#51210C#51210C

#51210C is a dark, moderate orange. Relative luminance 0.029; OKLCH L 31.4% C 0.079 H 42.3°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#51210C
RGB	rgb(81, 33, 12)
HSL	hsl(18, 74%, 18%)
HSV	hsv(18, 85%, 32%)
CMYK	cmyk(0%, 59.3%, 85.2%, 68.2%)
CIE-LAB	lab(19.49, 21.00, 23.74)
CIE-LCH	lch(19.49, 31.69, 48.51°)
OKLab	oklab(31.38% 0.0582 0.053)
OKLCH	oklch(31.38% 0.079 42.3)
XYZ	xyz(4.0040, 2.8641, 0.6897)
Luminance	0.0286 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51210C #0C3C51

analogous

#510C19 #51210C #51430C

triadic

#51210C #0C5121 #210C51

tetradic

#51210C #19510C #0C3C51 #430C51

square

#51210C #19510C #0C3C51 #430C51

split-complementary

#51210C #0C5143 #0C1951

monochromatic

#1B0B04 #1C0B04 #51210C #863714 #BC4C1C

Accessibility & contrast

On white

13.35

#51210C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#51210C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51210C

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51210C	#FFFFFF	#000000	##FFFFFF
##51210C	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2909

Deuteranopia (green-blind)

#3A330B

Tritanopia (blue-blind)

#5A161D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #51210c;
/* rgb */ color: rgb(81, 33, 12);
/* oklch */ color: oklch(31.4% 0.079 42.3);

Tailwind

colors: {
  custom: {
    50: '#875d4c',
    500: '#51210c',
    950: '#000000',
  },
}

SCSS

$custom: #51210c;
$custom-light: #875d4c;
$custom-dark: #000000;

JSON

{
  "hex": "#51210c",
  "rgb": {
    "r": 81,
    "g": 33,
    "b": 12
  },
  "hsl": {
    "h": 18.261,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.31384,
    "c": 0.07867,
    "h": 42.3
  },
  "luminance": 0.02864
}

Semantic roles & 50–950 ramp

primary

#51210C

secondary

#2C6F8C

accent

#B8F137

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0401

muted

#7D7977

Preview Lab

Preview with #51210C

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

Preview Lab → · Contrast checker → · Palette generator →