#511C26#511C26

#511C26 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.080 H 11.5°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#511C26
RGB	rgb(81, 28, 38)
HSL	hsl(349, 49%, 21%)
HSV	hsv(349, 65%, 32%)
CMYK	cmyk(0%, 65.4%, 53.1%, 68.2%)
CIE-LAB	lab(18.89, 25.81, 6.18)
CIE-LCH	lch(18.89, 26.54, 13.47°)
OKLab	oklab(31.08% 0.0782 0.0159)
OKLCH	oklch(31.08% 0.08 11.5)
XYZ	xyz(4.1588, 2.7203, 2.1394)
Luminance	0.0272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C26 #1C5147

analogous

#511C41 #511C26 #512D1C

triadic

#511C26 #26511C #1C2651

tetradic

#511C26 #41511C #1C5147 #2D1C51

square

#511C26 #41511C #1C5147 #2D1C51

split-complementary

#511C26 #1C512D #1C4151

monochromatic

#17080B #240C11 #511C26 #7E2C3B #AC3B51

Accessibility & contrast

On white

13.60

#511C26 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#511C26 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C26

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C26	#FFFFFF	#000000	##FFFFFF
##511C26	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282726

Deuteranopia (green-blind)

#353225

Tritanopia (blue-blind)

#591420

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511c26;
/* rgb */ color: rgb(81, 28, 38);
/* oklch */ color: oklch(31.1% 0.080 11.5);

Tailwind

colors: {
  custom: {
    50: '#855b60',
    500: '#511c26',
    950: '#000000',
  },
}

SCSS

$custom: #511c26;
$custom-light: #855b60;
$custom-dark: #000000;

JSON

{
  "hex": "#511c26",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 38
  },
  "hsl": {
    "h": 348.679,
    "s": 48.624,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31082,
    "c": 0.07976,
    "h": 11.5
  },
  "luminance": 0.0272
}

Semantic roles & 50–950 ramp

primary

#511C26

secondary

#42877A

accent

#D8BE50

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511C26

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

Preview Lab → · Contrast checker → · Palette generator →