#4017B4#4017B4

#4017B4 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 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#4017B4
RGB	rgb(64, 23, 180)
HSL	hsl(256, 77%, 40%)
HSV	hsv(256, 87%, 71%)
CMYK	cmyk(64.4%, 87.2%, 0%, 29.4%)
CIE-LAB	lab(26.73, 56.93, -73.72)
CIE-LCH	lch(26.73, 93.14, 307.68°)
OKLab	oklab(39.47% 0.0446 -0.2126)
OKLCH	oklch(39.47% 0.217 281.8)
XYZ	xyz(10.6564, 4.9973, 43.5742)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4017B4 #8BB417

analogous

#173CB4 #4017B4 #8F17B4

triadic

#4017B4 #B44017 #17B440

tetradic

#4017B4 #B4173C #8BB417 #17B48F

square

#4017B4 #B4173C #8BB417 #17B48F

split-complementary

#4017B4 #B48F17 #3CB417

monochromatic

#190947 #2D107E #4017B4 #5725E3 #815BEA

Accessibility & contrast

On white

10.50

#4017B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#4017B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4017B4

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4017B4	#FFFFFF	#000000	##FFFFFF
##4017B4	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	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: #4017b4;
/* rgb */ color: rgb(64, 23, 180);
/* oklch */ color: oklch(39.5% 0.217 281.8);

Tailwind

colors: {
  custom: {
    50: '#865ecc',
    500: '#4017b4',
    950: '#000000',
  },
}

SCSS

$custom: #4017b4;
$custom-light: #865ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#4017b4",
  "rgb": {
    "r": 64,
    "g": 23,
    "b": 180
  },
  "hsl": {
    "h": 255.669,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39467,
    "c": 0.21726,
    "h": 281.8
  },
  "luminance": 0.04998
}

Semantic roles & 50–950 ramp

primary

#4017B4

secondary

#AFCE59

accent

#F434C2

background

#F9F5FC

surface

#F1EAF9

border

#CBC6D2

text

#0D0514

muted

#7E7982

Preview Lab

Preview with #4017B4

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

Preview Lab → · Contrast checker → · Palette generator →