#4028A3#4028A3

#4028A3 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.4% C 0.184 H 282.9°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#4028A3
RGB	rgb(64, 40, 163)
HSL	hsl(252, 61%, 40%)
HSV	hsv(252, 75%, 64%)
CMYK	cmyk(60.7%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(27.44, 44.66, -62.31)
CIE-LCH	lch(27.44, 76.66, 305.63°)
OKLab	oklab(39.42% 0.0411 -0.1796)
OKLCH	oklch(39.42% 0.184 282.9)
XYZ	xyz(9.4820, 5.2513, 35.1572)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028A3 #8BA328

analogous

#284EA3 #4028A3 #7D28A3

triadic

#4028A3 #A34028 #28A340

tetradic

#4028A3 #A3284E #8BA328 #28A37D

square

#4028A3 #A3284E #8BA328 #28A37D

split-complementary

#4028A3 #A37D28 #4EA328

monochromatic

#191041 #2D1C72 #4028A3 #573ACF #816BDB

Accessibility & contrast

On white

10.24

#4028A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#4028A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028A3

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028A3	#FFFFFF	#000000	##FFFFFF
##4028A3	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A7

Deuteranopia (green-blind)

#003DA1

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #4028a3;
/* rgb */ color: rgb(64, 40, 163);
/* oklch */ color: oklch(39.4% 0.184 282.9);

Tailwind

colors: {
  custom: {
    50: '#8165bf',
    500: '#4028a3',
    950: '#000000',
  },
}

SCSS

$custom: #4028a3;
$custom-light: #8165bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4028a3",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 251.707,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.3942,
    "c": 0.18426,
    "h": 282.9
  },
  "luminance": 0.05252
}

Semantic roles & 50–950 ramp

primary

#4028A3

secondary

#AFC166

accent

#E444C5

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0C0612

muted

#7D7A81

Preview Lab

Preview with #4028A3

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

Preview Lab → · Contrast checker → · Palette generator →