#901828#901828

#901828 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.6% C 0.153 H 20.5°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#901828
RGB	rgb(144, 24, 40)
HSL	hsl(352, 71%, 33%)
HSV	hsv(352, 83%, 56%)
CMYK	cmyk(0%, 83.3%, 72.2%, 43.5%)
CIE-LAB	lab(31.20, 48.85, 23.32)
CIE-LCH	lch(31.20, 54.13, 25.52°)
OKLab	oklab(42.6% 0.1438 0.0538)
OKLCH	oklch(42.6% 0.153 20.5)
XYZ	xyz(12.2127, 6.7377, 2.6645)
Luminance	0.0674 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901828 #189080

analogous

#901864 #901828 #904418

triadic

#901828 #289018 #182890

tetradic

#901828 #649018 #189080 #441890

square

#901828 #649018 #189080 #441890

split-complementary

#901828 #189044 #186490

monochromatic

#27070B #5C0F19 #901828 #C42137 #E04358

Accessibility & contrast

On white

8.95

#901828 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901828 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901828

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901828	#FFFFFF	#000000	##FFFFFF
##901828	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3928

Deuteranopia (green-blind)

#5B5224

Tritanopia (blue-blind)

#9F0020

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901828;
/* rgb */ color: rgb(144, 24, 40);
/* oklch */ color: oklch(42.6% 0.153 20.5);

Tailwind

colors: {
  custom: {
    50: '#b86361',
    500: '#901828',
    950: '#000000',
  },
}

SCSS

$custom: #901828;
$custom-light: #b86361;
$custom-dark: #000000;

JSON

{
  "hex": "#901828",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 40
  },
  "hsl": {
    "h": 352,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42596,
    "c": 0.15349,
    "h": 20.5
  },
  "luminance": 0.06736
}

Semantic roles & 50–950 ramp

primary

#901828

secondary

#43C0B0

accent

#EED63A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130605

muted

#827A79

Preview Lab

Preview with #901828

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

Preview Lab → · Contrast checker → · Palette generator →