#51310F#51310F

#51310F is a dark, moderate orange. Relative luminance 0.040; OKLCH L 34.6% C 0.066 H 63.7°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#51310F
RGB	rgb(81, 49, 15)
HSL	hsl(31, 69%, 19%)
HSV	hsv(31, 81%, 32%)
CMYK	cmyk(0%, 39.5%, 81.5%, 68.2%)
CIE-LAB	lab(23.61, 11.20, 26.70)
CIE-LCH	lch(23.61, 28.95, 67.25°)
OKLab	oklab(34.56% 0.0293 0.0592)
OKLCH	oklch(34.56% 0.066 63.7)
XYZ	xyz(4.5782, 3.9809, 0.9791)
Luminance	0.0398 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51310F #0F2F51

analogous

#51100F #51310F #50510F

triadic

#51310F #0F5131 #310F51

tetradic

#51310F #0F5110 #0F2F51 #510F50

square

#51310F #0F5110 #0F2F51 #510F50

split-complementary

#51310F #0F5051 #100F51

monochromatic

#1A1005 #1D1205 #51310F #855019 #B86F22

Accessibility & contrast

On white

11.69

#51310F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#51310F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51310F

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51310F	#FFFFFF	#000000	##FFFFFF
##51310F	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B340B

Deuteranopia (green-blind)

#433B0F

Tritanopia (blue-blind)

#592A2A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #51310f;
/* rgb */ color: rgb(81, 49, 15);
/* oklch */ color: oklch(34.6% 0.066 63.7);

Tailwind

colors: {
  custom: {
    50: '#86694f',
    500: '#51310f',
    950: '#000000',
  },
}

SCSS

$custom: #51310f;
$custom-light: #86694f;
$custom-dark: #000000;

JSON

{
  "hex": "#51310f",
  "rgb": {
    "r": 81,
    "g": 49,
    "b": 15
  },
  "hsl": {
    "h": 30.909,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.34557,
    "c": 0.06605,
    "h": 63.7
  },
  "luminance": 0.0398
}

Semantic roles & 50–950 ramp

primary

#51310F

secondary

#315D8B

accent

#91EC3C

background

#F8F6F4

surface

#F0EBE7

border

#CBC6C3

text

#0C0602

muted

#7D7A78

Preview Lab

Preview with #51310F

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

Preview Lab → · Contrast checker → · Palette generator →