#511A19#511A19

#511A19 is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.5% C 0.083 H 24.4°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#511A19
RGB	rgb(81, 26, 25)
HSL	hsl(1, 53%, 21%)
HSV	hsv(1, 69%, 32%)
CMYK	cmyk(0%, 67.9%, 69.1%, 68.2%)
CIE-LAB	lab(18.18, 25.68, 14.35)
CIE-LCH	lch(18.18, 29.42, 29.20°)
OKLab	oklab(30.45% 0.0756 0.0343)
OKLCH	oklch(30.45% 0.083 24.4)
XYZ	xyz(3.9386, 2.5588, 1.2060)
Luminance	0.0256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A19 #195051

analogous

#511934 #511A19 #513619

triadic

#511A19 #19511A #1A1951

tetradic

#511A19 #345119 #195051 #361951

square

#511A19 #345119 #195051 #361951

split-complementary

#511A19 #195136 #193451

monochromatic

#170807 #220B0B #511A19 #802927 #AF3836

Accessibility & contrast

On white

13.89

#511A19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#511A19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A19

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A19	#FFFFFF	#000000	##FFFFFF
##511A19	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282518

Deuteranopia (green-blind)

#363118

Tritanopia (blue-blind)

#590F1A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #511a19;
/* rgb */ color: rgb(81, 26, 25);
/* oklch */ color: oklch(30.5% 0.083 24.4);

Tailwind

colors: {
  custom: {
    50: '#865955',
    500: '#511a19',
    950: '#000000',
  },
}

SCSS

$custom: #511a19;
$custom-light: #865955;
$custom-dark: #000000;

JSON

{
  "hex": "#511a19",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 25
  },
  "hsl": {
    "h": 1.071,
    "s": 52.83,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30454,
    "c": 0.08295,
    "h": 24.4
  },
  "luminance": 0.02558
}

Semantic roles & 50–950 ramp

primary

#511A19

secondary

#3E8687

accent

#DADC4C

background

#F8F5F4

surface

#F0E9E8

border

#CBC5C4

text

#0C0403

muted

#7D7978

Preview Lab

Preview with #511A19

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

Preview Lab → · Contrast checker → · Palette generator →