#511A25#511A25

#511A25 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.8% C 0.083 H 11.2°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#511A25
RGB	rgb(81, 26, 37)
HSL	hsl(348, 51%, 21%)
HSV	hsv(348, 68%, 32%)
CMYK	cmyk(0%, 67.9%, 54.3%, 68.2%)
CIE-LAB	lab(18.46, 26.77, 6.30)
CIE-LCH	lch(18.46, 27.50, 13.24°)
OKLab	oklab(30.76% 0.0811 0.0161)
OKLCH	oklch(30.76% 0.083 11.2)
XYZ	xyz(4.0970, 2.6222, 2.0403)
Luminance	0.0262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A25 #1A5146

analogous

#511A40 #511A25 #512A1A

triadic

#511A25 #25511A #1A2551

tetradic

#511A25 #40511A #1A5146 #2A1A51

square

#511A25 #40511A #1A5146 #2A1A51

split-complementary

#511A25 #1A512A #1A4051

monochromatic

#17070B #230B10 #511A25 #7F293A #AE384F

Accessibility & contrast

On white

13.78

#511A25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#511A25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A25

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A25	#FFFFFF	#000000	##FFFFFF
##511A25	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262625

Deuteranopia (green-blind)

#343124

Tritanopia (blue-blind)

#59121E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #511a25;
/* rgb */ color: rgb(81, 26, 37);
/* oklch */ color: oklch(30.8% 0.083 11.2);

Tailwind

colors: {
  custom: {
    50: '#855a5f',
    500: '#511a25',
    950: '#000000',
  },
}

SCSS

$custom: #511a25;
$custom-light: #855a5f;
$custom-dark: #000000;

JSON

{
  "hex": "#511a25",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 37
  },
  "hsl": {
    "h": 348,
    "s": 51.402,
    "l": 20.98
  },
  "oklch": {
    "l": 0.30755,
    "c": 0.08266,
    "h": 11.2
  },
  "luminance": 0.02622
}

Semantic roles & 50–950 ramp

primary

#511A25

secondary

#408779

accent

#DBBE4D

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511A25

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

Preview Lab → · Contrast checker → · Palette generator →