#42279A#42279A

#42279A is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.6% C 0.174 H 285.7°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#42279A
RGB	rgb(66, 39, 154)
HSL	hsl(254, 60%, 38%)
HSV	hsv(254, 75%, 60%)
CMYK	cmyk(57.1%, 74.7%, 0%, 39.6%)
CIE-LAB	lab(26.57, 42.74, -58.26)
CIE-LCH	lch(26.57, 72.25, 306.26°)
OKLab	oklab(38.59% 0.047 -0.1677)
OKLCH	oklch(38.59% 0.174 285.7)
XYZ	xyz(8.8033, 4.9419, 31.0556)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42279A #7F9A27

analogous

#27459A #42279A #7B279A

triadic

#42279A #9A4227 #279A42

tetradic

#42279A #9A2745 #7F9A27 #279A7B

square

#42279A #9A2745 #7F9A27 #279A7B

split-complementary

#42279A #9A7B27 #459A27

monochromatic

#180E38 #2D1B69 #42279A #5733CB #7F64D8

Accessibility & contrast

On white

10.56

#42279A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#42279A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42279A

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42279A	#FFFFFF	#000000	##FFFFFF
##42279A	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429D

Deuteranopia (green-blind)

#003B98

Tritanopia (blue-blind)

#18475E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #42279a;
/* rgb */ color: rgb(66, 39, 154);
/* oklch */ color: oklch(38.6% 0.174 285.7);

Tailwind

colors: {
  custom: {
    50: '#8164b9',
    500: '#42279a',
    950: '#000000',
  },
}

SCSS

$custom: #42279a;
$custom-light: #8164b9;
$custom-dark: #000000;

JSON

{
  "hex": "#42279a",
  "rgb": {
    "r": 66,
    "g": 39,
    "b": 154
  },
  "hsl": {
    "h": 254.087,
    "s": 59.585,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38587,
    "c": 0.17415,
    "h": 285.7
  },
  "luminance": 0.04942
}

Semantic roles & 50–950 ramp

primary

#42279A

secondary

#A7BD5F

accent

#E345BE

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #42279A

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

Preview Lab → · Contrast checker → · Palette generator →