#280905#280905

#280905 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.3% C 0.053 H 31.5°. Best body text is #FFFFFF at 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#280905
RGB	rgb(40, 9, 5)
HSL	hsl(7, 78%, 9%)
HSV	hsv(7, 88%, 16%)
CMYK	cmyk(0%, 77.5%, 87.5%, 84.3%)
CIE-LAB	lab(5.94, 15.00, 7.13)
CIE-LCH	lch(5.94, 16.61, 25.41°)
OKLab	oklab(19.34% 0.0456 0.0279)
OKLCH	oklch(19.34% 0.053 31.5)
XYZ	xyz(1.0003, 0.6576, 0.2178)
Luminance	0.0066 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280905 #052428

analogous

#280513 #280905 #281B05

triadic

#280905 #052809 #090528

tetradic

#280905 #132805 #052428 #1B0528

square

#280905 #132805 #052428 #1B0528

split-complementary

#280905 #05281B #051328

monochromatic

#1B0603 #1B0603 #280905 #5E150C #952113

Accessibility & contrast

On white

18.56

#280905 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#280905 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280905

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280905	#FFFFFF	#000000	##FFFFFF
##280905	1.00	18.56	1.13	18.56
#FFFFFF	18.56	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F05

Deuteranopia (green-blind)

#191604

Tritanopia (blue-blind)

#2D0408

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #280905;
/* rgb */ color: rgb(40, 9, 5);
/* oklch */ color: oklch(19.3% 0.053 31.5);

Tailwind

colors: {
  custom: {
    50: '#634a49',
    500: '#280905',
    950: '#000000',
  },
}

SCSS

$custom: #280905;
$custom-light: #634a49;
$custom-dark: #000000;

JSON

{
  "hex": "#280905",
  "rgb": {
    "r": 40,
    "g": 9,
    "b": 5
  },
  "hsl": {
    "h": 6.857,
    "s": 77.778,
    "l": 8.824
  },
  "oklch": {
    "l": 0.1934,
    "c": 0.05348,
    "h": 31.5
  },
  "luminance": 0.00657
}

Semantic roles & 50–950 ramp

primary

#280905

secondary

#1F616A

accent

#DEF434

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#060100

muted

#7A7777

Preview Lab

Preview with #280905

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

Preview Lab → · Contrast checker → · Palette generator →