#4028A8#4028A8

#4028A8 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 39.9% C 0.190 H 282.1°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#4028A8
RGB	rgb(64, 40, 168)
HSL	hsl(251, 62%, 41%)
HSV	hsv(251, 76%, 66%)
CMYK	cmyk(61.9%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(27.94, 46.18, -64.52)
CIE-LCH	lch(27.94, 79.34, 305.59°)
OKLab	oklab(39.92% 0.0398 -0.1861)
OKLCH	oklch(39.92% 0.19 282.1)
XYZ	xyz(9.9388, 5.4340, 37.5633)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028A8 #90A828

analogous

#2850A8 #4028A8 #8028A8

triadic

#4028A8 #A84028 #28A840

tetradic

#4028A8 #A82850 #90A828 #28A880

square

#4028A8 #A82850 #90A828 #28A880

split-complementary

#4028A8 #A88028 #50A828

monochromatic

#1A1045 #2D1C77 #4028A8 #583DD1 #836EDC

Accessibility & contrast

On white

10.06

#4028A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#4028A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028A8

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028A8	#FFFFFF	#000000	##FFFFFF
##4028A8	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AC

Deuteranopia (green-blind)

#003DA6

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #4028a8;
/* rgb */ color: rgb(64, 40, 168);
/* oklch */ color: oklch(39.9% 0.190 282.1);

Tailwind

colors: {
  custom: {
    50: '#8265c3',
    500: '#4028a8',
    950: '#000000',
  },
}

SCSS

$custom: #4028a8;
$custom-light: #8265c3;
$custom-dark: #000000;

JSON

{
  "hex": "#4028a8",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 251.25,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.3992,
    "c": 0.19027,
    "h": 282.1
  },
  "luminance": 0.05435
}

Semantic roles & 50–950 ramp

primary

#4028A8

secondary

#B2C369

accent

#E543C6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4028A8

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

Preview Lab → · Contrast checker → · Palette generator →