#511A15#511A15

#511A15 is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.4% C 0.084 H 28.2°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#511A15
RGB	rgb(81, 26, 21)
HSL	hsl(5, 59%, 20%)
HSV	hsv(5, 74%, 32%)
CMYK	cmyk(0%, 67.9%, 74.1%, 68.2%)
CIE-LAB	lab(18.11, 25.40, 17.00)
CIE-LCH	lch(18.11, 30.57, 33.79°)
OKLab	oklab(30.38% 0.0738 0.0396)
OKLCH	oklch(30.38% 0.084 28.2)
XYZ	xyz(3.8985, 2.5428, 0.9948)
Luminance	0.0254 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511A15 #154C51

analogous

#51152E #511A15 #513815

triadic

#511A15 #15511A #1A1551

tetradic

#511A15 #2E5115 #154C51 #381551

square

#511A15 #2E5115 #154C51 #381551

split-complementary

#511A15 #155138 #152E51

monochromatic

#180806 #200A08 #511A15 #822A22 #B2392E

Accessibility & contrast

On white

13.92

#511A15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#511A15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511A15

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511A15	#FFFFFF	#000000	##FFFFFF
##511A15	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292514

Deuteranopia (green-blind)

#363113

Tritanopia (blue-blind)

#5A0E19

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #511a15;
/* rgb */ color: rgb(81, 26, 21);
/* oklch */ color: oklch(30.4% 0.084 28.2);

Tailwind

colors: {
  custom: {
    50: '#875952',
    500: '#511a15',
    950: '#000000',
  },
}

SCSS

$custom: #511a15;
$custom-light: #875952;
$custom-dark: #000000;

JSON

{
  "hex": "#511a15",
  "rgb": {
    "r": 81,
    "g": 26,
    "b": 21
  },
  "hsl": {
    "h": 5,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.30378,
    "c": 0.08371,
    "h": 28.2
  },
  "luminance": 0.02542
}

Semantic roles & 50–950 ramp

primary

#511A15

secondary

#398289

accent

#D5E246

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0402

muted

#7D7978

Preview Lab

Preview with #511A15

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

Preview Lab → · Contrast checker → · Palette generator →