#4B18B4#4B18B4

#4B18B4 is a dark, highly saturated violet. Relative luminance 0.054; OKLCH L 40.6% C 0.215 H 286.7°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B18B4
RGB	rgb(75, 24, 180)
HSL	hsl(260, 76%, 40%)
HSV	hsv(260, 87%, 71%)
CMYK	cmyk(58.3%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(27.96, 57.54, -71.64)
CIE-LCH	lch(27.96, 91.89, 308.77°)
OKLab	oklab(40.58% 0.0618 -0.2063)
OKLCH	oklch(40.58% 0.215 286.7)
XYZ	xyz(11.4640, 5.4437, 43.6178)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B18B4 #81B418

analogous

#1833B4 #4B18B4 #9918B4

triadic

#4B18B4 #B44B18 #18B44B

tetradic

#4B18B4 #B41833 #81B418 #18B499

square

#4B18B4 #B41833 #81B418 #18B499

split-complementary

#4B18B4 #B49918 #33B418

monochromatic

#1E0A48 #34117E #4B18B4 #6427E2 #8B5DE9

Accessibility & contrast

On white

10.05

#4B18B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#4B18B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B18B4

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B18B4	#FFFFFF	#000000	##FFFFFF
##4B18B4	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B8

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#124B6A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #4b18b4;
/* rgb */ color: rgb(75, 24, 180);
/* oklch */ color: oklch(40.6% 0.215 286.7);

Tailwind

colors: {
  custom: {
    50: '#8b5fcc',
    500: '#4b18b4',
    950: '#000000',
  },
}

SCSS

$custom: #4b18b4;
$custom-light: #8b5fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b18b4",
  "rgb": {
    "r": 75,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 259.615,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.40576,
    "c": 0.21536,
    "h": 286.7
  },
  "luminance": 0.05444
}

Semantic roles & 50–950 ramp

primary

#4B18B4

secondary

#A8CD5B

accent

#F335B5

background

#F9F5FC

surface

#F1EAF9

border

#CBC6D2

text

#0D0514

muted

#7E7982

Preview Lab

Preview with #4B18B4

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

Preview Lab → · Contrast checker → · Palette generator →