#4028A9#4028A9

#4028A9 is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.0% C 0.191 H 281.9°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#4028A9
RGB	rgb(64, 40, 169)
HSL	hsl(251, 62%, 41%)
HSV	hsv(251, 76%, 66%)
CMYK	cmyk(62.1%, 76.3%, 0%, 33.7%)
CIE-LAB	lab(28.04, 46.48, -64.95)
CIE-LCH	lch(28.04, 79.87, 305.59°)
OKLab	oklab(40.02% 0.0395 -0.1873)
OKLCH	oklch(40.02% 0.191 281.9)
XYZ	xyz(10.0323, 5.4714, 38.0558)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028A9 #91A928

analogous

#2850A9 #4028A9 #8028A9

triadic

#4028A9 #A94028 #28A940

tetradic

#4028A9 #A92850 #91A928 #28A980

square

#4028A9 #A92850 #91A928 #28A980

split-complementary

#4028A9 #A98028 #50A928

monochromatic

#1B1146 #2D1C78 #4028A9 #593DD1 #836FDD

Accessibility & contrast

On white

10.03

#4028A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#4028A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028A9

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028A9	#FFFFFF	#000000	##FFFFFF
##4028A9	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AD

Deuteranopia (green-blind)

#003EA7

Tritanopia (blue-blind)

#004D67

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #4028a9;
/* rgb */ color: rgb(64, 40, 169);
/* oklch */ color: oklch(40.0% 0.191 281.9);

Tailwind

colors: {
  custom: {
    50: '#8265c4',
    500: '#4028a9',
    950: '#000000',
  },
}

SCSS

$custom: #4028a9;
$custom-light: #8265c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4028a9",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 169
  },
  "hsl": {
    "h": 251.163,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40021,
    "c": 0.19147,
    "h": 281.9
  },
  "luminance": 0.05472
}

Semantic roles & 50–950 ramp

primary

#4028A9

secondary

#B3C469

accent

#E543C7

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4028A9

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

Preview Lab → · Contrast checker → · Palette generator →