0

Deuteranopia (green-blind)

#0045C9

Tritanopia (blue-blind)

#005F7D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3930cc;
/* rgb */ color: rgb(57, 48, 204);
/* oklch */ color: oklch(44.1% 0.227 274.4);

Tailwind

colors: {
  custom: {
    50: '#866bdd',
    500: '#3930cc',
    950: '#000000',
  },
}

SCSS

$custom: #3930cc;
$custom-light: #866bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3930cc",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 204
  },
  "hsl": {
    "h": 243.462,
    "s": 61.905,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44149,
    "c": 0.22686,
    "h": 274.4
  },
  "luminance": 0.07343
}

Semantic roles & 50–950 ramp

primary

#3930CC

secondary

#CCD088

accent

#E543DC

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3930CC

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

Preview Lab → · Contrast checker → · Palette generator →