#511C25#511C25

#511C25 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.1% C 0.080 H 12.7°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#511C25
RGB	rgb(81, 28, 37)
HSL	hsl(350, 49%, 21%)
HSV	hsv(350, 65%, 32%)
CMYK	cmyk(0%, 65.4%, 54.3%, 68.2%)
CIE-LAB	lab(18.86, 25.71, 6.85)
CIE-LCH	lch(18.86, 26.60, 14.92°)
OKLab	oklab(31.05% 0.0777 0.0175)
OKLCH	oklch(31.05% 0.08 12.7)
XYZ	xyz(4.1428, 2.7139, 2.0556)
Luminance	0.0271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C25 #1C5148

analogous

#511C40 #511C25 #512E1C

triadic

#511C25 #25511C #1C2551

tetradic

#511C25 #40511C #1C5148 #2E1C51

square

#511C25 #40511C #1C5148 #2E1C51

split-complementary

#511C25 #1C512E #1C4051

monochromatic

#17080A #240C10 #511C25 #7E2C3A #AC3B4F

Accessibility & contrast

On white

13.61

#511C25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#511C25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C25

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C25	#FFFFFF	#000000	##FFFFFF
##511C25	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282725

Deuteranopia (green-blind)

#353224

Tritanopia (blue-blind)

#59141F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #511c25;
/* rgb */ color: rgb(81, 28, 37);
/* oklch */ color: oklch(31.1% 0.080 12.7);

Tailwind

colors: {
  custom: {
    50: '#855b5f',
    500: '#511c25',
    950: '#000000',
  },
}

SCSS

$custom: #511c25;
$custom-light: #855b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#511c25",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 37
  },
  "hsl": {
    "h": 349.811,
    "s": 48.624,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31053,
    "c": 0.07966,
    "h": 12.7
  },
  "luminance": 0.02713
}

Semantic roles & 50–950 ramp

primary

#511C25

secondary

#42877B

accent

#D8C150

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0404

muted

#7C7979

Preview Lab

Preview with #511C25

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

Preview Lab → · Contrast checker → · Palette generator →