#4218B4#4218B4

#4218B4 is a dark, highly saturated violet. Relative luminance 0.051; OKLCH L 39.7% C 0.216 H 282.6°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#4218B4
RGB	rgb(66, 24, 180)
HSL	hsl(256, 76%, 40%)
HSV	hsv(256, 87%, 71%)
CMYK	cmyk(63.3%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(27.03, 56.75, -73.20)
CIE-LCH	lch(27.03, 92.62, 307.78°)
OKLab	oklab(39.72% 0.0474 -0.2111)
OKLCH	oklch(39.72% 0.216 282.6)
XYZ	xyz(10.8091, 5.1060, 43.5871)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4218B4 #8AB418

analogous

#183CB4 #4218B4 #9018B4

triadic

#4218B4 #B44218 #18B442

tetradic

#4218B4 #B4183C #8AB418 #18B490

square

#4218B4 #B4183C #8AB418 #18B490

split-complementary

#4218B4 #B49018 #3CB418

monochromatic

#1A0A48 #2E117E #4218B4 #5927E2 #835DE9

Accessibility & contrast

On white

10.39

#4218B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#4218B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4218B4

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4218B4	#FFFFFF	#000000	##FFFFFF
##4218B4	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B8

Deuteranopia (green-blind)

#003BB1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #4218b4;
/* rgb */ color: rgb(66, 24, 180);
/* oklch */ color: oklch(39.7% 0.216 282.6);

Tailwind

colors: {
  custom: {
    50: '#865ecc',
    500: '#4218b4',
    950: '#000000',
  },
}

SCSS

$custom: #4218b4;
$custom-light: #865ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#4218b4",
  "rgb": {
    "r": 66,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 256.154,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.39723,
    "c": 0.21635,
    "h": 282.6
  },
  "luminance": 0.05107
}

Semantic roles & 50–950 ramp

primary

#4218B4

secondary

#AECD5B

accent

#F335C0

background

#F9F5FC

surface

#F1EAF9

border

#CBC6D2

text

#0D0514

muted

#7E7982

Preview Lab

Preview with #4218B4

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

Preview Lab → · Contrast checker → · Palette generator →