#4028B1#4028B1

#4028B1 is a dark, highly saturated violet. Relative luminance 0.058; OKLCH L 40.8% C 0.201 H 280.7°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#4028B1
RGB	rgb(64, 40, 177)
HSL	hsl(251, 63%, 43%)
HSV	hsv(251, 77%, 69%)
CMYK	cmyk(63.8%, 77.4%, 0%, 30.6%)
CIE-LAB	lab(28.85, 48.89, -68.41)
CIE-LCH	lch(28.85, 84.08, 305.55°)
OKLab	oklab(40.84% 0.0374 -0.1974)
OKLCH	oklch(40.84% 0.201 280.7)
XYZ	xyz(10.8064, 5.7811, 42.1328)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028B1 #99B128

analogous

#2854B1 #4028B1 #8528B1

triadic

#4028B1 #B14028 #28B140

tetradic

#4028B1 #B12854 #99B128 #28B185

square

#4028B1 #B12854 #99B128 #28B185

split-complementary

#4028B1 #B18528 #54B128

monochromatic

#1C114D #2E1D7F #4028B1 #5C42D4 #8774E0

Accessibility & contrast

On white

9.74

#4028B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#4028B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028B1

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028B1	#FFFFFF	#000000	##FFFFFF
##4028B1	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B5

Deuteranopia (green-blind)

#003FAF

Tritanopia (blue-blind)

#00506C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #4028b1;
/* rgb */ color: rgb(64, 40, 177);
/* oklch */ color: oklch(40.8% 0.201 280.7);

Tailwind

colors: {
  custom: {
    50: '#8466ca',
    500: '#4028b1',
    950: '#000000',
  },
}

SCSS

$custom: #4028b1;
$custom-light: #8466ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4028b1",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 177
  },
  "hsl": {
    "h": 250.511,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40837,
    "c": 0.20094,
    "h": 280.7
  },
  "luminance": 0.05782
}

Semantic roles & 50–950 ramp

primary

#4028B1

secondary

#B7C76E

accent

#E642C9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4028B1

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

Preview Lab → · Contrast checker → · Palette generator →