#280406#280406

#280406 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.4% C 0.061 H 21.6°. Best body text is #FFFFFF at 18.92:1 contrast (WCAG AA passes).

Color values

HEX	#280406
RGB	rgb(40, 4, 6)
HSL	hsl(357, 82%, 9%)
HSV	hsv(357, 90%, 16%)
CMYK	cmyk(0%, 90%, 85%, 84.3%)
CIE-LAB	lab(4.98, 17.33, 5.31)
CIE-LCH	lch(4.98, 18.13, 17.05°)
OKLab	oklab(18.42% 0.0571 0.0227)
OKLCH	oklch(18.42% 0.061 21.6)
XYZ	xyz(0.9515, 0.5512, 0.2286)
Luminance	0.0055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280406 #042826

analogous

#280418 #280406 #281404

triadic

#280406 #062804 #040628

tetradic

#280406 #182804 #042826 #140428

square

#280406 #182804 #042826 #140428

split-complementary

#280406 #042814 #041828

monochromatic

#1C0304 #1C0304 #280406 #600A0E #970F17

Accessibility & contrast

On white

18.92

#280406 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#280406 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280406

18.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280406	#FFFFFF	#000000	##FFFFFF
##280406	1.00	18.92	1.11	18.92
#FFFFFF	18.92	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0C06

Deuteranopia (green-blind)

#171405

Tritanopia (blue-blind)

#2D0005

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #280406;
/* rgb */ color: rgb(40, 4, 6);
/* oklch */ color: oklch(18.4% 0.061 21.6);

Tailwind

colors: {
  custom: {
    50: '#634849',
    500: '#280406',
    950: '#000000',
  },
}

SCSS

$custom: #280406;
$custom-light: #634849;
$custom-dark: #000000;

JSON

{
  "hex": "#280406",
  "rgb": {
    "r": 40,
    "g": 4,
    "b": 6
  },
  "hsl": {
    "h": 356.667,
    "s": 81.818,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18419,
    "c": 0.06147,
    "h": 21.6
  },
  "luminance": 0.00551
}

Semantic roles & 50–950 ramp

primary

#280406

secondary

#1D6B66

accent

#F8ED30

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #280406

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

Preview Lab → · Contrast checker → · Palette generator →