#51370F#51370F

#51370F is a dark, moderate orange. Relative luminance 0.045; OKLCH L 35.9% C 0.065 H 74.1°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#51370F
RGB	rgb(81, 55, 15)
HSL	hsl(36, 69%, 19%)
HSV	hsv(36, 81%, 32%)
CMYK	cmyk(0%, 32.1%, 81.5%, 68.2%)
CIE-LAB	lab(25.31, 7.34, 28.41)
CIE-LCH	lch(25.31, 29.34, 75.51°)
OKLab	oklab(35.88% 0.018 0.0628)
OKLCH	oklch(35.88% 0.065 74.1)
XYZ	xyz(4.8461, 4.5166, 1.0684)
Luminance	0.0452 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51370F #0F2951

analogous

#51160F #51370F #4A510F

triadic

#51370F #0F5137 #370F51

tetradic

#51370F #0F5116 #0F2951 #510F4A

square

#51370F #0F5116 #0F2951 #510F4A

split-complementary

#51370F #0F4A51 #160F51

monochromatic

#1A1205 #1D1405 #51370F #855A19 #B87D22

Accessibility & contrast

On white

11.03

#51370F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#51370F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51370F

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51370F	#FFFFFF	#000000	##FFFFFF
##51370F	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403809

Deuteranopia (green-blind)

#463F10

Tritanopia (blue-blind)

#59302F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #51370f;
/* rgb */ color: rgb(81, 55, 15);
/* oklch */ color: oklch(35.9% 0.065 74.1);

Tailwind

colors: {
  custom: {
    50: '#856d50',
    500: '#51370f',
    950: '#000000',
  },
}

SCSS

$custom: #51370f;
$custom-light: #856d50;
$custom-dark: #000000;

JSON

{
  "hex": "#51370f",
  "rgb": {
    "r": 81,
    "g": 55,
    "b": 15
  },
  "hsl": {
    "h": 36.364,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.35882,
    "c": 0.06535,
    "h": 74.1
  },
  "luminance": 0.04516
}

Semantic roles & 50–950 ramp

primary

#51370F

secondary

#31548B

accent

#81EC3C

background

#F8F6F4

surface

#F0EBE7

border

#CBC6C3

text

#0B0702

muted

#7C7A78

Preview Lab

Preview with #51370F

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

Preview Lab → · Contrast checker → · Palette generator →