#280009#280009

#280009 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 17.7% C 0.071 H 11.0°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#280009
RGB	rgb(40, 0, 9)
HSL	hsl(347, 100%, 8%)
HSV	hsv(347, 100%, 16%)
CMYK	cmyk(0%, 100%, 77.5%, 84.3%)
CIE-LAB	lab(4.25, 19.43, 3.04)
CIE-LCH	lch(4.25, 19.66, 8.88°)
OKLab	oklab(17.68% 0.0694 0.0134)
OKLCH	oklch(17.68% 0.071 11)
XYZ	xyz(0.9245, 0.4710, 0.3006)
Luminance	0.0047 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280009 #00281F

analogous

#28001D #280009 #280B00

triadic

#280009 #092800 #000928

tetradic

#280009 #1D2800 #00281F #0B0028

square

#280009 #1D2800 #00281F #0B0028

split-complementary

#280009 #00280B #001D28

monochromatic

#1F0007 #1F0007 #280009 #650017 #A20025

Accessibility & contrast

On white

19.19

#280009 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#280009 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280009

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280009	#FFFFFF	#000000	##FFFFFF
##280009	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#090909

Deuteranopia (green-blind)

#141208

Tritanopia (blue-blind)

#2D0003

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #280009;
/* rgb */ color: rgb(40, 0, 9);
/* oklch */ color: oklch(17.7% 0.071 11.0);

Tailwind

colors: {
  custom: {
    50: '#63464b',
    500: '#280009',
    950: '#000000',
  },
}

SCSS

$custom: #280009;
$custom-light: #63464b;
$custom-dark: #000000;

JSON

{
  "hex": "#280009",
  "rgb": {
    "r": 40,
    "g": 0,
    "b": 9
  },
  "hsl": {
    "h": 346.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17675,
    "c": 0.07065,
    "h": 11
  },
  "luminance": 0.00471
}

Semantic roles & 50–950 ramp

primary

#280009

secondary

#14705B

accent

#FFCF29

background

#F6F3F4

surface

#EBE5E7

border

#C6C1C3

text

#060001

muted

#7A7677

Preview Lab

Preview with #280009

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

Preview Lab → · Contrast checker → · Palette generator →