#51372C#51372C

#51372C is a dark, muted orange. Relative luminance 0.047; OKLCH L 36.4% C 0.042 H 43.8°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#51372C
RGB	rgb(81, 55, 44)
HSL	hsl(18, 30%, 25%)
HSV	hsv(18, 46%, 32%)
CMYK	cmyk(0%, 32.1%, 45.7%, 68.2%)
CIE-LAB	lab(25.75, 10.01, 11.53)
CIE-LCH	lch(25.75, 15.27, 49.04°)
OKLab	oklab(36.37% 0.0302 0.029)
OKLCH	oklch(36.37% 0.042 43.8)
XYZ	xyz(5.2144, 4.6639, 3.0080)
Luminance	0.0466 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51372C #2C4651

analogous

#512C34 #51372C #514A2C

triadic

#51372C #2C5137 #372C51

tetradic

#51372C #34512C #2C4651 #4A2C51

square

#51372C #34512C #2C4651 #4A2C51

split-complementary

#51372C #2C514A #2C3451

monochromatic

#140D0B #291C16 #51372C #795242 #A06D57

Accessibility & contrast

On white

10.87

#51372C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#51372C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51372C

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51372C	#FFFFFF	#000000	##FFFFFF
##51372C	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3A2B

Deuteranopia (green-blind)

#443F2C

Tritanopia (blue-blind)

#573334

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #51372c;
/* rgb */ color: rgb(81, 55, 44);
/* oklch */ color: oklch(36.4% 0.042 43.8);

Tailwind

colors: {
  custom: {
    50: '#836e65',
    500: '#51372c',
    950: '#000000',
  },
}

SCSS

$custom: #51372c;
$custom-light: #836e65;
$custom-dark: #000000;

JSON

{
  "hex": "#51372c",
  "rgb": {
    "r": 81,
    "g": 55,
    "b": 44
  },
  "hsl": {
    "h": 17.838,
    "s": 29.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.36372,
    "c": 0.0418,
    "h": 43.8
  },
  "luminance": 0.04664
}

Semantic roles & 50–950 ramp

primary

#51372C

secondary

#567683

accent

#A8C662

background

#F8F6F6

surface

#EFEBEB

border

#CAC6C6

text

#0B0705

muted

#7C7A7A

Preview Lab

Preview with #51372C

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

Preview Lab → · Contrast checker → · Palette generator →