#511B4A#511B4A

#511B4A is a dark, moderate purple. Relative luminance 0.030; OKLCH L 32.5% C 0.103 H 333.1°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#511B4A
RGB	rgb(81, 27, 74)
HSL	hsl(308, 50%, 21%)
HSV	hsv(308, 67%, 32%)
CMYK	cmyk(0%, 66.7%, 8.6%, 68.2%)
CIE-LAB	lab(20.16, 31.77, -17.00)
CIE-LCH	lch(20.16, 36.03, 331.85°)
OKLab	oklab(32.5% 0.0914 -0.0464)
OKLCH	oklch(32.5% 0.103 333.1)
XYZ	xyz(5.0213, 3.0280, 6.7972)
Luminance	0.0303 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B4A #1B5122

analogous

#3D1B51 #511B4A #511B2F

triadic

#511B4A #4A511B #1B4A51

tetradic

#511B4A #513D1B #1B5122 #1B2F51

square

#511B4A #513D1B #1B5122 #1B2F51

split-complementary

#511B4A #2F511B #1B513D

monochromatic

#170815 #230C20 #511B4A #7F2A74 #AD3A9E

Accessibility & contrast

On white

13.08

#511B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#511B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B4A

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B4A	#FFFFFF	#000000	##FFFFFF
##511B4A	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2C4B

Deuteranopia (green-blind)

#2B3349

Tritanopia (blue-blind)

#551F2F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #511b4a;
/* rgb */ color: rgb(81, 27, 74);
/* oklch */ color: oklch(32.5% 0.103 333.1);

Tailwind

colors: {
  custom: {
    50: '#845b7c',
    500: '#511b4a',
    950: '#000000',
  },
}

SCSS

$custom: #511b4a;
$custom-light: #845b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#511b4a",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 74
  },
  "hsl": {
    "h": 307.778,
    "s": 50,
    "l": 21.176
  },
  "oklch": {
    "l": 0.32499,
    "c": 0.10255,
    "h": 333.1
  },
  "luminance": 0.03028
}

Semantic roles & 50–950 ramp

primary

#511B4A

secondary

#41874A

accent

#DA604E

background

#F8F5F7

surface

#EFE9EE

border

#CAC5C9

text

#0B0409

muted

#7C797B

Preview Lab

Preview with #511B4A

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

Preview Lab → · Contrast checker → · Palette generator →