#280B0C#280B0C

#280B0C is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.9% C 0.049 H 20.6°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#280B0C
RGB	rgb(40, 11, 12)
HSL	hsl(358, 57%, 10%)
HSV	hsv(358, 73%, 16%)
CMYK	cmyk(0%, 72.5%, 70%, 84.3%)
CIE-LAB	lab(6.48, 14.87, 5.01)
CIE-LCH	lch(6.48, 15.69, 18.64°)
OKLab	oklab(19.87% 0.0457 0.0172)
OKLCH	oklch(19.87% 0.049 20.6)
XYZ	xyz(1.0612, 0.7171, 0.4303)
Luminance	0.0072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B0C #0B2827

analogous

#280B1B #280B0C #28180B

triadic

#280B0C #0C280B #0B0C28

tetradic

#280B0C #1B280B #0B2827 #180B28

square

#280B0C #1B280B #0B2827 #180B28

split-complementary

#280B0C #0B2818 #0B1B28

monochromatic

#180707 #180707 #280B0C #58181A #882529

Accessibility & contrast

On white

18.37

#280B0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#280B0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B0C

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B0C	#FFFFFF	#000000	##FFFFFF
##280B0C	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12110C

Deuteranopia (green-blind)

#19170B

Tritanopia (blue-blind)

#2D070C

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #280b0c;
/* rgb */ color: rgb(40, 11, 12);
/* oklch */ color: oklch(19.9% 0.049 20.6);

Tailwind

colors: {
  custom: {
    50: '#644b4c',
    500: '#280b0c',
    950: '#000000',
  },
}

SCSS

$custom: #280b0c;
$custom-light: #644b4c;
$custom-dark: #000000;

JSON

{
  "hex": "#280b0c",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 12
  },
  "hsl": {
    "h": 357.931,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.19874,
    "c": 0.04884,
    "h": 20.6
  },
  "luminance": 0.00717
}

Semantic roles & 50–950 ramp

primary

#280B0C

secondary

#2B6462

accent

#E0DB48

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280B0C

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

Preview Lab → · Contrast checker → · Palette generator →