#901918#901918

#901918 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.5% C 0.154 H 27.2°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#901918
RGB	rgb(144, 25, 24)
HSL	hsl(1, 71%, 33%)
HSV	hsv(1, 83%, 56%)
CMYK	cmyk(0%, 82.6%, 83.3%, 43.5%)
CIE-LAB	lab(31.10, 47.94, 33.01)
CIE-LCH	lch(31.10, 58.21, 34.55°)
OKLab	oklab(42.45% 0.1372 0.0706)
OKLCH	oklch(42.45% 0.154 27.2)
XYZ	xyz(12.0156, 6.6925, 1.5231)
Luminance	0.0669 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901918 #188F90

analogous

#901853 #901918 #905518

triadic

#901918 #189019 #191890

tetradic

#901918 #539018 #188F90 #551890

square

#901918 #539018 #188F90 #551890

split-complementary

#901918 #189055 #185390

monochromatic

#270707 #5C100F #901918 #C42221 #E04443

Accessibility & contrast

On white

8.98

#901918 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#901918 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901918

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901918	#FFFFFF	#000000	##FFFFFF
##901918	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403916

Deuteranopia (green-blind)

#5D5212

Tritanopia (blue-blind)

#9F001B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901918;
/* rgb */ color: rgb(144, 25, 24);
/* oklch */ color: oklch(42.5% 0.154 27.2);

Tailwind

colors: {
  custom: {
    50: '#ba6356',
    500: '#901918',
    950: '#000000',
  },
}

SCSS

$custom: #901918;
$custom-light: #ba6356;
$custom-dark: #000000;

JSON

{
  "hex": "#901918",
  "rgb": {
    "r": 144,
    "g": 25,
    "b": 24
  },
  "hsl": {
    "h": 0.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42453,
    "c": 0.15428,
    "h": 27.2
  },
  "luminance": 0.06691
}

Semantic roles & 50–950 ramp

primary

#901918

secondary

#43BFC0

accent

#EDEE3A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901918

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

Preview Lab → · Contrast checker → · Palette generator →