#51310E#51310E

#51310E is a dark, moderate orange. Relative luminance 0.040; OKLCH L 34.5% C 0.067 H 64.2°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#51310E
RGB	rgb(81, 49, 14)
HSL	hsl(31, 71%, 19%)
HSV	hsv(31, 83%, 32%)
CMYK	cmyk(0%, 39.5%, 82.7%, 68.2%)
CIE-LAB	lab(23.60, 11.15, 27.21)
CIE-LCH	lch(23.60, 29.40, 67.72°)
OKLab	oklab(34.55% 0.029 0.06)
OKLCH	oklch(34.55% 0.067 64.2)
XYZ	xyz(4.5713, 3.9781, 0.9425)
Luminance	0.0398 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51310E #0E2E51

analogous

#510F0E #51310E #4F510E

triadic

#51310E #0E5131 #310E51

tetradic

#51310E #0E510F #0E2E51 #510E4F

square

#51310E #0E510F #0E2E51 #510E4F

split-complementary

#51310E #0E4F51 #0F0E51

monochromatic

#1A1005 #1D1105 #51310E #855117 #B97020

Accessibility & contrast

On white

11.70

#51310E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#51310E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51310E

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51310E	#FFFFFF	#000000	##FFFFFF
##51310E	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3409

Deuteranopia (green-blind)

#433B0F

Tritanopia (blue-blind)

#592A2A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #51310e;
/* rgb */ color: rgb(81, 49, 14);
/* oklch */ color: oklch(34.5% 0.067 64.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51310e",
  "rgb": {
    "r": 81,
    "g": 49,
    "b": 14
  },
  "hsl": {
    "h": 31.343,
    "s": 70.526,
    "l": 18.627
  },
  "oklch": {
    "l": 0.34547,
    "c": 0.06666,
    "h": 64.2
  },
  "luminance": 0.03978
}

Semantic roles & 50–950 ramp

primary

#51310E

secondary

#2F5B8C

accent

#90ED3A

background

#F8F6F4

surface

#F0EBE7

border

#CBC6C3

text

#0C0602

muted

#7D7A78

Preview Lab

Preview with #51310E

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

Preview Lab → · Contrast checker → · Palette generator →