#3921A7#3921A7

#3921A7 is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.4% C 0.197 H 279.9°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#3921A7
RGB	rgb(57, 33, 167)
HSL	hsl(251, 67%, 39%)
HSV	hsv(251, 80%, 65%)
CMYK	cmyk(65.9%, 80.2%, 0%, 34.5%)
CIE-LAB	lab(26.00, 48.57, -67.13)
CIE-LCH	lch(26.00, 82.85, 305.89°)
OKLab	oklab(38.38% 0.0339 -0.1938)
OKLCH	oklch(38.38% 0.197 279.9)
XYZ	xyz(9.2040, 4.7469, 36.9829)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3921A7 #8FA721

analogous

#214CA7 #3921A7 #7C21A7

triadic

#3921A7 #A73921 #21A739

tetradic

#3921A7 #A7214C #8FA721 #21A77C

square

#3921A7 #A7214C #8FA721 #21A77C

split-complementary

#3921A7 #A77C21 #4CA721

monochromatic

#160D41 #281774 #3921A7 #4D2FD6 #7962E0

Accessibility & contrast

On white

10.77

#3921A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3921A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3921A7

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3921A7	#FFFFFF	#000000	##FFFFFF
##3921A7	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AB

Deuteranopia (green-blind)

#0038A5

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3921a7;
/* rgb */ color: rgb(57, 33, 167);
/* oklch */ color: oklch(38.4% 0.197 279.9);

Tailwind

colors: {
  custom: {
    50: '#7f61c2',
    500: '#3921a7',
    950: '#000000',
  },
}

SCSS

$custom: #3921a7;
$custom-light: #7f61c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3921a7",
  "rgb": {
    "r": 57,
    "g": 33,
    "b": 167
  },
  "hsl": {
    "h": 250.746,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38383,
    "c": 0.19674,
    "h": 279.9
  },
  "luminance": 0.04748
}

Semantic roles & 50–950 ramp

primary

#3921A7

secondary

#B3C55F

accent

#EA3ECB

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #3921A7

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

Preview Lab → · Contrast checker → · Palette generator →