#28070B#28070B

#28070B is a very dark, muted red. Relative luminance 0.006; OKLCH L 19.1% C 0.056 H 16.6°. Best body text is #FFFFFF at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#28070B
RGB	rgb(40, 7, 11)
HSL	hsl(353, 70%, 9%)
HSV	hsv(353, 83%, 16%)
CMYK	cmyk(0%, 82.5%, 72.5%, 84.3%)
CIE-LAB	lab(5.67, 16.59, 4.27)
CIE-LCH	lch(5.67, 17.13, 14.45°)
OKLab	oklab(19.13% 0.0532 0.0159)
OKLCH	oklch(19.13% 0.056 16.6)
XYZ	xyz(1.0115, 0.6274, 0.3844)
Luminance	0.0063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28070B #072824

analogous

#28071C #28070B #281407

triadic

#28070B #0B2807 #070B28

tetradic

#28070B #1C2807 #072824 #140728

square

#28070B #1C2807 #072824 #140728

split-complementary

#28070B #072814 #071C28

monochromatic

#1A0507 #1A0507 #28070B #5C1019 #901928

Accessibility & contrast

On white

18.66

#28070B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#28070B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28070B

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28070B	#FFFFFF	#000000	##FFFFFF
##28070B	1.00	18.66	1.13	18.66
#FFFFFF	18.66	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0E0B

Deuteranopia (green-blind)

#18150A

Tritanopia (blue-blind)

#2D0309

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #28070b;
/* rgb */ color: rgb(40, 7, 11);
/* oklch */ color: oklch(19.1% 0.056 16.6);

Tailwind

colors: {
  custom: {
    50: '#64494c',
    500: '#28070b',
    950: '#000000',
  },
}

SCSS

$custom: #28070b;
$custom-light: #64494c;
$custom-dark: #000000;

JSON

{
  "hex": "#28070b",
  "rgb": {
    "r": 40,
    "g": 7,
    "b": 11
  },
  "hsl": {
    "h": 352.727,
    "s": 70.213,
    "l": 9.216
  },
  "oklch": {
    "l": 0.19134,
    "c": 0.05554,
    "h": 16.6
  },
  "luminance": 0.00627
}

Semantic roles & 50–950 ramp

primary

#28070B

secondary

#23685F

accent

#EDD73B

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060101

muted

#7A7777

Preview Lab

Preview with #28070B

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

Preview Lab → · Contrast checker → · Palette generator →