#280A0A#280A0A

#280A0A is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.6% C 0.051 H 22.9°. Best body text is #FFFFFF at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#280A0A
RGB	rgb(40, 10, 10)
HSL	hsl(0, 60%, 10%)
HSV	hsv(0, 75%, 16%)
CMYK	cmyk(0%, 75%, 75%, 84.3%)
CIE-LAB	lab(6.23, 15.11, 5.52)
CIE-LCH	lch(6.23, 16.09, 20.07°)
OKLab	oklab(19.65% 0.0466 0.0197)
OKLCH	oklch(19.65% 0.051 22.9)
XYZ	xyz(1.0385, 0.6902, 0.3656)
Luminance	0.0069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280A0A #0A2828

analogous

#280A19 #280A0A #28190A

triadic

#280A0A #0A280A #0A0A28

tetradic

#280A0A #19280A #0A2828 #190A28

square

#280A0A #19280A #0A2828 #190A28

split-complementary

#280A0A #0A2819 #0A1928

monochromatic

#180606 #180606 #280A0A #591616 #8A2222

Accessibility & contrast

On white

18.45

#280A0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#280A0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280A0A

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280A0A	#FFFFFF	#000000	##FFFFFF
##280A0A	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)

#11100A

Deuteranopia (green-blind)

#191609

Tritanopia (blue-blind)

#2D050A

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #280a0a;
/* rgb */ color: rgb(40, 10, 10);
/* oklch */ color: oklch(19.6% 0.051 22.9);

Tailwind

colors: {
  custom: {
    50: '#644b4b',
    500: '#280a0a',
    950: '#000000',
  },
}

SCSS

$custom: #280a0a;
$custom-light: #644b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#280a0a",
  "rgb": {
    "r": 40,
    "g": 10,
    "b": 10
  },
  "hsl": {
    "h": 0,
    "s": 60,
    "l": 9.804
  },
  "oklch": {
    "l": 0.19645,
    "c": 0.05063,
    "h": 22.9
  },
  "luminance": 0.0069
}

Semantic roles & 50–950 ramp

primary

#280A0A

secondary

#296565

accent

#E3E345

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280A0A

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

Preview Lab → · Contrast checker → · Palette generator →