#280005#280005

#280005 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 17.5% C 0.070 H 18.0°. Best body text is #FFFFFF at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#280005
RGB	rgb(40, 0, 5)
HSL	hsl(353, 100%, 8%)
HSV	hsv(353, 100%, 16%)
CMYK	cmyk(0%, 100%, 87.5%, 84.3%)
CIE-LAB	lab(4.17, 18.92, 4.55)
CIE-LCH	lch(4.17, 19.46, 13.52°)
OKLab	oklab(17.55% 0.0669 0.0217)
OKLCH	oklch(17.55% 0.07 18)
XYZ	xyz(0.9026, 0.4622, 0.1852)
Luminance	0.0046 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280005 #002823

analogous

#280019 #280005 #280F00

triadic

#280005 #052800 #000528

tetradic

#280005 #192800 #002823 #0F0028

square

#280005 #192800 #002823 #0F0028

split-complementary

#280005 #00280F #001928

monochromatic

#1F0004 #1F0004 #280005 #65000D #A20014

Accessibility & contrast

On white

19.22

#280005 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#280005 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280005

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280005	#FFFFFF	#000000	##FFFFFF
##280005	1.00	19.22	1.09	19.22
#FFFFFF	19.22	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0905

Deuteranopia (green-blind)

#151204

Tritanopia (blue-blind)

#2D0002

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #280005;
/* rgb */ color: rgb(40, 0, 5);
/* oklch */ color: oklch(17.5% 0.070 18.0);

Tailwind

colors: {
  custom: {
    50: '#634649',
    500: '#280005',
    950: '#000000',
  },
}

SCSS

$custom: #280005;
$custom-light: #634649;
$custom-dark: #000000;

JSON

{
  "hex": "#280005",
  "rgb": {
    "r": 40,
    "g": 0,
    "b": 5
  },
  "hsl": {
    "h": 352.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17547,
    "c": 0.0703,
    "h": 18
  },
  "luminance": 0.00462
}

Semantic roles & 50–950 ramp

primary

#280005

secondary

#147064

accent

#FFE429

background

#F6F3F4

surface

#EBE5E6

border

#C6C1C2

text

#060000

muted

#7A7677

Preview Lab

Preview with #280005

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

Preview Lab → · Contrast checker → · Palette generator →