#4028AF#4028AF

#4028AF is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.6% C 0.199 H 281.0°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#4028AF
RGB	rgb(64, 40, 175)
HSL	hsl(251, 63%, 42%)
HSV	hsv(251, 77%, 69%)
CMYK	cmyk(63.4%, 77.1%, 0%, 31.4%)
CIE-LAB	lab(28.65, 48.29, -67.55)
CIE-LCH	lch(28.65, 83.04, 305.56°)
OKLab	oklab(40.63% 0.038 -0.1949)
OKLCH	oklch(40.63% 0.199 281)
XYZ	xyz(10.6086, 5.7019, 41.0907)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4028AF #97AF28

analogous

#2853AF #4028AF #8428AF

triadic

#4028AF #AF4028 #28AF40

tetradic

#4028AF #AF2853 #97AF28 #28AF84

square

#4028AF #AF2853 #97AF28 #28AF84

split-complementary

#4028AF #AF8428 #53AF28

monochromatic

#1C114B #2E1D7D #4028AF #5B41D4 #8673DF

Accessibility & contrast

On white

9.81

#4028AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#4028AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4028AF

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4028AF	#FFFFFF	#000000	##FFFFFF
##4028AF	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B3

Deuteranopia (green-blind)

#003FAD

Tritanopia (blue-blind)

#004F6A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #4028af;
/* rgb */ color: rgb(64, 40, 175);
/* oklch */ color: oklch(40.6% 0.199 281.0);

Tailwind

colors: {
  custom: {
    50: '#8366c8',
    500: '#4028af',
    950: '#000000',
  },
}

SCSS

$custom: #4028af;
$custom-light: #8366c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4028af",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 175
  },
  "hsl": {
    "h": 250.667,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40632,
    "c": 0.19858,
    "h": 281
  },
  "luminance": 0.05703
}

Semantic roles & 50–950 ramp

primary

#4028AF

secondary

#B6C66D

accent

#E642C9

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4028AF

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

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