#511F13#511F13

#511F13 is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.1% C 0.078 H 34.8°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#511F13
RGB	rgb(81, 31, 19)
HSL	hsl(12, 62%, 20%)
HSV	hsv(12, 77%, 32%)
CMYK	cmyk(0%, 61.7%, 76.5%, 68.2%)
CIE-LAB	lab(19.13, 22.53, 19.52)
CIE-LCH	lch(19.13, 29.80, 40.90°)
OKLab	oklab(31.14% 0.0644 0.0447)
OKLCH	oklch(31.14% 0.078 34.8)
XYZ	xyz(4.0013, 2.7768, 0.9412)
Luminance	0.0278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F13 #134551

analogous

#511326 #511F13 #513E13

triadic

#511F13 #13511F #1F1351

tetradic

#511F13 #265113 #134551 #3E1351

square

#511F13 #265113 #134551 #3E1351

split-complementary

#511F13 #13513E #132651

monochromatic

#190906 #1F0C07 #511F13 #83321F #B4452A

Accessibility & contrast

On white

13.50

#511F13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#511F13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F13

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F13	#FFFFFF	#000000	##FFFFFF
##511F13	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2812

Deuteranopia (green-blind)

#393312

Tritanopia (blue-blind)

#5A151C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511f13;
/* rgb */ color: rgb(81, 31, 19);
/* oklch */ color: oklch(31.1% 0.078 34.8);

Tailwind

colors: {
  custom: {
    50: '#875c51',
    500: '#511f13',
    950: '#000000',
  },
}

SCSS

$custom: #511f13;
$custom-light: #875c51;
$custom-dark: #000000;

JSON

{
  "hex": "#511f13",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 19
  },
  "hsl": {
    "h": 11.613,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.31135,
    "c": 0.07836,
    "h": 34.8
  },
  "luminance": 0.02776
}

Semantic roles & 50–950 ramp

primary

#511F13

secondary

#36798A

accent

#C6E543

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511F13

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

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