#51391C#51391C

#51391C is a dark, muted orange. Relative luminance 0.048; OKLCH L 36.5% C 0.055 H 69.8°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#51391C
RGB	rgb(81, 57, 28)
HSL	hsl(33, 49%, 21%)
HSV	hsv(33, 65%, 32%)
CMYK	cmyk(0%, 29.6%, 65.4%, 68.2%)
CIE-LAB	lab(26.04, 6.97, 22.01)
CIE-LCH	lch(26.04, 23.08, 72.43°)
OKLab	oklab(36.5% 0.019 0.0516)
OKLCH	oklch(36.5% 0.055 69.8)
XYZ	xyz(5.0664, 4.7598, 1.7503)
Luminance	0.0476 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51391C #1C3451

analogous

#511F1C #51391C #4F511C

triadic

#51391C #1C5139 #391C51

tetradic

#51391C #1C511F #1C3451 #511C4F

square

#51391C #1C511F #1C3451 #511C4F

split-complementary

#51391C #1C4F51 #1F1C51

monochromatic

#171008 #24190C #51391C #7E592C #AC793B

Accessibility & contrast

On white

10.76

#51391C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#51391C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51391C

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51391C	#FFFFFF	#000000	##FFFFFF
##51391C	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A19

Deuteranopia (green-blind)

#47401D

Tritanopia (blue-blind)

#583332

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #51391c;
/* rgb */ color: rgb(81, 57, 28);
/* oklch */ color: oklch(36.5% 0.055 69.8);

Tailwind

colors: {
  custom: {
    50: '#846f59',
    500: '#51391c',
    950: '#000000',
  },
}

SCSS

$custom: #51391c;
$custom-light: #846f59;
$custom-dark: #000000;

JSON

{
  "hex": "#51391c",
  "rgb": {
    "r": 81,
    "g": 57,
    "b": 28
  },
  "hsl": {
    "h": 32.83,
    "s": 48.624,
    "l": 21.373
  },
  "oklch": {
    "l": 0.36498,
    "c": 0.05496,
    "h": 69.8
  },
  "luminance": 0.04759
}

Semantic roles & 50–950 ramp

primary

#51391C

secondary

#426187

accent

#8DD850

background

#F8F6F5

surface

#EFECE9

border

#CAC7C5

text

#0B0703

muted

#7C7A78

Preview Lab

Preview with #51391C

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

Preview Lab → · Contrast checker → · Palette generator →