#42157B#42157B

#42157B is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.4% C 0.157 H 296.7°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#42157B
RGB	rgb(66, 21, 123)
HSL	hsl(266, 71%, 28%)
HSV	hsv(266, 83%, 48%)
CMYK	cmyk(46.3%, 82.9%, 0%, 51.8%)
CIE-LAB	lab(20.54, 42.59, -48.80)
CIE-LCH	lch(20.54, 64.77, 311.11°)
OKLab	oklab(33.45% 0.0705 -0.1398)
OKLCH	oklch(33.45% 0.157 296.7)
XYZ	xyz(6.0891, 3.1245, 19.0173)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42157B #4E7B15

analogous

#151B7B #42157B #75157B

triadic

#42157B #7B4215 #157B42

tetradic

#42157B #7B151B #4E7B15 #157B75

square

#42157B #7B151B #4E7B15 #157B75

split-complementary

#42157B #7B7515 #1B7B15

monochromatic

#0E041A #260C47 #42157B #5E1EAF #7B2FDB

Accessibility & contrast

On white

12.92

#42157B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#42157B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42157B

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42157B	#FFFFFF	#000000	##FFFFFF
##42157B	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327E

Deuteranopia (green-blind)

#003079

Tritanopia (blue-blind)

#323248

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #42157b;
/* rgb */ color: rgb(66, 21, 123);
/* oklch */ color: oklch(33.4% 0.157 296.7);

Tailwind

colors: {
  custom: {
    50: '#7d59a2',
    500: '#42157b',
    950: '#000000',
  },
}

SCSS

$custom: #42157b;
$custom-light: #7d59a2;
$custom-dark: #000000;

JSON

{
  "hex": "#42157b",
  "rgb": {
    "r": 66,
    "g": 21,
    "b": 123
  },
  "hsl": {
    "h": 266.471,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33447,
    "c": 0.15661,
    "h": 296.7
  },
  "luminance": 0.03125
}

Semantic roles & 50–950 ramp

primary

#42157B

secondary

#7DB03B

accent

#EE3A9E

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #42157B

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

Preview Lab → · Contrast checker → · Palette generator →