#3921AB#3921AB

#3921AB is a dark, highly saturated violet. Relative luminance 0.049; OKLCH L 38.8% C 0.201 H 279.3°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#3921AB
RGB	rgb(57, 33, 171)
HSL	hsl(250, 68%, 40%)
HSV	hsv(250, 81%, 67%)
CMYK	cmyk(66.7%, 80.7%, 0%, 32.9%)
CIE-LAB	lab(26.44, 49.76, -68.82)
CIE-LCH	lch(26.44, 84.92, 305.87°)
OKLab	oklab(38.82% 0.0327 -0.1987)
OKLCH	oklch(38.82% 0.201 279.3)
XYZ	xyz(9.5795, 4.8971, 38.9606)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3921AB #93AB21

analogous

#214EAB #3921AB #7E21AB

triadic

#3921AB #AB3921 #21AB39

tetradic

#3921AB #AB214E #93AB21 #21AB7E

square

#3921AB #AB214E #93AB21 #21AB7E

split-complementary

#3921AB #AB7E21 #4EAB21

monochromatic

#170D44 #281778 #3921AB #4F32D7 #7B65E1

Accessibility & contrast

On white

10.61

#3921AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3921AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3921AB

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3921AB	#FFFFFF	#000000	##FFFFFF
##3921AB	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AF

Deuteranopia (green-blind)

#0039A9

Tritanopia (blue-blind)

#004B67

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3921ab;
/* rgb */ color: rgb(57, 33, 171);
/* oklch */ color: oklch(38.8% 0.201 279.3);

Tailwind

colors: {
  custom: {
    50: '#8061c5',
    500: '#3921ab',
    950: '#000000',
  },
}

SCSS

$custom: #3921ab;
$custom-light: #8061c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3921ab",
  "rgb": {
    "r": 57,
    "g": 33,
    "b": 171
  },
  "hsl": {
    "h": 250.435,
    "s": 67.647,
    "l": 40
  },
  "oklch": {
    "l": 0.38816,
    "c": 0.20138,
    "h": 279.3
  },
  "luminance": 0.04898
}

Semantic roles & 50–950 ramp

primary

#3921AB

secondary

#B5C761

accent

#EB3DCC

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3921AB

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

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