#3931C8#3931C8

#3931C8 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.9% C 0.221 H 274.6°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#3931C8
RGB	rgb(57, 49, 200)
HSL	hsl(243, 61%, 49%)
HSV	hsv(243, 76%, 78%)
CMYK	cmyk(71.5%, 75.5%, 0%, 21.6%)
CIE-LAB	lab(32.34, 50.63, -76.26)
CIE-LCH	lch(32.34, 91.54, 303.58°)
OKLab	oklab(43.86% 0.0177 -0.2206)
OKLCH	oklch(43.86% 0.221 274.6)
XYZ	xyz(13.2075, 7.2353, 55.3329)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.80

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3931C8 #C0C831

analogous

#3175C8 #3931C8 #8531C8

triadic

#3931C8 #C83931 #31C839

tetradic

#3931C8 #C83175 #C0C831 #31C885

square

#3931C8 #C83175 #C0C831 #31C885

split-complementary

#3931C8 #C88531 #75C831

monochromatic

#1D1966 #2B2597 #3931C8 #655FD8 #9490E4

Accessibility & contrast

On white

8.58

#3931C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3931C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3931C8

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3931C8	#FFFFFF	#000000	##FFFFFF
##3931C8	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CC

Deuteranopia (green-blind)

#0045C5

Tritanopia (blue-blind)

#005D7B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3931c8;
/* rgb */ color: rgb(57, 49, 200);
/* oklch */ color: oklch(43.9% 0.221 274.6);

Tailwind

colors: {
  custom: {
    50: '#856cda',
    500: '#3931c8',
    950: '#000000',
  },
}

SCSS

$custom: #3931c8;
$custom-light: #856cda;
$custom-dark: #000000;

JSON

{
  "hex": "#3931c8",
  "rgb": {
    "r": 57,
    "g": 49,
    "b": 200
  },
  "hsl": {
    "h": 243.179,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43858,
    "c": 0.22127,
    "h": 274.6
  },
  "luminance": 0.07237
}

Semantic roles & 50–950 ramp

primary

#3931C8

secondary

#CBCE86

accent

#E444DB

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3931C8

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

Preview Lab → · Contrast checker → · Palette generator →