#3931C5#3931C5

#3931C5 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.5% C 0.218 H 274.8°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#3931C5
RGB	rgb(57, 49, 197)
HSL	hsl(243, 60%, 48%)
HSV	hsv(243, 75%, 77%)
CMYK	cmyk(71.1%, 75.1%, 0%, 22.7%)
CIE-LAB	lab(32.03, 49.68, -75.02)
CIE-LCH	lch(32.03, 89.98, 303.51°)
OKLab	oklab(43.55% 0.0184 -0.2169)
OKLCH	oklch(43.55% 0.218 274.8)
XYZ	xyz(12.8604, 7.0965, 53.5045)
Luminance	0.0710 (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

#3931C5 #BDC531

analogous

#3173C5 #3931C5 #8331C5

triadic

#3931C5 #C53931 #31C539

tetradic

#3931C5 #C53173 #BDC531 #31C583

square

#3931C5 #C53173 #BDC531 #31C583

split-complementary

#3931C5 #C58331 #73C531

monochromatic

#1D1963 #2B2594 #3931C5 #635DD7 #928EE3

Accessibility & contrast

On white

8.68

#3931C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3931C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3931C5

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3931C5	#FFFFFF	#000000	##FFFFFF
##3931C5	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C9

Deuteranopia (green-blind)

#0044C2

Tritanopia (blue-blind)

#005C79

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3931c5;
/* rgb */ color: rgb(57, 49, 197);
/* oklch */ color: oklch(43.5% 0.218 274.8);

Tailwind

colors: {
  custom: {
    50: '#846cd8',
    500: '#3931c5',
    950: '#000000',
  },
}

SCSS

$custom: #3931c5;
$custom-light: #846cd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3931c5",
  "rgb": {
    "r": 57,
    "g": 49,
    "b": 197
  },
  "hsl": {
    "h": 243.243,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.43546,
    "c": 0.21773,
    "h": 274.8
  },
  "luminance": 0.07098
}

Semantic roles & 50–950 ramp

primary

#3931C5

secondary

#C9CD85

accent

#E344DB

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3931C5

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

Preview Lab → · Contrast checker → · Palette generator →