#3921A0#3921A0

#3921A0 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.189 H 281.0°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#3921A0
RGB	rgb(57, 33, 160)
HSL	hsl(251, 66%, 38%)
HSV	hsv(251, 79%, 63%)
CMYK	cmyk(64.4%, 79.4%, 0%, 37.3%)
CIE-LAB	lab(25.24, 46.47, -64.13)
CIE-LCH	lch(25.24, 79.20, 305.93°)
OKLab	oklab(37.63% 0.036 -0.1851)
OKLCH	oklch(37.63% 0.189 281)
XYZ	xyz(8.5744, 4.4950, 33.6667)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3921A0 #88A021

analogous

#2148A0 #3921A0 #7921A0

triadic

#3921A0 #A03921 #21A039

tetradic

#3921A0 #A02148 #88A021 #21A079

square

#3921A0 #A02148 #88A021 #21A079

split-complementary

#3921A0 #A07921 #48A021

monochromatic

#150C3B #27176D #3921A0 #4B2BD3 #765EDE

Accessibility & contrast

On white

11.06

#3921A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3921A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3921A0

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3921A0	#FFFFFF	#000000	##FFFFFF
##3921A0	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A4

Deuteranopia (green-blind)

#00379E

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3921a0;
/* rgb */ color: rgb(57, 33, 160);
/* oklch */ color: oklch(37.6% 0.189 281.0);

Tailwind

colors: {
  custom: {
    50: '#7e60bd',
    500: '#3921a0',
    950: '#000000',
  },
}

SCSS

$custom: #3921a0;
$custom-light: #7e60bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3921a0",
  "rgb": {
    "r": 57,
    "g": 33,
    "b": 160
  },
  "hsl": {
    "h": 251.339,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37632,
    "c": 0.18853,
    "h": 281
  },
  "luminance": 0.04496
}

Semantic roles & 50–950 ramp

primary

#3921A0

secondary

#AFC25B

accent

#E93FC9

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3921A0

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

Preview Lab → · Contrast checker → · Palette generator →