#511D24#511D24

#511D24 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.2% C 0.078 H 14.6°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#511D24
RGB	rgb(81, 29, 36)
HSL	hsl(352, 47%, 22%)
HSV	hsv(352, 64%, 32%)
CMYK	cmyk(0%, 64.2%, 55.6%, 68.2%)
CIE-LAB	lab(19.04, 25.06, 7.80)
CIE-LCH	lch(19.04, 26.24, 17.29°)
OKLab	oklab(31.18% 0.0755 0.0197)
OKLCH	oklch(31.18% 0.078 14.6)
XYZ	xyz(4.1515, 2.7559, 1.9821)
Luminance	0.0276 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511D24 #1D514A

analogous

#511D3E #511D24 #51301D

triadic

#511D24 #24511D #1D2451

tetradic

#511D24 #3E511D #1D514A #301D51

square

#511D24 #3E511D #1D514A #301D51

split-complementary

#511D24 #1D5130 #1D3E51

monochromatic

#17080A #240D10 #511D24 #7E2D38 #AB3D4C

Accessibility & contrast

On white

13.54

#511D24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#511D24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511D24

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511D24	#FFFFFF	#000000	##FFFFFF
##511D24	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292824

Deuteranopia (green-blind)

#363223

Tritanopia (blue-blind)

#591520

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511d24;
/* rgb */ color: rgb(81, 29, 36);
/* oklch */ color: oklch(31.2% 0.078 14.6);

Tailwind

colors: {
  custom: {
    50: '#855b5e',
    500: '#511d24',
    950: '#000000',
  },
}

SCSS

$custom: #511d24;
$custom-light: #855b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#511d24",
  "rgb": {
    "r": 81,
    "g": 29,
    "b": 36
  },
  "hsl": {
    "h": 351.923,
    "s": 47.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31178,
    "c": 0.07808,
    "h": 14.6
  },
  "luminance": 0.02755
}

Semantic roles & 50–950 ramp

primary

#511D24

secondary

#44867D

accent

#D7C551

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511D24

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

Preview Lab → · Contrast checker → · Palette generator →