#3F28AF#3F28AF

#3F28AF is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.5% C 0.199 H 280.6°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F28AF
RGB	rgb(63, 40, 175)
HSL	hsl(250, 63%, 42%)
HSV	hsv(250, 77%, 69%)
CMYK	cmyk(64%, 77.1%, 0%, 31.4%)
CIE-LAB	lab(28.56, 48.18, -67.70)
CIE-LCH	lch(28.56, 83.09, 305.44°)
OKLab	oklab(40.55% 0.0365 -0.1954)
OKLCH	oklch(40.55% 0.199 280.6)
XYZ	xyz(10.5441, 5.6687, 41.0876)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F28AF #98AF28

analogous

#2855AF #3F28AF #8328AF

triadic

#3F28AF #AF3F28 #28AF3F

tetradic

#3F28AF #AF2855 #98AF28 #28AF83

square

#3F28AF #AF2855 #98AF28 #28AF83

split-complementary

#3F28AF #AF8328 #55AF28

monochromatic

#1B114B #2D1D7D #3F28AF #5A41D4 #8573DF

Accessibility & contrast

On white

9.84

#3F28AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3F28AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F28AF

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F28AF	#FFFFFF	#000000	##FFFFFF
##3F28AF	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B3

Deuteranopia (green-blind)

#003EAD

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f28af;
/* rgb */ color: rgb(63, 40, 175);
/* oklch */ color: oklch(40.5% 0.199 280.6);

Tailwind

colors: {
  custom: {
    50: '#8366c8',
    500: '#3f28af',
    950: '#000000',
  },
}

SCSS

$custom: #3f28af;
$custom-light: #8366c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f28af",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 175
  },
  "hsl": {
    "h": 250.222,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40549,
    "c": 0.19876,
    "h": 280.6
  },
  "luminance": 0.05669
}

Semantic roles & 50–950 ramp

primary

#3F28AF

secondary

#B7C66D

accent

#E642CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F28AF

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

Preview Lab → · Contrast checker → · Palette generator →