#4B1B8F#4B1B8F

#4B1B8F is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.174 H 295.1°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B8F
RGB	rgb(75, 27, 143)
HSL	hsl(265, 68%, 33%)
HSV	hsv(265, 81%, 56%)
CMYK	cmyk(47.6%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(24.52, 46.72, -54.80)
CIE-LCH	lch(24.52, 72.01, 310.45°)
OKLab	oklab(37.07% 0.0737 -0.1572)
OKLCH	oklch(37.07% 0.174 295.1)
XYZ	xyz(8.2502, 4.2627, 26.3694)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B8F #5F8F1B

analogous

#1B258F #4B1B8F #851B8F

triadic

#4B1B8F #8F4B1B #1B8F4B

tetradic

#4B1B8F #8F1B25 #5F8F1B #1B8F85

square

#4B1B8F #8F1B25 #5F8F1B #1B8F85

split-complementary

#4B1B8F #8F851B #258F1B

monochromatic

#150828 #30115C #4B1B8F #6625C2 #8548DC

Accessibility & contrast

On white

11.34

#4B1B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#4B1B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B8F

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B8F	#FFFFFF	#000000	##FFFFFF
##4B1B8F	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#00388D

Tritanopia (blue-blind)

#373C55

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #4b1b8f;
/* rgb */ color: rgb(75, 27, 143);
/* oklch */ color: oklch(37.1% 0.174 295.1);

Tailwind

colors: {
  custom: {
    50: '#855eb1',
    500: '#4b1b8f',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b8f;
$custom-light: #855eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b8f",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 264.828,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37068,
    "c": 0.17357,
    "h": 295.1
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#4B1B8F

secondary

#8DBE48

accent

#EB3DA3

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0511

muted

#7D7980

Preview Lab

Preview with #4B1B8F

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

Preview Lab → · Contrast checker → · Palette generator →