#513F0F#513F0F

#513F0F is a dark, moderate orange. Relative luminance 0.053; OKLCH L 37.7% C 0.068 H 87.3°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#513F0F
RGB	rgb(81, 63, 15)
HSL	hsl(44, 69%, 19%)
HSV	hsv(44, 81%, 32%)
CMYK	cmyk(0%, 22.2%, 81.5%, 68.2%)
CIE-LAB	lab(27.68, 2.23, 30.73)
CIE-LCH	lch(27.68, 30.82, 85.85°)
OKLab	oklab(37.74% 0.0031 0.0678)
OKLCH	oklch(37.74% 0.068 87.3)
XYZ	xyz(5.2574, 5.3392, 1.2055)
Luminance	0.0534 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513F0F #0F2151

analogous

#511E0F #513F0F #42510F

triadic

#513F0F #0F513F #3F0F51

tetradic

#513F0F #0F511E #0F2151 #510F42

square

#513F0F #0F511E #0F2151 #510F42

split-complementary

#513F0F #0F4251 #1E0F51

monochromatic

#1A1405 #1D1705 #513F0F #856719 #B88F22

Accessibility & contrast

On white

10.16

#513F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#513F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513F0F

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513F0F	#FFFFFF	#000000	##FFFFFF
##513F0F	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F08

Deuteranopia (green-blind)

#4C4311

Tritanopia (blue-blind)

#583935

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #513f0f;
/* rgb */ color: rgb(81, 63, 15);
/* oklch */ color: oklch(37.7% 0.068 87.3);

Tailwind

colors: {
  custom: {
    50: '#857351',
    500: '#513f0f',
    950: '#000000',
  },
}

SCSS

$custom: #513f0f;
$custom-light: #857351;
$custom-dark: #000000;

JSON

{
  "hex": "#513f0f",
  "rgb": {
    "r": 81,
    "g": 63,
    "b": 15
  },
  "hsl": {
    "h": 43.636,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.37739,
    "c": 0.06786,
    "h": 87.3
  },
  "luminance": 0.05339
}

Semantic roles & 50–950 ramp

primary

#513F0F

secondary

#31498B

accent

#6CEC3C

background

#F8F6F4

surface

#F0ECE7

border

#CBC7C3

text

#0B0802

muted

#7C7B78

Preview Lab

Preview with #513F0F

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

Preview Lab → · Contrast checker → · Palette generator →