#28100E#28100E

#28100E is a very dark, muted red. Relative luminance 0.009; OKLCH L 20.9% C 0.041 H 26.1°. Best body text is #FFFFFF at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#28100E
RGB	rgb(40, 16, 14)
HSL	hsl(5, 48%, 11%)
HSV	hsv(5, 65%, 16%)
CMYK	cmyk(0%, 60%, 65%, 84.3%)
CIE-LAB	lab(7.71, 12.25, 5.85)
CIE-LCH	lch(7.71, 13.57, 25.55°)
OKLab	oklab(20.9% 0.0365 0.0179)
OKLCH	oklch(20.9% 0.041 26.1)
XYZ	xyz(1.1397, 0.8535, 0.5201)
Luminance	0.0085 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28100E #0E2628

analogous

#280E19 #28100E #281D0E

triadic

#28100E #0E2810 #100E28

tetradic

#28100E #19280E #0E2628 #1D0E28

square

#28100E #19280E #0E2628 #1D0E28

split-complementary

#28100E #0E281D #0E1928

monochromatic

#170908 #170908 #28100E #55221E #83342E

Accessibility & contrast

On white

17.94

#28100E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#28100E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28100E

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28100E	#FFFFFF	#000000	##FFFFFF
##28100E	1.00	17.94	1.17	17.94
#FFFFFF	17.94	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140E

Deuteranopia (green-blind)

#1B190E

Tritanopia (blue-blind)

#2C0C10

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #28100e;
/* rgb */ color: rgb(40, 16, 14);
/* oklch */ color: oklch(20.9% 0.041 26.1);

Tailwind

colors: {
  custom: {
    50: '#634e4d',
    500: '#28100e',
    950: '#000000',
  },
}

SCSS

$custom: #28100e;
$custom-light: #634e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#28100e",
  "rgb": {
    "r": 40,
    "g": 16,
    "b": 14
  },
  "hsl": {
    "h": 4.615,
    "s": 48.148,
    "l": 10.588
  },
  "oklch": {
    "l": 0.20904,
    "c": 0.04063,
    "h": 26.1
  },
  "luminance": 0.00853
}

Semantic roles & 50–950 ramp

primary

#28100E

secondary

#305E61

accent

#CDD850

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #28100E

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

Preview Lab → · Contrast checker → · Palette generator →