#4B1F9D#4B1F9D

#4B1F9D is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.8% C 0.185 H 290.9°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#4B1F9D
RGB	rgb(75, 31, 157)
HSL	hsl(261, 67%, 37%)
HSV	hsv(261, 80%, 62%)
CMYK	cmyk(52.2%, 80.3%, 0%, 38.4%)
CIE-LAB	lab(26.48, 48.76, -60.21)
CIE-LCH	lch(26.48, 77.47, 309.00°)
OKLab	oklab(38.84% 0.0662 -0.173)
OKLCH	oklch(38.84% 0.185 290.9)
XYZ	xyz(9.4757, 4.9098, 32.3401)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1F9D #719D1F

analogous

#1F329D #4B1F9D #8A1F9D

triadic

#4B1F9D #9D4B1F #1F9D4B

tetradic

#4B1F9D #9D1F32 #719D1F #1F9D8A

square

#4B1F9D #9D1F32 #719D1F #1F9D8A

split-complementary

#4B1F9D #9D8A1F #329D1F

monochromatic

#1A0B37 #33156A #4B1F9D #6329D0 #8758DE

Accessibility & contrast

On white

10.60

#4B1F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#4B1F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1F9D

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1F9D	#FFFFFF	#000000	##FFFFFF
##4B1F9D	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#003C9B

Tritanopia (blue-blind)

#2E445E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #4b1f9d;
/* rgb */ color: rgb(75, 31, 157);
/* oklch */ color: oklch(38.8% 0.185 290.9);

Tailwind

colors: {
  custom: {
    50: '#8761bb',
    500: '#4b1f9d',
    950: '#000000',
  },
}

SCSS

$custom: #4b1f9d;
$custom-light: #8761bb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1f9d",
  "rgb": {
    "r": 75,
    "g": 31,
    "b": 157
  },
  "hsl": {
    "h": 260.952,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38839,
    "c": 0.18525,
    "h": 290.9
  },
  "luminance": 0.0491
}

Semantic roles & 50–950 ramp

primary

#4B1F9D

secondary

#9CC256

accent

#EA3EAE

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #4B1F9D

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

Preview Lab → · Contrast checker → · Palette generator →