#511B3B#511B3B

#511B3B is a dark, moderate pink. Relative luminance 0.028; OKLCH L 31.7% C 0.090 H 346.9°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#511B3B
RGB	rgb(81, 27, 59)
HSL	hsl(324, 50%, 21%)
HSV	hsv(324, 67%, 32%)
CMYK	cmyk(0%, 66.7%, 27.2%, 68.2%)
CIE-LAB	lab(19.43, 29.16, -7.78)
CIE-LCH	lch(19.43, 30.18, 345.06°)
OKLab	oklab(31.73% 0.088 -0.0205)
OKLCH	oklch(31.73% 0.09 346.9)
XYZ	xyz(4.5749, 2.8494, 4.4459)
Luminance	0.0285 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511B3B #1B5131

analogous

#4C1B51 #511B3B #511B20

triadic

#511B3B #3B511B #1B3B51

tetradic

#511B3B #514C1B #1B5131 #1B2051

square

#511B3B #514C1B #1B5131 #1B2051

split-complementary

#511B3B #20511B #1B514C

monochromatic

#170811 #230C1A #511B3B #7F2A5C #AD3A7E

Accessibility & contrast

On white

13.38

#511B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#511B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511B3B

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511B3B	#FFFFFF	#000000	##FFFFFF
##511B3B	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21293C

Deuteranopia (green-blind)

#30323A

Tritanopia (blue-blind)

#571A28

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511b3b;
/* rgb */ color: rgb(81, 27, 59);
/* oklch */ color: oklch(31.7% 0.090 346.9);

Tailwind

colors: {
  custom: {
    50: '#845b71',
    500: '#511b3b',
    950: '#000000',
  },
}

SCSS

$custom: #511b3b;
$custom-light: #845b71;
$custom-dark: #000000;

JSON

{
  "hex": "#511b3b",
  "rgb": {
    "r": 81,
    "g": 27,
    "b": 59
  },
  "hsl": {
    "h": 324.444,
    "s": 50,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31729,
    "c": 0.09034,
    "h": 346.9
  },
  "luminance": 0.02849
}

Semantic roles & 50–950 ramp

primary

#511B3B

secondary

#41875D

accent

#DA874E

background

#F8F5F6

surface

#EFE9EC

border

#CAC5C7

text

#0B0407

muted

#7C797A

Preview Lab

Preview with #511B3B

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

Preview Lab → · Contrast checker → · Palette generator →