#4028A5#4028A5

#4028A5 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.6% C 0.187 H 282.5°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#4028A5
RGB	rgb(64, 40, 165)
HSL	hsl(252, 61%, 40%)
HSV	hsv(252, 76%, 65%)
CMYK	cmyk(61.2%, 75.8%, 0%, 35.3%)
CIE-LAB	lab(27.64, 45.27, -63.20)
CIE-LCH	lch(27.64, 77.74, 305.61°)
OKLab	oklab(39.62% 0.0406 -0.1822)
OKLCH	oklch(39.62% 0.187 282.5)
XYZ	xyz(9.6626, 5.3235, 36.1084)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028A5 #8DA528

analogous

#284EA5 #4028A5 #7E28A5

triadic

#4028A5 #A54028 #28A540

tetradic

#4028A5 #A5284E #8DA528 #28A57E

square

#4028A5 #A5284E #8DA528 #28A57E

split-complementary

#4028A5 #A57E28 #4EA528

monochromatic

#1A1042 #2D1C74 #4028A5 #573BCF #816CDB

Accessibility & contrast

On white

10.17

#4028A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#4028A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028A5

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028A5	#FFFFFF	#000000	##FFFFFF
##4028A5	1.00	10.17	2.06	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A9

Deuteranopia (green-blind)

#003DA3

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #4028a5;
/* rgb */ color: rgb(64, 40, 165);
/* oklch */ color: oklch(39.6% 0.187 282.5);

Tailwind

colors: {
  custom: {
    50: '#8165c1',
    500: '#4028a5',
    950: '#000000',
  },
}

SCSS

$custom: #4028a5;
$custom-light: #8165c1;
$custom-dark: #000000;

JSON

{
  "hex": "#4028a5",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 165
  },
  "hsl": {
    "h": 251.52,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39619,
    "c": 0.18667,
    "h": 282.5
  },
  "luminance": 0.05324
}

Semantic roles & 50–950 ramp

primary

#4028A5

secondary

#B0C267

accent

#E444C5

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0612

muted

#7D7A81

Preview Lab

Preview with #4028A5

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

Preview Lab → · Contrast checker → · Palette generator →