#4B1B68#4B1B68

#4B1B68 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.6% C 0.131 H 309.6°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B68
RGB	rgb(75, 27, 104)
HSL	hsl(277, 59%, 26%)
HSV	hsv(277, 74%, 41%)
CMYK	cmyk(27.9%, 74%, 0%, 59.2%)
CIE-LAB	lab(21.13, 36.72, -35.52)
CIE-LCH	lch(21.13, 51.09, 315.95°)
OKLab	oklab(33.63% 0.0833 -0.1005)
OKLCH	oklch(33.63% 0.131 309.6)
XYZ	xyz(5.7918, 3.2793, 13.4219)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B68 #38681B

analogous

#241B68 #4B1B68 #681B5E

triadic

#4B1B68 #684B1B #1B684B

tetradic

#4B1B68 #68241B #38681B #1B5E68

square

#4B1B68 #68241B #38681B #1B5E68

split-complementary

#4B1B68 #5E681B #1B6824

monochromatic

#120618 #280E37 #4B1B68 #6E2899 #9134C9

Accessibility & contrast

On white

12.68

#4B1B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#4B1B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B68

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B68	#FFFFFF	#000000	##FFFFFF
##4B1B68	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316A

Deuteranopia (green-blind)

#0C3366

Tritanopia (blue-blind)

#472C3F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #4b1b68;
/* rgb */ color: rgb(75, 27, 104);
/* oklch */ color: oklch(33.6% 0.131 309.6);

Tailwind

colors: {
  custom: {
    50: '#815c94',
    500: '#4b1b68',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b68;
$custom-light: #815c94;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b68",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 277.403,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3363,
    "c": 0.13055,
    "h": 309.6
  },
  "luminance": 0.03279
}

Semantic roles & 50–950 ramp

primary

#4B1B68

secondary

#649D42

accent

#E24681

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #4B1B68

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

Preview Lab → · Contrast checker → · Palette generator →