#511B49#511B49

#511B49 is a dark, moderate purple. Relative luminance 0.030; OKLCH L 32.4% C 0.102 H 333.9°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#511B49
RGB	rgb(81, 27, 73)
HSL	hsl(309, 50%, 21%)
HSV	hsv(309, 67%, 32%)
CMYK	cmyk(0%, 66.7%, 9.9%, 68.2%)
CIE-LAB	lab(20.10, 31.58, -16.40)
CIE-LCH	lch(20.10, 35.59, 332.55°)
OKLab	oklab(32.44% 0.0913 -0.0447)
OKLCH	oklch(32.44% 0.102 333.9)
XYZ	xyz(4.9879, 3.0146, 6.6212)
Luminance	0.0301 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B49 #1B5123

analogous

#3E1B51 #511B49 #511B2E

triadic

#511B49 #49511B #1B4951

tetradic

#511B49 #513E1B #1B5123 #1B2E51

square

#511B49 #513E1B #1B5123 #1B2E51

split-complementary

#511B49 #2E511B #1B513E

monochromatic

#170815 #230C20 #511B49 #7F2A72 #AD3A9C

Accessibility & contrast

On white

13.10

#511B49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#511B49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B49

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B49	#FFFFFF	#000000	##FFFFFF
##511B49	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2B4A

Deuteranopia (green-blind)

#2B3348

Tritanopia (blue-blind)

#551F2F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #511b49;
/* rgb */ color: rgb(81, 27, 73);
/* oklch */ color: oklch(32.4% 0.102 333.9);

Tailwind

colors: {
  custom: {
    50: '#845b7c',
    500: '#511b49',
    950: '#000000',
  },
}

SCSS

$custom: #511b49;
$custom-light: #845b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#511b49",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 73
  },
  "hsl": {
    "h": 308.889,
    "s": 50,
    "l": 21.176
  },
  "oklch": {
    "l": 0.32443,
    "c": 0.10163,
    "h": 333.9
  },
  "luminance": 0.03014
}

Semantic roles & 50–950 ramp

primary

#511B49

secondary

#41874B

accent

#DA634E

background

#F8F5F7

surface

#EFE9EE

border

#CAC5C9

text

#0B0409

muted

#7C797B

Preview Lab

Preview with #511B49

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

Preview Lab → · Contrast checker → · Palette generator →