#511F19#511F19

#511F19 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.2% C 0.077 H 29.1°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#511F19
RGB	rgb(81, 31, 25)
HSL	hsl(6, 53%, 21%)
HSV	hsv(6, 69%, 32%)
CMYK	cmyk(0%, 61.7%, 69.1%, 68.2%)
CIE-LAB	lab(19.22, 22.94, 15.66)
CIE-LCH	lch(19.22, 27.78, 34.32°)
OKLab	oklab(31.24% 0.067 0.0372)
OKLCH	oklch(31.24% 0.077 29.1)
XYZ	xyz(4.0592, 2.8000, 1.2462)
Luminance	0.0280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F19 #194B51

analogous

#51192F #511F19 #513B19

triadic

#511F19 #19511F #1F1951

tetradic

#511F19 #2F5119 #194B51 #3B1951

square

#511F19 #2F5119 #194B51 #3B1951

split-complementary

#511F19 #19513B #192F51

monochromatic

#170907 #220D0B #511F19 #803127 #AF4336

Accessibility & contrast

On white

13.46

#511F19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511F19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F19

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F19	#FFFFFF	#000000	##FFFFFF
##511F19	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2818

Deuteranopia (green-blind)

#383318

Tritanopia (blue-blind)

#59151E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511f19;
/* rgb */ color: rgb(81, 31, 25);
/* oklch */ color: oklch(31.2% 0.077 29.1);

Tailwind

colors: {
  custom: {
    50: '#865c55',
    500: '#511f19',
    950: '#000000',
  },
}

SCSS

$custom: #511f19;
$custom-light: #865c55;
$custom-dark: #000000;

JSON

{
  "hex": "#511f19",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 25
  },
  "hsl": {
    "h": 6.429,
    "s": 52.83,
    "l": 20.784
  },
  "oklch": {
    "l": 0.3124,
    "c": 0.07659,
    "h": 29.1
  },
  "luminance": 0.02799
}

Semantic roles & 50–950 ramp

primary

#511F19

secondary

#3E8087

accent

#CDDC4C

background

#F8F5F4

surface

#F0E9E8

border

#CBC5C4

text

#0C0403

muted

#7D7978

Preview Lab

Preview with #511F19

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

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