#280704#280704

#280704 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.9% C 0.057 H 30.4°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#280704
RGB	rgb(40, 7, 4)
HSL	hsl(5, 82%, 9%)
HSV	hsv(5, 90%, 16%)
CMYK	cmyk(0%, 82.5%, 90%, 84.3%)
CIE-LAB	lab(5.53, 15.78, 6.93)
CIE-LCH	lch(5.53, 17.23, 23.72°)
OKLab	oklab(18.95% 0.049 0.0288)
OKLCH	oklch(18.95% 0.057 30.4)
XYZ	xyz(0.9731, 0.6120, 0.1817)
Luminance	0.0061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280704 #042528

analogous

#280413 #280704 #281904

triadic

#280704 #042807 #070428

tetradic

#280704 #132804 #042528 #190428

square

#280704 #132804 #042528 #190428

split-complementary

#280704 #042819 #041328

monochromatic

#1C0503 #1C0503 #280704 #60110A #971A0F

Accessibility & contrast

On white

18.71

#280704 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#280704 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280704

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280704	#FFFFFF	#000000	##FFFFFF
##280704	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100E04

Deuteranopia (green-blind)

#181503

Tritanopia (blue-blind)

#2D0206

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #280704;
/* rgb */ color: rgb(40, 7, 4);
/* oklch */ color: oklch(18.9% 0.057 30.4);

Tailwind

colors: {
  custom: {
    50: '#634948',
    500: '#280704',
    950: '#000000',
  },
}

SCSS

$custom: #280704;
$custom-light: #634948;
$custom-dark: #000000;

JSON

{
  "hex": "#280704",
  "rgb": {
    "r": 40,
    "g": 7,
    "b": 4
  },
  "hsl": {
    "h": 5,
    "s": 81.818,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18945,
    "c": 0.05681,
    "h": 30.4
  },
  "luminance": 0.00612
}

Semantic roles & 50–950 ramp

primary

#280704

secondary

#1D646B

accent

#E7F830

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#060100

muted

#7A7777

Preview Lab

Preview with #280704

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

Preview Lab → · Contrast checker → · Palette generator →