#3931C3#3931C3

#3931C3 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.3% C 0.215 H 275.0°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3931C3
RGB	rgb(57, 49, 195)
HSL	hsl(243, 60%, 48%)
HSV	hsv(243, 75%, 76%)
CMYK	cmyk(70.8%, 74.9%, 0%, 23.5%)
CIE-LAB	lab(31.82, 49.05, -74.19)
CIE-LCH	lch(31.82, 88.94, 303.47°)
OKLab	oklab(43.34% 0.0188 -0.2145)
OKLCH	oklch(43.34% 0.215 275)
XYZ	xyz(12.6327, 7.0054, 52.3056)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3931C3 #BBC331

analogous

#3172C3 #3931C3 #8231C3

triadic

#3931C3 #C33931 #31C339

tetradic

#3931C3 #C33172 #BBC331 #31C382

square

#3931C3 #C33172 #BBC331 #31C382

split-complementary

#3931C3 #C38231 #72C331

monochromatic

#1C1861 #2B2592 #3931C3 #625BD6 #918CE2

Accessibility & contrast

On white

8.74

#3931C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3931C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3931C3

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3931C3	#FFFFFF	#000000	##FFFFFF
##3931C3	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C7

Deuteranopia (green-blind)

#0044C0

Tritanopia (blue-blind)

#005C78

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3931c3;
/* rgb */ color: rgb(57, 49, 195);
/* oklch */ color: oklch(43.3% 0.215 275.0);

Tailwind

colors: {
  custom: {
    50: '#846cd6',
    500: '#3931c3',
    950: '#000000',
  },
}

SCSS

$custom: #3931c3;
$custom-light: #846cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3931c3",
  "rgb": {
    "r": 57,
    "g": 49,
    "b": 195
  },
  "hsl": {
    "h": 243.288,
    "s": 59.836,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43339,
    "c": 0.21535,
    "h": 275
  },
  "luminance": 0.07007
}

Semantic roles & 50–950 ramp

primary

#3931C3

secondary

#C8CC83

accent

#E345DA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3931C3

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

Preview Lab → · Contrast checker → · Palette generator →