#56180B#56180B

#56180B is a dark, moderate red. Relative luminance 0.027; OKLCH L 30.9% C 0.095 H 33.6°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#56180B
RGB	rgb(86, 24, 11)
HSL	hsl(10, 77%, 19%)
HSV	hsv(10, 87%, 34%)
CMYK	cmyk(0%, 72.1%, 87.2%, 66.3%)
CIE-LAB	lab(18.61, 27.93, 23.41)
CIE-LCH	lch(18.61, 36.45, 39.97°)
OKLab	oklab(30.9% 0.0788 0.0522)
OKLCH	oklch(30.9% 0.095 33.6)
XYZ	xyz(4.2253, 2.6565, 0.6068)
Luminance	0.0266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#56180B #0B4956

analogous

#560B24 #56180B #563E0B

triadic

#56180B #0B5618 #180B56

tetradic

#56180B #24560B #0B4956 #3E0B56

square

#56180B #24560B #0B4956 #3E0B56

split-complementary

#56180B #0B563E #0B2456

monochromatic

#1B0803 #200904 #56180B #8C2712 #C33619

Accessibility & contrast

On white

13.71

#56180B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#56180B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #56180B

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##56180B	#FFFFFF	#000000	##FFFFFF
##56180B	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2509

Deuteranopia (green-blind)

#393208

Tritanopia (blue-blind)

#5F0616

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #56180b;
/* rgb */ color: rgb(86, 24, 11);
/* oklch */ color: oklch(30.9% 0.095 33.6);

Tailwind

colors: {
  custom: {
    50: '#8c594c',
    500: '#56180b',
    950: '#000000',
  },
}

SCSS

$custom: #56180b;
$custom-light: #8c594c;
$custom-dark: #000000;

JSON

{
  "hex": "#56180b",
  "rgb": {
    "r": 86,
    "g": 24,
    "b": 11
  },
  "hsl": {
    "h": 10.4,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.30902,
    "c": 0.0945,
    "h": 33.6
  },
  "luminance": 0.02656
}

Semantic roles & 50–950 ramp

primary

#56180B

secondary

#2B8091

accent

#D3F434

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0401

muted

#7E7977

Preview Lab

Preview with #56180B

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

Preview Lab → · Contrast checker → · Palette generator →