#901718#901718

#901718 is a dark, vivid red. Relative luminance 0.066; OKLCH L 42.3% C 0.156 H 26.8°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#901718
RGB	rgb(144, 23, 24)
HSL	hsl(360, 72%, 33%)
HSV	hsv(360, 84%, 56%)
CMYK	cmyk(0%, 84%, 83.3%, 43.5%)
CIE-LAB	lab(30.90, 48.49, 32.82)
CIE-LCH	lch(30.90, 58.55, 34.09°)
OKLab	oklab(42.31% 0.1389 0.0701)
OKLCH	oklch(42.31% 0.156 26.8)
XYZ	xyz(11.9744, 6.6100, 1.5093)
Luminance	0.0661 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901718 #17908F

analogous

#901755 #901718 #905217

triadic

#901718 #189017 #171890

tetradic

#901718 #559017 #17908F #521790

square

#901718 #559017 #17908F #521790

split-complementary

#901718 #179052 #175590

monochromatic

#260606 #5B0F0F #901718 #C51F21 #E14142

Accessibility & contrast

On white

9.05

#901718 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#901718 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901718

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901718	#FFFFFF	#000000	##FFFFFF
##901718	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3816

Deuteranopia (green-blind)

#5C5212

Tritanopia (blue-blind)

#9F0019

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901718;
/* rgb */ color: rgb(144, 23, 24);
/* oklch */ color: oklch(42.3% 0.156 26.8);

Tailwind

colors: {
  custom: {
    50: '#ba6256',
    500: '#901718',
    950: '#000000',
  },
}

SCSS

$custom: #901718;
$custom-light: #ba6256;
$custom-dark: #000000;

JSON

{
  "hex": "#901718",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 24
  },
  "hsl": {
    "h": 359.504,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42309,
    "c": 0.15563,
    "h": 26.8
  },
  "luminance": 0.06608
}

Semantic roles & 50–950 ramp

primary

#901718

secondary

#42C1C0

accent

#EFEE39

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901718

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

Preview Lab → · Contrast checker → · Palette generator →