#3F28A3#3F28A3

#3F28A3 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.3% C 0.184 H 282.4°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#3F28A3
RGB	rgb(63, 40, 163)
HSL	hsl(251, 61%, 40%)
HSV	hsv(251, 75%, 64%)
CMYK	cmyk(61.3%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(27.35, 44.53, -62.47)
CIE-LCH	lch(27.35, 76.71, 305.48°)
OKLab	oklab(39.33% 0.0396 -0.1801)
OKLCH	oklch(39.33% 0.184 282.4)
XYZ	xyz(9.4175, 5.2180, 35.1542)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F28A3 #8CA328

analogous

#284EA3 #3F28A3 #7D28A3

triadic

#3F28A3 #A33F28 #28A33F

tetradic

#3F28A3 #A3284E #8CA328 #28A37D

square

#3F28A3 #A3284E #8CA328 #28A37D

split-complementary

#3F28A3 #A37D28 #4EA328

monochromatic

#191041 #2C1C72 #3F28A3 #553ACF #806BDB

Accessibility & contrast

On white

10.27

#3F28A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3F28A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F28A3

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F28A3	#FFFFFF	#000000	##FFFFFF
##3F28A3	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A7

Deuteranopia (green-blind)

#003CA1

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f28a3;
/* rgb */ color: rgb(63, 40, 163);
/* oklch */ color: oklch(39.3% 0.184 282.4);

Tailwind

colors: {
  custom: {
    50: '#8165bf',
    500: '#3f28a3',
    950: '#000000',
  },
}

SCSS

$custom: #3f28a3;
$custom-light: #8165bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f28a3",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 251.22,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39333,
    "c": 0.18441,
    "h": 282.4
  },
  "luminance": 0.05219
}

Semantic roles & 50–950 ramp

primary

#3F28A3

secondary

#B0C166

accent

#E444C6

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F28A3

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

Preview Lab → · Contrast checker → · Palette generator →