#51381D#51381D

#51381D is a dark, muted orange. Relative luminance 0.047; OKLCH L 36.3% C 0.054 H 66.8°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#51381D
RGB	rgb(81, 56, 29)
HSL	hsl(31, 47%, 22%)
HSV	hsv(31, 64%, 32%)
CMYK	cmyk(0%, 30.9%, 64.2%, 68.2%)
CIE-LAB	lab(25.76, 7.70, 21.08)
CIE-LCH	lch(25.76, 22.44, 69.93°)
OKLab	oklab(36.29% 0.0213 0.0497)
OKLCH	oklch(36.29% 0.054 66.8)
XYZ	xyz(5.0296, 4.6668, 1.7980)
Luminance	0.0467 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51381D #1D3651

analogous

#511E1D #51381D #50511D

triadic

#51381D #1D5138 #381D51

tetradic

#51381D #1D511E #1D3651 #511D50

square

#51381D #1D511E #1D3651 #511D50

split-complementary

#51381D #1D5051 #1E1D51

monochromatic

#171008 #24190D #51381D #7E572D #AB763D

Accessibility & contrast

On white

10.86

#51381D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#51381D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51381D

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51381D	#FFFFFF	#000000	##FFFFFF
##51381D	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403A1B

Deuteranopia (green-blind)

#463F1D

Tritanopia (blue-blind)

#583232

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #51381d;
/* rgb */ color: rgb(81, 56, 29);
/* oklch */ color: oklch(36.3% 0.054 66.8);

Tailwind

colors: {
  custom: {
    50: '#846e59',
    500: '#51381d',
    950: '#000000',
  },
}

SCSS

$custom: #51381d;
$custom-light: #846e59;
$custom-dark: #000000;

JSON

{
  "hex": "#51381d",
  "rgb": {
    "r": 81,
    "g": 56,
    "b": 29
  },
  "hsl": {
    "h": 31.154,
    "s": 47.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.36288,
    "c": 0.05405,
    "h": 66.8
  },
  "luminance": 0.04666
}

Semantic roles & 50–950 ramp

primary

#51381D

secondary

#446486

accent

#91D751

background

#F8F6F5

surface

#EFEBE9

border

#CAC6C5

text

#0B0703

muted

#7C7A78

Preview Lab

Preview with #51381D

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

Preview Lab → · Contrast checker → · Palette generator →