#28050A#28050A

#28050A is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.7% C 0.059 H 15.6°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#28050A
RGB	rgb(40, 5, 10)
HSL	hsl(351, 78%, 9%)
HSV	hsv(351, 88%, 16%)
CMYK	cmyk(0%, 87.5%, 75%, 84.3%)
CIE-LAB	lab(5.25, 17.37, 4.09)
CIE-LCH	lch(5.25, 17.84, 13.24°)
OKLab	oklab(18.73% 0.0571 0.016)
OKLCH	oklch(18.73% 0.059 15.6)
XYZ	xyz(0.9842, 0.5817, 0.3476)
Luminance	0.0058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28050A #052823

analogous

#28051C #28050A #281205

triadic

#28050A #0A2805 #050A28

tetradic

#28050A #1C2805 #052823 #120528

square

#28050A #1C2805 #052823 #120528

split-complementary

#28050A #052812 #051C28

monochromatic

#1B0307 #1B0307 #28050A #5E0C18 #951325

Accessibility & contrast

On white

18.81

#28050A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#28050A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28050A

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28050A	#FFFFFF	#000000	##FFFFFF
##28050A	1.00	18.81	1.12	18.81
#FFFFFF	18.81	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0D0A

Deuteranopia (green-blind)

#171409

Tritanopia (blue-blind)

#2D0107

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #28050a;
/* rgb */ color: rgb(40, 5, 10);
/* oklch */ color: oklch(18.7% 0.059 15.6);

Tailwind

colors: {
  custom: {
    50: '#64484b',
    500: '#28050a',
    950: '#000000',
  },
}

SCSS

$custom: #28050a;
$custom-light: #64484b;
$custom-dark: #000000;

JSON

{
  "hex": "#28050a",
  "rgb": {
    "r": 40,
    "g": 5,
    "b": 10
  },
  "hsl": {
    "h": 351.429,
    "s": 77.778,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18729,
    "c": 0.05934,
    "h": 15.6
  },
  "luminance": 0.00582
}

Semantic roles & 50–950 ramp

primary

#28050A

secondary

#1F6A5F

accent

#F4D934

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #28050A

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

Preview Lab → · Contrast checker → · Palette generator →