#4027A3#4027A3

#4027A3 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.3% C 0.185 H 283.0°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#4027A3
RGB	rgb(64, 39, 163)
HSL	hsl(252, 61%, 40%)
HSV	hsv(252, 76%, 64%)
CMYK	cmyk(60.7%, 76.1%, 0%, 36.1%)
CIE-LAB	lab(27.25, 45.18, -62.62)
CIE-LCH	lch(27.25, 77.22, 305.81°)
OKLab	oklab(39.29% 0.0418 -0.1805)
OKLCH	oklch(39.29% 0.185 283)
XYZ	xyz(9.4487, 5.1847, 35.1461)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4027A3 #8AA327

analogous

#274CA3 #4027A3 #7E27A3

triadic

#4027A3 #A34027 #27A340

tetradic

#4027A3 #A3274C #8AA327 #27A37E

square

#4027A3 #A3274C #8AA327 #27A37E

split-complementary

#4027A3 #A37E27 #4CA327

monochromatic

#190F40 #2D1B72 #4027A3 #5638CF #8069DB

Accessibility & contrast

On white

10.31

#4027A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#4027A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4027A3

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4027A3	#FFFFFF	#000000	##FFFFFF
##4027A3	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A7

Deuteranopia (green-blind)

#003CA1

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #4027a3;
/* rgb */ color: rgb(64, 39, 163);
/* oklch */ color: oklch(39.3% 0.185 283.0);

Tailwind

colors: {
  custom: {
    50: '#8164bf',
    500: '#4027a3',
    950: '#000000',
  },
}

SCSS

$custom: #4027a3;
$custom-light: #8164bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4027a3",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 163
  },
  "hsl": {
    "h": 252.097,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.3929,
    "c": 0.18528,
    "h": 283
  },
  "luminance": 0.05185
}

Semantic roles & 50–950 ramp

primary

#4027A3

secondary

#AFC164

accent

#E443C4

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0C0612

muted

#7D7A81

Preview Lab

Preview with #4027A3

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

Preview Lab → · Contrast checker → · Palette generator →