#42219B#42219B

#42219B is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.9% C 0.181 H 286.4°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#42219B
RGB	rgb(66, 33, 155)
HSL	hsl(256, 65%, 37%)
HSV	hsv(256, 79%, 61%)
CMYK	cmyk(57.4%, 78.7%, 0%, 39.2%)
CIE-LAB	lab(25.60, 46.07, -60.46)
CIE-LCH	lch(25.60, 76.02, 307.31°)
OKLab	oklab(37.94% 0.0512 -0.1741)
OKLCH	oklch(37.94% 0.181 286.4)
XYZ	xyz(8.7052, 4.6120, 31.4355)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42219B #7A9B21

analogous

#213D9B #42219B #7F219B

triadic

#42219B #9B4221 #219B42

tetradic

#42219B #9B213D #7A9B21 #219B7F

square

#42219B #9B213D #7A9B21 #219B7F

split-complementary

#42219B #9B7F21 #3D9B21

monochromatic

#170C36 #2D1669 #42219B #572CCD #7D5ADC

Accessibility & contrast

On white

10.92

#42219B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#42219B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42219B

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42219B	#FFFFFF	#000000	##FFFFFF
##42219B	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#17445D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #42219b;
/* rgb */ color: rgb(66, 33, 155);
/* oklch */ color: oklch(37.9% 0.181 286.4);

Tailwind

colors: {
  custom: {
    50: '#8161ba',
    500: '#42219b',
    950: '#000000',
  },
}

SCSS

$custom: #42219b;
$custom-light: #8161ba;
$custom-dark: #000000;

JSON

{
  "hex": "#42219b",
  "rgb": {
    "r": 66,
    "g": 33,
    "b": 155
  },
  "hsl": {
    "h": 256.23,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37937,
    "c": 0.18147,
    "h": 286.4
  },
  "luminance": 0.04613
}

Semantic roles & 50–950 ramp

primary

#42219B

secondary

#A4C058

accent

#E840BA

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #42219B

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

Preview Lab → · Contrast checker → · Palette generator →