#3930CF#3930CF

#3930CF is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.5% C 0.230 H 274.2°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#3930CF
RGB	rgb(57, 48, 207)
HSL	hsl(243, 62%, 50%)
HSV	hsv(243, 77%, 81%)
CMYK	cmyk(72.5%, 76.8%, 0%, 18.8%)
CIE-LAB	lab(32.89, 53.34, -79.42)
CIE-LCH	lch(32.89, 95.67, 303.88°)
OKLab	oklab(44.47% 0.0167 -0.2297)
OKLCH	oklch(44.47% 0.23 274.2)
XYZ	xyz(14.0030, 7.4874, 59.7266)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.62

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3930CF #C6CF30

analogous

#3077CF #3930CF #8830CF

triadic

#3930CF #CF3930 #30CF39

tetradic

#3930CF #CF3077 #C6CF30 #30CF88

square

#3930CF #CF3077 #C6CF30 #30CF88

split-complementary

#3930CF #CF8830 #77CF30

monochromatic

#1E196C #2B249D #3930CF #6962DB #9893E6

Accessibility & contrast

On white

8.41

#3930CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3930CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3930CF

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3930CF	#FFFFFF	#000000	##FFFFFF
##3930CF	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D3

Deuteranopia (green-blind)

#0046CC

Tritanopia (blue-blind)

#00607E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3930cf;
/* rgb */ color: rgb(57, 48, 207);
/* oklch */ color: oklch(44.5% 0.230 274.2);

Tailwind

colors: {
  custom: {
    50: '#866cdf',
    500: '#3930cf',
    950: '#000000',
  },
}

SCSS

$custom: #3930cf;
$custom-light: #866cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3930cf",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 207
  },
  "hsl": {
    "h": 243.396,
    "s": 62.353,
    "l": 50
  },
  "oklch": {
    "l": 0.44466,
    "c": 0.23035,
    "h": 274.2
  },
  "luminance": 0.07489
}

Semantic roles & 50–950 ramp

primary

#3930CF

secondary

#CDD18A

accent

#E542DC

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3930CF

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

Preview Lab → · Contrast checker → · Palette generator →