#280B00#280B00

#280B00 is a very dark, muted orange. Relative luminance 0.007; OKLCH L 19.6% C 0.055 H 46.3°. Best body text is #FFFFFF at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#280B00
RGB	rgb(40, 11, 0)
HSL	hsl(17, 100%, 8%)
HSV	hsv(17, 100%, 16%)
CMYK	cmyk(0%, 72.5%, 100%, 84.3%)
CIE-LAB	lab(6.24, 13.52, 9.60)
CIE-LCH	lch(6.24, 16.58, 35.37°)
OKLab	oklab(19.57% 0.0378 0.0396)
OKLCH	oklch(19.57% 0.055 46.3)
XYZ	xyz(0.9949, 0.6906, 0.0809)
Luminance	0.0069 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B00 #001D28

analogous

#280009 #280B00 #281F00

triadic

#280B00 #00280B #0B0028

tetradic

#280B00 #092800 #001D28 #1F0028

square

#280B00 #092800 #001D28 #1F0028

split-complementary

#280B00 #00281F #000928

monochromatic

#1F0800 #1F0800 #280B00 #651C00 #A22D00

Accessibility & contrast

On white

18.45

#280B00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#280B00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B00

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B00	#FFFFFF	#000000	##FFFFFF
##280B00	1.00	18.45	1.14	18.45
#FFFFFF	18.45	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141000

Deuteranopia (green-blind)

#1B1600

Tritanopia (blue-blind)

#2D0508

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #280b00;
/* rgb */ color: rgb(40, 11, 0);
/* oklch */ color: oklch(19.6% 0.055 46.3);

Tailwind

colors: {
  custom: {
    50: '#634b47',
    500: '#280b00',
    950: '#000000',
  },
}

SCSS

$custom: #280b00;
$custom-light: #634b47;
$custom-dark: #000000;

JSON

{
  "hex": "#280b00",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 0
  },
  "hsl": {
    "h": 16.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.19574,
    "c": 0.05474,
    "h": 46.3
  },
  "luminance": 0.0069
}

Semantic roles & 50–950 ramp

primary

#280B00

secondary

#145770

accent

#C4FF29

background

#F6F4F3

surface

#EBE7E5

border

#C6C3C1

text

#060100

muted

#7A7777

Preview Lab

Preview with #280B00

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

Preview Lab → · Contrast checker → · Palette generator →