#4027A4#4027A4

#4027A4 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.4% C 0.186 H 282.9°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#4027A4
RGB	rgb(64, 39, 164)
HSL	hsl(252, 62%, 40%)
HSV	hsv(252, 76%, 64%)
CMYK	cmyk(61%, 76.2%, 0%, 35.7%)
CIE-LAB	lab(27.35, 45.48, -63.06)
CIE-LCH	lch(27.35, 77.75, 305.80°)
OKLab	oklab(39.39% 0.0415 -0.1818)
OKLCH	oklch(39.39% 0.186 282.9)
XYZ	xyz(9.5386, 5.2207, 35.6198)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4027A4 #8BA427

analogous

#274DA4 #4027A4 #7F27A4

triadic

#4027A4 #A44027 #27A440

tetradic

#4027A4 #A4274D #8BA427 #27A47F

square

#4027A4 #A4274D #8BA427 #27A47F

split-complementary

#4027A4 #A47F27 #4DA427

monochromatic

#190F41 #2D1B73 #4027A4 #5738D0 #816ADC

Accessibility & contrast

On white

10.27

#4027A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#4027A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4027A4

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4027A4	#FFFFFF	#000000	##FFFFFF
##4027A4	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A8

Deuteranopia (green-blind)

#003CA2

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #4027a4;
/* rgb */ color: rgb(64, 39, 164);
/* oklch */ color: oklch(39.4% 0.186 282.9);

Tailwind

colors: {
  custom: {
    50: '#8164c0',
    500: '#4027a4',
    950: '#000000',
  },
}

SCSS

$custom: #4027a4;
$custom-light: #8164c0;
$custom-dark: #000000;

JSON

{
  "hex": "#4027a4",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 164
  },
  "hsl": {
    "h": 252,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.3939,
    "c": 0.18648,
    "h": 282.9
  },
  "luminance": 0.05221
}

Semantic roles & 50–950 ramp

primary

#4027A4

secondary

#AFC265

accent

#E543C4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0612

muted

#7D7A81

Preview Lab

Preview with #4027A4

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

Preview Lab → · Contrast checker → · Palette generator →