#3F28AE#3F28AE

#3F28AE is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.4% C 0.198 H 280.7°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F28AE
RGB	rgb(63, 40, 174)
HSL	hsl(250, 63%, 42%)
HSV	hsv(250, 77%, 68%)
CMYK	cmyk(63.8%, 77%, 0%, 31.8%)
CIE-LAB	lab(28.46, 47.87, -67.27)
CIE-LCH	lch(28.46, 82.57, 305.44°)
OKLab	oklab(40.45% 0.0368 -0.1941)
OKLCH	oklch(40.45% 0.198 280.7)
XYZ	xyz(10.4463, 5.6295, 40.5723)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F28AE #97AE28

analogous

#2854AE #3F28AE #8228AE

triadic

#3F28AE #AE3F28 #28AE3F

tetradic

#3F28AE #AE2854 #97AE28 #28AE82

square

#3F28AE #AE2854 #97AE28 #28AE82

split-complementary

#3F28AE #AE8228 #54AE28

monochromatic

#1B114A #2D1D7C #3F28AE #5940D3 #8572DF

Accessibility & contrast

On white

9.88

#3F28AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3F28AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F28AE

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F28AE	#FFFFFF	#000000	##FFFFFF
##3F28AE	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B2

Deuteranopia (green-blind)

#003EAC

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f28ae;
/* rgb */ color: rgb(63, 40, 174);
/* oklch */ color: oklch(40.4% 0.198 280.7);

Tailwind

colors: {
  custom: {
    50: '#8366c7',
    500: '#3f28ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f28ae;
$custom-light: #8366c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f28ae",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 174
  },
  "hsl": {
    "h": 250.299,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40447,
    "c": 0.19757,
    "h": 280.7
  },
  "luminance": 0.0563
}

Semantic roles & 50–950 ramp

primary

#3F28AE

secondary

#B6C66C

accent

#E642CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F28AE

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

Preview Lab → · Contrast checker → · Palette generator →