#4818B4#4818B4

#4818B4 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 40.3% C 0.216 H 285.3°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#4818B4
RGB	rgb(72, 24, 180)
HSL	hsl(258, 76%, 40%)
HSV	hsv(258, 87%, 71%)
CMYK	cmyk(60%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(27.64, 57.27, -72.18)
CIE-LCH	lch(27.64, 92.14, 308.43°)
OKLab	oklab(40.28% 0.0569 -0.208)
OKLCH	oklch(40.28% 0.216 285.3)
XYZ	xyz(11.2348, 5.3256, 43.6071)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4818B4 #84B418

analogous

#1836B4 #4818B4 #9618B4

triadic

#4818B4 #B44818 #18B448

tetradic

#4818B4 #B41836 #84B418 #18B496

square

#4818B4 #B41836 #84B418 #18B496

split-complementary

#4818B4 #B49618 #36B418

monochromatic

#1D0A48 #32117E #4818B4 #6127E2 #885DE9

Accessibility & contrast

On white

10.17

#4818B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#4818B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4818B4

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4818B4	#FFFFFF	#000000	##FFFFFF
##4818B4	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B8

Deuteranopia (green-blind)

#003DB1

Tritanopia (blue-blind)

#004B6A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #4818b4;
/* rgb */ color: rgb(72, 24, 180);
/* oklch */ color: oklch(40.3% 0.216 285.3);

Tailwind

colors: {
  custom: {
    50: '#895fcc',
    500: '#4818b4',
    950: '#000000',
  },
}

SCSS

$custom: #4818b4;
$custom-light: #895fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4818b4",
  "rgb": {
    "r": 72,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 258.462,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.40282,
    "c": 0.21562,
    "h": 285.3
  },
  "luminance": 0.05326
}

Semantic roles & 50–950 ramp

primary

#4818B4

secondary

#AACD5B

accent

#F335B8

background

#F9F5FC

surface

#F1EAF9

border

#CBC6D2

text

#0D0514

muted

#7E7982

Preview Lab

Preview with #4818B4

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

Preview Lab → · Contrast checker → · Palette generator →