#4028AB#4028AB

#4028AB is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.2% C 0.194 H 281.6°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#4028AB
RGB	rgb(64, 40, 171)
HSL	hsl(251, 62%, 41%)
HSV	hsv(251, 77%, 67%)
CMYK	cmyk(62.6%, 76.6%, 0%, 32.9%)
CIE-LAB	lab(28.24, 47.08, -65.82)
CIE-LCH	lch(28.24, 80.93, 305.58°)
OKLab	oklab(40.22% 0.039 -0.1899)
OKLCH	oklch(40.22% 0.194 281.6)
XYZ	xyz(10.2215, 5.5471, 39.0522)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028AB #93AB28

analogous

#2852AB #4028AB #8228AB

triadic

#4028AB #AB4028 #28AB40

tetradic

#4028AB #AB2852 #93AB28 #28AB82

square

#4028AB #AB2852 #93AB28 #28AB82

split-complementary

#4028AB #AB8228 #52AB28

monochromatic

#1B1148 #2D1C79 #4028AB #593ED2 #8470DE

Accessibility & contrast

On white

9.95

#4028AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#4028AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028AB

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028AB	#FFFFFF	#000000	##FFFFFF
##4028AB	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AF

Deuteranopia (green-blind)

#003EA9

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4028ab;
/* rgb */ color: rgb(64, 40, 171);
/* oklch */ color: oklch(40.2% 0.194 281.6);

Tailwind

colors: {
  custom: {
    50: '#8365c5',
    500: '#4028ab',
    950: '#000000',
  },
}

SCSS

$custom: #4028ab;
$custom-light: #8365c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4028ab",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 171
  },
  "hsl": {
    "h": 250.992,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40224,
    "c": 0.19385,
    "h": 281.6
  },
  "luminance": 0.05548
}

Semantic roles & 50–950 ramp

primary

#4028AB

secondary

#B4C46A

accent

#E543C7

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4028AB

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

Preview Lab → · Contrast checker → · Palette generator →