#511519#511519

#511519 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.8% C 0.089 H 20.7°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#511519
RGB	rgb(81, 21, 25)
HSL	hsl(356, 59%, 20%)
HSV	hsv(356, 74%, 32%)
CMYK	cmyk(0%, 74.1%, 69.1%, 68.2%)
CIE-LAB	lab(17.26, 28.18, 13.18)
CIE-LCH	lch(17.26, 31.11, 25.06°)
OKLab	oklab(29.76% 0.0835 0.0316)
OKLCH	oklch(29.76% 0.089 20.7)
XYZ	xyz(3.8374, 2.3564, 1.1723)
Luminance	0.0236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511519 #15514D

analogous

#511537 #511519 #512F15

triadic

#511519 #195115 #151951

tetradic

#511519 #375115 #15514D #2F1551

square

#511519 #375115 #15514D #2F1551

split-complementary

#511519 #15512F #153751

monochromatic

#180607 #20080A #511519 #822228 #B22E37

Accessibility & contrast

On white

14.27

#511519 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#511519 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511519

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511519	#FFFFFF	#000000	##FFFFFF
##511519	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252219

Deuteranopia (green-blind)

#342F17

Tritanopia (blue-blind)

#590617

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #511519;
/* rgb */ color: rgb(81, 21, 25);
/* oklch */ color: oklch(29.8% 0.089 20.7);

Tailwind

colors: {
  custom: {
    50: '#875755',
    500: '#511519',
    950: '#000000',
  },
}

SCSS

$custom: #511519;
$custom-light: #875755;
$custom-dark: #000000;

JSON

{
  "hex": "#511519",
  "rgb": {
    "r": 81,
    "g": 21,
    "b": 25
  },
  "hsl": {
    "h": 356,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.2976,
    "c": 0.08923,
    "h": 20.7
  },
  "luminance": 0.02356
}

Semantic roles & 50–950 ramp

primary

#511519

secondary

#398983

accent

#E2D846

background

#F8F5F4

surface

#F0E9E8

border

#CBC5C4

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #511519

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

Preview Lab → · Contrast checker → · Palette generator →