#42279C#42279C

#42279C is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.8% C 0.177 H 285.3°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#42279C
RGB	rgb(66, 39, 156)
HSL	hsl(254, 60%, 38%)
HSV	hsv(254, 75%, 61%)
CMYK	cmyk(57.7%, 75%, 0%, 38.8%)
CIE-LAB	lab(26.76, 43.34, -59.16)
CIE-LCH	lch(26.76, 73.34, 306.22°)
OKLab	oklab(38.78% 0.0465 -0.1703)
OKLCH	oklch(38.78% 0.177 285.3)
XYZ	xyz(8.9712, 5.0091, 31.9402)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42279C #819C27

analogous

#27469C #42279C #7C279C

triadic

#42279C #9C4227 #279C42

tetradic

#42279C #9C2746 #819C27 #279C7C

square

#42279C #9C2746 #819C27 #279C7C

split-complementary

#42279C #9C7C27 #469C27

monochromatic

#190F3A #2D1B6B #42279C #5734CC #8065D8

Accessibility & contrast

On white

10.49

#42279C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#42279C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42279C

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42279C	#FFFFFF	#000000	##FFFFFF
##42279C	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)

#00429F

Deuteranopia (green-blind)

#003C9A

Tritanopia (blue-blind)

#15475F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #42279c;
/* rgb */ color: rgb(66, 39, 156);
/* oklch */ color: oklch(38.8% 0.177 285.3);

Tailwind

colors: {
  custom: {
    50: '#8164ba',
    500: '#42279c',
    950: '#000000',
  },
}

SCSS

$custom: #42279c;
$custom-light: #8164ba;
$custom-dark: #000000;

JSON

{
  "hex": "#42279c",
  "rgb": {
    "r": 66,
    "g": 39,
    "b": 156
  },
  "hsl": {
    "h": 253.846,
    "s": 60,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38781,
    "c": 0.17659,
    "h": 285.3
  },
  "luminance": 0.0501
}

Semantic roles & 50–950 ramp

primary

#42279C

secondary

#A9BE61

accent

#E345BF

background

#F8F6FB

surface

#F0EBF6

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #42279C

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

Preview Lab → · Contrast checker → · Palette generator →