#42279D#42279D

#42279D is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.9% C 0.178 H 285.1°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#42279D
RGB	rgb(66, 39, 157)
HSL	hsl(254, 60%, 38%)
HSV	hsv(254, 75%, 62%)
CMYK	cmyk(58%, 75.2%, 0%, 38.4%)
CIE-LAB	lab(26.86, 43.64, -59.62)
CIE-LCH	lch(26.86, 73.88, 306.21°)
OKLab	oklab(38.88% 0.0463 -0.1717)
OKLCH	oklch(38.88% 0.178 285.1)
XYZ	xyz(9.0562, 5.0431, 32.3880)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42279D #829D27

analogous

#27479D #42279D #7D279D

triadic

#42279D #9D4227 #279D42

tetradic

#42279D #9D2747 #829D27 #279D7D

square

#42279D #9D2747 #829D27 #279D7D

split-complementary

#42279D #9D7D27 #479D27

monochromatic

#190F3B #2D1B6C #42279D #5735CD #8066D9

Accessibility & contrast

On white

10.45

#42279D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#42279D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42279D

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42279D	#FFFFFF	#000000	##FFFFFF
##42279D	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#134860

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #42279d;
/* rgb */ color: rgb(66, 39, 157);
/* oklch */ color: oklch(38.9% 0.178 285.1);

Tailwind

colors: {
  custom: {
    50: '#8164bb',
    500: '#42279d',
    950: '#000000',
  },
}

SCSS

$custom: #42279d;
$custom-light: #8164bb;
$custom-dark: #000000;

JSON

{
  "hex": "#42279d",
  "rgb": {
    "r": 66,
    "g": 39,
    "b": 157
  },
  "hsl": {
    "h": 253.729,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38878,
    "c": 0.1778,
    "h": 285.1
  },
  "luminance": 0.05044
}

Semantic roles & 50–950 ramp

primary

#42279D

secondary

#A9BF61

accent

#E344BF

background

#F8F6FB

surface

#F0EBF6

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #42279D

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

Preview Lab → · Contrast checker → · Palette generator →