#501B0D#501B0D

#501B0D is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.2% C 0.083 H 35.7°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#501B0D
RGB	rgb(80, 27, 13)
HSL	hsl(13, 72%, 18%)
HSV	hsv(13, 84%, 31%)
CMYK	cmyk(0%, 66.3%, 83.7%, 68.6%)
CIE-LAB	lab(18.00, 24.00, 21.48)
CIE-LCH	lch(18.00, 32.21, 41.84°)
OKLab	oklab(30.22% 0.0677 0.0486)
OKLCH	oklch(30.22% 0.083 35.7)
XYZ	xyz(3.7732, 2.5189, 0.6682)
Luminance	0.0252 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#501B0D #0D4250

analogous

#500D20 #501B0D #503C0D

triadic

#501B0D #0D501B #1B0D50

tetradic

#501B0D #20500D #0D4250 #3C0D50

square

#501B0D #20500D #0D4250 #3C0D50

split-complementary

#501B0D #0D503C #0D2050

monochromatic

#1A0904 #1B0904 #501B0D #852D16 #B93F1E

Accessibility & contrast

On white

13.97

#501B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#501B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #501B0D

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##501B0D	#FFFFFF	#000000	##FFFFFF
##501B0D	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250B

Deuteranopia (green-blind)

#37300B

Tritanopia (blue-blind)

#590E18

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #501b0d;
/* rgb */ color: rgb(80, 27, 13);
/* oklch */ color: oklch(30.2% 0.083 35.7);

Tailwind

colors: {
  custom: {
    50: '#875a4d',
    500: '#501b0d',
    950: '#000000',
  },
}

SCSS

$custom: #501b0d;
$custom-light: #875a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#501b0d",
  "rgb": {
    "r": 80,
    "g": 27,
    "b": 13
  },
  "hsl": {
    "h": 12.537,
    "s": 72.043,
    "l": 18.235
  },
  "oklch": {
    "l": 0.30223,
    "c": 0.08337,
    "h": 35.7
  },
  "luminance": 0.02518
}

Semantic roles & 50–950 ramp

primary

#501B0D

secondary

#2E788B

accent

#C9EF39

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #501B0D

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

Preview Lab → · Contrast checker → · Palette generator →