#4027AC#4027AC

#4027AC is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.2% C 0.196 H 281.6°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#4027AC
RGB	rgb(64, 39, 172)
HSL	hsl(251, 63%, 41%)
HSV	hsv(251, 77%, 67%)
CMYK	cmyk(62.8%, 77.3%, 0%, 32.5%)
CIE-LAB	lab(28.16, 47.89, -66.55)
CIE-LCH	lch(28.16, 81.99, 305.74°)
OKLab	oklab(40.2% 0.0394 -0.192)
OKLCH	oklch(40.2% 0.196 281.6)
XYZ	xyz(10.2839, 5.5188, 39.5450)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4027AC #93AC27

analogous

#2751AC #4027AC #8327AC

triadic

#4027AC #AC4027 #27AC40

tetradic

#4027AC #AC2751 #93AC27 #27AC83

square

#4027AC #AC2751 #93AC27 #27AC83

split-complementary

#4027AC #AC8327 #51AC27

monochromatic

#1B1048 #2D1C7A #4027AC #593DD3 #846FDE

Accessibility & contrast

On white

9.98

#4027AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#4027AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4027AC

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4027AC	#FFFFFF	#000000	##FFFFFF
##4027AC	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#004E68

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #4027ac;
/* rgb */ color: rgb(64, 39, 172);
/* oklch */ color: oklch(40.2% 0.196 281.6);

Tailwind

colors: {
  custom: {
    50: '#8365c6',
    500: '#4027ac',
    950: '#000000',
  },
}

SCSS

$custom: #4027ac;
$custom-light: #8365c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4027ac",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 172
  },
  "hsl": {
    "h": 251.278,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40202,
    "c": 0.19599,
    "h": 281.6
  },
  "luminance": 0.0552
}

Semantic roles & 50–950 ramp

primary

#4027AC

secondary

#B4C56A

accent

#E642C7

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4027AC

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

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