#901A18#901A18

#901A18 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.5% C 0.154 H 27.4°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#901A18
RGB	rgb(144, 26, 24)
HSL	hsl(1, 71%, 33%)
HSV	hsv(1, 83%, 56%)
CMYK	cmyk(0%, 81.9%, 83.3%, 43.5%)
CIE-LAB	lab(31.20, 47.65, 33.11)
CIE-LCH	lch(31.20, 58.03, 34.79°)
OKLab	oklab(42.53% 0.1363 0.0708)
OKLCH	oklch(42.53% 0.154 27.4)
XYZ	xyz(12.0374, 6.7360, 1.5303)
Luminance	0.0673 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901A18 #188E90

analogous

#901852 #901A18 #905618

triadic

#901A18 #18901A #1A1890

tetradic

#901A18 #529018 #188E90 #561890

square

#901A18 #529018 #188E90 #561890

split-complementary

#901A18 #189056 #185290

monochromatic

#270707 #5C110F #901A18 #C42321 #E04543

Accessibility & contrast

On white

8.95

#901A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901A18

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901A18	#FFFFFF	#000000	##FFFFFF
##901A18	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)

#403916

Deuteranopia (green-blind)

#5D5312

Tritanopia (blue-blind)

#9F001B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901a18;
/* rgb */ color: rgb(144, 26, 24);
/* oklch */ color: oklch(42.5% 0.154 27.4);

Tailwind

colors: {
  custom: {
    50: '#ba6356',
    500: '#901a18',
    950: '#000000',
  },
}

SCSS

$custom: #901a18;
$custom-light: #ba6356;
$custom-dark: #000000;

JSON

{
  "hex": "#901a18",
  "rgb": {
    "r": 144,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 1,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42529,
    "c": 0.15358,
    "h": 27.4
  },
  "luminance": 0.06734
}

Semantic roles & 50–950 ramp

primary

#901A18

secondary

#43BEC0

accent

#EBEE3A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901A18

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

Preview Lab → · Contrast checker → · Palette generator →