#42289A#42289A

#42289A is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.7% C 0.173 H 285.5°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#42289A
RGB	rgb(66, 40, 154)
HSL	hsl(254, 59%, 38%)
HSV	hsv(254, 74%, 60%)
CMYK	cmyk(57.1%, 74%, 0%, 39.6%)
CIE-LAB	lab(26.76, 42.20, -57.94)
CIE-LCH	lch(26.76, 71.68, 306.07°)
OKLab	oklab(38.72% 0.0462 -0.1668)
OKLCH	oklch(38.72% 0.173 285.5)
XYZ	xyz(8.8365, 5.0084, 31.0667)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42289A #809A28

analogous

#28479A #42289A #7B289A

triadic

#42289A #9A4228 #289A42

tetradic

#42289A #9A2847 #809A28 #289A7B

square

#42289A #9A2847 #809A28 #289A7B

split-complementary

#42289A #9A7B28 #479A28

monochromatic

#180F39 #2D1B69 #42289A #5735CA #7F65D7

Accessibility & contrast

On white

10.49

#42289A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#42289A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42289A

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42289A	#FFFFFF	#000000	##FFFFFF
##42289A	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429D

Deuteranopia (green-blind)

#003C98

Tritanopia (blue-blind)

#18475E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #42289a;
/* rgb */ color: rgb(66, 40, 154);
/* oklch */ color: oklch(38.7% 0.173 285.5);

Tailwind

colors: {
  custom: {
    50: '#8065b9',
    500: '#42289a',
    950: '#000000',
  },
}

SCSS

$custom: #42289a;
$custom-light: #8065b9;
$custom-dark: #000000;

JSON

{
  "hex": "#42289a",
  "rgb": {
    "r": 66,
    "g": 40,
    "b": 154
  },
  "hsl": {
    "h": 253.684,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38722,
    "c": 0.17306,
    "h": 285.5
  },
  "luminance": 0.05009
}

Semantic roles & 50–950 ramp

primary

#42289A

secondary

#A8BD61

accent

#E246BE

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #42289A

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

Preview Lab → · Contrast checker → · Palette generator →