#42289C#42289C

#42289C is a dark, vivid violet. Relative luminance 0.051; OKLCH L 38.9% C 0.176 H 285.1°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#42289C
RGB	rgb(66, 40, 156)
HSL	hsl(253, 59%, 38%)
HSV	hsv(253, 74%, 61%)
CMYK	cmyk(57.7%, 74.4%, 0%, 38.8%)
CIE-LAB	lab(26.95, 42.81, -58.85)
CIE-LCH	lch(26.95, 72.78, 306.03°)
OKLab	oklab(38.91% 0.0457 -0.1694)
OKLCH	oklch(38.91% 0.176 285.1)
XYZ	xyz(9.0045, 5.0756, 31.9513)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42289C #829C28

analogous

#28489C #42289C #7C289C

triadic

#42289C #9C4228 #289C42

tetradic

#42289C #9C2848 #829C28 #289C7C

square

#42289C #9C2848 #829C28 #289C7C

split-complementary

#42289C #9C7C28 #489C28

monochromatic

#190F3B #2D1C6B #42289C #5736CB #8067D8

Accessibility & contrast

On white

10.42

#42289C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#42289C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42289C

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42289C	#FFFFFF	#000000	##FFFFFF
##42289C	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439F

Deuteranopia (green-blind)

#003C9A

Tritanopia (blue-blind)

#154860

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #42289c;
/* rgb */ color: rgb(66, 40, 156);
/* oklch */ color: oklch(38.9% 0.176 285.1);

Tailwind

colors: {
  custom: {
    50: '#8165ba',
    500: '#42289c',
    950: '#000000',
  },
}

SCSS

$custom: #42289c;
$custom-light: #8165ba;
$custom-dark: #000000;

JSON

{
  "hex": "#42289c",
  "rgb": {
    "r": 66,
    "g": 40,
    "b": 156
  },
  "hsl": {
    "h": 253.448,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38914,
    "c": 0.17551,
    "h": 285.1
  },
  "luminance": 0.05076
}

Semantic roles & 50–950 ramp

primary

#42289C

secondary

#A9BE62

accent

#E245BF

background

#F8F6FB

surface

#F0EBF6

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #42289C

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

Preview Lab → · Contrast checker → · Palette generator →