#4B1B8E#4B1B8E

#4B1B8E is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.0% C 0.172 H 295.4°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B8E
RGB	rgb(75, 27, 142)
HSL	hsl(265, 68%, 33%)
HSV	hsv(265, 81%, 56%)
CMYK	cmyk(47.2%, 81%, 0%, 44.3%)
CIE-LAB	lab(24.43, 46.46, -54.34)
CIE-LCH	lch(24.43, 71.49, 310.53°)
OKLab	oklab(36.97% 0.074 -0.1558)
OKLCH	oklch(36.97% 0.172 295.4)
XYZ	xyz(8.1747, 4.2325, 25.9722)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B8E #5E8E1B

analogous

#1B258E #4B1B8E #841B8E

triadic

#4B1B8E #8E4B1B #1B8E4B

tetradic

#4B1B8E #8E1B25 #5E8E1B #1B8E84

square

#4B1B8E #8E1B25 #5E8E1B #1B8E84

split-complementary

#4B1B8E #8E841B #258E1B

monochromatic

#150727 #30115B #4B1B8E #6625C1 #8547DC

Accessibility & contrast

On white

11.37

#4B1B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#4B1B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B8E

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B8E	#FFFFFF	#000000	##FFFFFF
##4B1B8E	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#383C55

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #4b1b8e;
/* rgb */ color: rgb(75, 27, 142);
/* oklch */ color: oklch(37.0% 0.172 295.4);

Tailwind

colors: {
  custom: {
    50: '#855eb0',
    500: '#4b1b8e',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b8e;
$custom-light: #855eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b8e",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 142
  },
  "hsl": {
    "h": 265.043,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36972,
    "c": 0.17248,
    "h": 295.4
  },
  "luminance": 0.04233
}

Semantic roles & 50–950 ramp

primary

#4B1B8E

secondary

#8CBE47

accent

#EB3DA2

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #4B1B8E

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

Preview Lab → · Contrast checker → · Palette generator →