#4018B4#4018B4

#4018B4 is a dark, highly saturated violet. Relative luminance 0.050; OKLCH L 39.5% C 0.217 H 281.8°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#4018B4
RGB	rgb(64, 24, 180)
HSL	hsl(255, 76%, 40%)
HSV	hsv(255, 87%, 71%)
CMYK	cmyk(64.4%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(26.84, 56.59, -73.53)
CIE-LCH	lch(26.84, 92.78, 307.58°)
OKLab	oklab(39.55% 0.0442 -0.2121)
OKLCH	oklch(39.55% 0.217 281.8)
XYZ	xyz(10.6766, 5.0377, 43.5809)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4018B4 #8CB418

analogous

#183EB4 #4018B4 #8E18B4

triadic

#4018B4 #B44018 #18B440

tetradic

#4018B4 #B4183E #8CB418 #18B48E

square

#4018B4 #B4183E #8CB418 #18B48E

split-complementary

#4018B4 #B48E18 #3EB418

monochromatic

#1A0A48 #2D117E #4018B4 #5727E2 #815DE9

Accessibility & contrast

On white

10.46

#4018B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#4018B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4018B4

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4018B4	#FFFFFF	#000000	##FFFFFF
##4018B4	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #4018b4;
/* rgb */ color: rgb(64, 24, 180);
/* oklch */ color: oklch(39.5% 0.217 281.8);

Tailwind

colors: {
  custom: {
    50: '#855ecc',
    500: '#4018b4',
    950: '#000000',
  },
}

SCSS

$custom: #4018b4;
$custom-light: #855ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#4018b4",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 255.385,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.39545,
    "c": 0.21666,
    "h": 281.8
  },
  "luminance": 0.05039
}

Semantic roles & 50–950 ramp

primary

#4018B4

secondary

#B0CD5B

accent

#F335C2

background

#F9F5FC

surface

#F1EAF9

border

#CBC6D2

text

#0D0514

muted

#7E7982

Preview Lab

Preview with #4018B4

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

Preview Lab → · Contrast checker → · Palette generator →