#4028AC#4028AC

#4028AC is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.3% C 0.195 H 281.5°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#4028AC
RGB	rgb(64, 40, 172)
HSL	hsl(251, 62%, 42%)
HSV	hsv(251, 77%, 67%)
CMYK	cmyk(62.8%, 76.7%, 0%, 32.5%)
CIE-LAB	lab(28.34, 47.39, -66.26)
CIE-LCH	lch(28.34, 81.46, 305.57°)
OKLab	oklab(40.33% 0.0388 -0.1911)
OKLCH	oklch(40.33% 0.195 281.5)
XYZ	xyz(10.3172, 5.5854, 39.5561)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028AC #94AC28

analogous

#2852AC #4028AC #8228AC

triadic

#4028AC #AC4028 #28AC40

tetradic

#4028AC #AC2852 #94AC28 #28AC82

square

#4028AC #AC2852 #94AC28 #28AC82

split-complementary

#4028AC #AC8228 #52AC28

monochromatic

#1B1149 #2E1C7A #4028AC #5A3FD2 #8471DE

Accessibility & contrast

On white

9.92

#4028AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#4028AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028AC

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028AC	#FFFFFF	#000000	##FFFFFF
##4028AC	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#004E69

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4028ac;
/* rgb */ color: rgb(64, 40, 172);
/* oklch */ color: oklch(40.3% 0.195 281.5);

Tailwind

colors: {
  custom: {
    50: '#8365c6',
    500: '#4028ac',
    950: '#000000',
  },
}

SCSS

$custom: #4028ac;
$custom-light: #8365c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4028ac",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 172
  },
  "hsl": {
    "h": 250.909,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40325,
    "c": 0.19504,
    "h": 281.5
  },
  "luminance": 0.05586
}

Semantic roles & 50–950 ramp

primary

#4028AC

secondary

#B4C56B

accent

#E542C8

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4028AC

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

Preview Lab → · Contrast checker → · Palette generator →