#51371C#51371C

#51371C is a dark, muted orange. Relative luminance 0.046; OKLCH L 36.0% C 0.055 H 65.5°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#51371C
RGB	rgb(81, 55, 28)
HSL	hsl(31, 49%, 21%)
HSV	hsv(31, 65%, 32%)
CMYK	cmyk(0%, 32.1%, 65.4%, 68.2%)
CIE-LAB	lab(25.46, 8.26, 21.32)
CIE-LCH	lch(25.46, 22.86, 68.83°)
OKLab	oklab(36.05% 0.0228 0.0501)
OKLCH	oklch(36.05% 0.055 65.5)
XYZ	xyz(4.9694, 4.5659, 1.7180)
Luminance	0.0457 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51371C #1C3651

analogous

#511D1C #51371C #51511C

triadic

#51371C #1C5137 #371C51

tetradic

#51371C #1C511D #1C3651 #511C51

square

#51371C #1C511D #1C3651 #511C51

split-complementary

#51371C #1C5151 #1D1C51

monochromatic

#170F08 #24180C #51371C #7E562C #AC753B

Accessibility & contrast

On white

10.98

#51371C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#51371C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51371C

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51371C	#FFFFFF	#000000	##FFFFFF
##51371C	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F391A

Deuteranopia (green-blind)

#463F1C

Tritanopia (blue-blind)

#583131

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #51371c;
/* rgb */ color: rgb(81, 55, 28);
/* oklch */ color: oklch(36.0% 0.055 65.5);

Tailwind

colors: {
  custom: {
    50: '#846d59',
    500: '#51371c',
    950: '#000000',
  },
}

SCSS

$custom: #51371c;
$custom-light: #846d59;
$custom-dark: #000000;

JSON

{
  "hex": "#51371c",
  "rgb": {
    "r": 81,
    "g": 55,
    "b": 28
  },
  "hsl": {
    "h": 30.566,
    "s": 48.624,
    "l": 21.373
  },
  "oklch": {
    "l": 0.36047,
    "c": 0.05503,
    "h": 65.5
  },
  "luminance": 0.04566
}

Semantic roles & 50–950 ramp

primary

#51371C

secondary

#426487

accent

#93D850

background

#F8F6F5

surface

#EFEBE9

border

#CAC6C5

text

#0B0703

muted

#7C7A78

Preview Lab

Preview with #51371C

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

Preview Lab → · Contrast checker → · Palette generator →