#56370B#56370B

#56370B is a dark, moderate orange. Relative luminance 0.047; OKLCH L 36.5% C 0.071 H 70.4°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#56370B
RGB	rgb(86, 55, 11)
HSL	hsl(35, 77%, 19%)
HSV	hsv(35, 87%, 34%)
CMYK	cmyk(0%, 36%, 87.2%, 66.3%)
CIE-LAB	lab(25.97, 9.70, 31.14)
CIE-LCH	lch(25.97, 32.61, 72.69°)
OKLab	oklab(36.54% 0.0239 0.0673)
OKLCH	oklch(36.54% 0.071 70.4)
XYZ	xyz(5.2648, 4.7355, 0.9533)
Luminance	0.0474 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#56370B #0B2A56

analogous

#56120B #56370B #50560B

triadic

#56370B #0B5637 #370B56

tetradic

#56370B #0B5612 #0B2A56 #560B50

square

#56370B #0B5612 #0B2A56 #560B50

split-complementary

#56370B #0B5056 #120B56

monochromatic

#1B1103 #201404 #56370B #8C5A12 #C37C19

Accessibility & contrast

On white

10.79

#56370B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#56370B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #56370B

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##56370B	#FFFFFF	#000000	##FFFFFF
##56370B	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423904

Deuteranopia (green-blind)

#49400C

Tritanopia (blue-blind)

#5F2F2F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #56370b;
/* rgb */ color: rgb(86, 55, 11);
/* oklch */ color: oklch(36.5% 0.071 70.4);

Tailwind

colors: {
  custom: {
    50: '#8a6d4e',
    500: '#56370b',
    950: '#000000',
  },
}

SCSS

$custom: #56370b;
$custom-light: #8a6d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#56370b",
  "rgb": {
    "r": 86,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 35.2,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.36535,
    "c": 0.07143,
    "h": 70.4
  },
  "luminance": 0.04735
}

Semantic roles & 50–950 ramp

primary

#56370B

secondary

#2B5691

accent

#83F434

background

#F8F6F4

surface

#F0EBE7

border

#CBC6C3

text

#0C0702

muted

#7D7A78

Preview Lab

Preview with #56370B

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

Preview Lab → · Contrast checker → · Palette generator →