#28090B#28090B

#28090B is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.5% C 0.052 H 19.5°. Best body text is #FFFFFF at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#28090B
RGB	rgb(40, 9, 11)
HSL	hsl(356, 63%, 10%)
HSV	hsv(356, 78%, 16%)
CMYK	cmyk(0%, 77.5%, 72.5%, 84.3%)
CIE-LAB	lab(6.06, 15.68, 4.85)
CIE-LCH	lch(6.06, 16.41, 17.17°)
OKLab	oklab(19.5% 0.0491 0.0174)
OKLCH	oklch(19.5% 0.052 19.5)
XYZ	xyz(1.0333, 0.6708, 0.3916)
Luminance	0.0067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28090B #092826

analogous

#28091B #28090B #281709

triadic

#28090B #0B2809 #090B28

tetradic

#28090B #1B2809 #092826 #170928

square

#28090B #1B2809 #092826 #170928

split-complementary

#28090B #092817 #091B28

monochromatic

#190607 #190607 #28090B #5A1419 #8C1F26

Accessibility & contrast

On white

18.52

#28090B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#28090B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28090B

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28090B	#FFFFFF	#000000	##FFFFFF
##28090B	1.00	18.52	1.13	18.52
#FFFFFF	18.52	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F0B

Deuteranopia (green-blind)

#18160A

Tritanopia (blue-blind)

#2D050A

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #28090b;
/* rgb */ color: rgb(40, 9, 11);
/* oklch */ color: oklch(19.5% 0.052 19.5);

Tailwind

colors: {
  custom: {
    50: '#644a4c',
    500: '#28090b',
    950: '#000000',
  },
}

SCSS

$custom: #28090b;
$custom-light: #644a4c;
$custom-dark: #000000;

JSON

{
  "hex": "#28090b",
  "rgb": {
    "r": 40,
    "g": 9,
    "b": 11
  },
  "hsl": {
    "h": 356.129,
    "s": 63.265,
    "l": 9.608
  },
  "oklch": {
    "l": 0.19496,
    "c": 0.05209,
    "h": 19.5
  },
  "luminance": 0.00671
}

Semantic roles & 50–950 ramp

primary

#28090B

secondary

#276662

accent

#E6DC41

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #28090B

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

Preview Lab → · Contrast checker → · Palette generator →