#3921A9#3921A9

#3921A9 is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.199 H 279.6°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#3921A9
RGB	rgb(57, 33, 169)
HSL	hsl(251, 67%, 40%)
HSV	hsv(251, 80%, 66%)
CMYK	cmyk(66.3%, 80.5%, 0%, 33.7%)
CIE-LAB	lab(26.22, 49.16, -67.97)
CIE-LCH	lch(26.22, 83.89, 305.88°)
OKLab	oklab(38.6% 0.0333 -0.1963)
OKLCH	oklch(38.6% 0.199 279.6)
XYZ	xyz(9.3903, 4.8214, 37.9642)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3921A9 #91A921

analogous

#214DA9 #3921A9 #7D21A9

triadic

#3921A9 #A93921 #21A939

tetradic

#3921A9 #A9214D #91A921 #21A97D

square

#3921A9 #A9214D #91A921 #21A97D

split-complementary

#3921A9 #A97D21 #4DA921

monochromatic

#160D43 #281776 #3921A9 #4E31D7 #7A64E1

Accessibility & contrast

On white

10.69

#3921A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3921A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3921A9

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3921A9	#FFFFFF	#000000	##FFFFFF
##3921A9	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AD

Deuteranopia (green-blind)

#0039A7

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3921a9;
/* rgb */ color: rgb(57, 33, 169);
/* oklch */ color: oklch(38.6% 0.199 279.6);

Tailwind

colors: {
  custom: {
    50: '#8061c4',
    500: '#3921a9',
    950: '#000000',
  },
}

SCSS

$custom: #3921a9;
$custom-light: #8061c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3921a9",
  "rgb": {
    "r": 57,
    "g": 33,
    "b": 169
  },
  "hsl": {
    "h": 250.588,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38599,
    "c": 0.19907,
    "h": 279.6
  },
  "luminance": 0.04822
}

Semantic roles & 50–950 ramp

primary

#3921A9

secondary

#B4C660

accent

#EA3ECC

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3921A9

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

Preview Lab → · Contrast checker → · Palette generator →