#3921A8#3921A8

#3921A8 is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.198 H 279.8°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#3921A8
RGB	rgb(57, 33, 168)
HSL	hsl(251, 67%, 39%)
HSV	hsv(251, 80%, 66%)
CMYK	cmyk(66.1%, 80.4%, 0%, 34.1%)
CIE-LAB	lab(26.11, 48.86, -67.55)
CIE-LCH	lch(26.11, 83.37, 305.88°)
OKLab	oklab(38.49% 0.0336 -0.195)
OKLCH	oklch(38.49% 0.198 279.8)
XYZ	xyz(9.2968, 4.7840, 37.4717)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3921A8 #90A821

analogous

#214CA8 #3921A8 #7D21A8

triadic

#3921A8 #A83921 #21A839

tetradic

#3921A8 #A8214C #90A821 #21A87D

square

#3921A8 #A8214C #90A821 #21A87D

split-complementary

#3921A8 #A87D21 #4CA821

monochromatic

#160D42 #281775 #3921A8 #4D30D6 #7963E0

Accessibility & contrast

On white

10.73

#3921A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3921A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3921A8

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3921A8	#FFFFFF	#000000	##FFFFFF
##3921A8	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3921a8;
/* rgb */ color: rgb(57, 33, 168);
/* oklch */ color: oklch(38.5% 0.198 279.8);

Tailwind

colors: {
  custom: {
    50: '#7f61c3',
    500: '#3921a8',
    950: '#000000',
  },
}

SCSS

$custom: #3921a8;
$custom-light: #7f61c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3921a8",
  "rgb": {
    "r": 57,
    "g": 33,
    "b": 168
  },
  "hsl": {
    "h": 250.667,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38491,
    "c": 0.1979,
    "h": 279.8
  },
  "luminance": 0.04785
}

Semantic roles & 50–950 ramp

primary

#3921A8

secondary

#B3C55F

accent

#EA3ECB

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3921A8

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

Preview Lab → · Contrast checker → · Palette generator →