#51310C#51310C

#51310C is a dark, moderate orange. Relative luminance 0.040; OKLCH L 34.5% C 0.068 H 65.3°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#51310C
RGB	rgb(81, 49, 12)
HSL	hsl(32, 74%, 18%)
HSV	hsv(32, 85%, 32%)
CMYK	cmyk(0%, 39.5%, 85.2%, 68.2%)
CIE-LAB	lab(23.58, 11.05, 28.15)
CIE-LCH	lch(23.58, 30.24, 68.57°)
OKLab	oklab(34.53% 0.0284 0.0616)
OKLCH	oklch(34.53% 0.068 65.3)
XYZ	xyz(4.5584, 3.9729, 0.8745)
Luminance	0.0397 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51310C #0C2C51

analogous

#510E0C #51310C #4E510C

triadic

#51310C #0C5131 #310C51

tetradic

#51310C #0C510E #0C2C51 #510C4E

square

#51310C #0C510E #0C2C51 #510C4E

split-complementary

#51310C #0C4E51 #0E0C51

monochromatic

#1B1004 #1C1104 #51310C #865114 #BC711C

Accessibility & contrast

On white

11.70

#51310C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#51310C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51310C

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51310C	#FFFFFF	#000000	##FFFFFF
##51310C	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3407

Deuteranopia (green-blind)

#433B0D

Tritanopia (blue-blind)

#592A2A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #51310c;
/* rgb */ color: rgb(81, 49, 12);
/* oklch */ color: oklch(34.5% 0.068 65.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51310c",
  "rgb": {
    "r": 81,
    "g": 49,
    "b": 12
  },
  "hsl": {
    "h": 32.174,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.34529,
    "c": 0.06781,
    "h": 65.3
  },
  "luminance": 0.03973
}

Semantic roles & 50–950 ramp

primary

#51310C

secondary

#2C598C

accent

#8DF137

background

#F8F6F4

surface

#F0EBE7

border

#CBC6C3

text

#0C0601

muted

#7D7A77

Preview Lab

Preview with #51310C

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

Preview Lab → · Contrast checker → · Palette generator →