#4028B7#4028B7

#4028B7 is a dark, highly saturated violet. Relative luminance 0.060; OKLCH L 41.5% C 0.208 H 279.9°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#4028B7
RGB	rgb(64, 40, 183)
HSL	hsl(250, 64%, 44%)
HSV	hsv(250, 78%, 72%)
CMYK	cmyk(65%, 78.1%, 0%, 28.2%)
CIE-LAB	lab(29.48, 50.69, -70.95)
CIE-LCH	lch(29.48, 87.20, 305.54°)
OKLab	oklab(41.46% 0.0358 -0.2048)
OKLCH	oklch(41.46% 0.208 279.9)
XYZ	xyz(11.4177, 6.0256, 45.3519)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.54

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028B7 #9FB728

analogous

#2857B7 #4028B7 #8728B7

triadic

#4028B7 #B74028 #28B740

tetradic

#4028B7 #B72857 #9FB728 #28B787

square

#4028B7 #B72857 #9FB728 #28B787

split-complementary

#4028B7 #B78728 #57B728

monochromatic

#1D1253 #2E1D85 #4028B7 #5E46D6 #8A78E1

Accessibility & contrast

On white

9.52

#4028B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#4028B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028B7

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028B7	#FFFFFF	#000000	##FFFFFF
##4028B7	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBB

Deuteranopia (green-blind)

#0040B4

Tritanopia (blue-blind)

#00536F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #4028b7;
/* rgb */ color: rgb(64, 40, 183);
/* oklch */ color: oklch(41.5% 0.208 279.9);

Tailwind

colors: {
  custom: {
    50: '#8566ce',
    500: '#4028b7',
    950: '#000000',
  },
}

SCSS

$custom: #4028b7;
$custom-light: #8566ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4028b7",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 183
  },
  "hsl": {
    "h": 250.07,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41459,
    "c": 0.20794,
    "h": 279.9
  },
  "luminance": 0.06026
}

Semantic roles & 50–950 ramp

primary

#4028B7

secondary

#BBC972

accent

#E741CB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #4028B7

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

Preview Lab → · Contrast checker → · Palette generator →