#901729#901729

#901729 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.5% C 0.154 H 19.9°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#901729
RGB	rgb(144, 23, 41)
HSL	hsl(351, 72%, 33%)
HSV	hsv(351, 84%, 56%)
CMYK	cmyk(0%, 84%, 71.5%, 43.5%)
CIE-LAB	lab(31.12, 49.17, 22.58)
CIE-LCH	lch(31.12, 54.10, 24.67°)
OKLab	oklab(42.54% 0.145 0.0524)
OKLCH	oklch(42.54% 0.154 19.9)
XYZ	xyz(12.2096, 6.7041, 2.7485)
Luminance	0.0670 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901729 #17907E

analogous

#901766 #901729 #904117

triadic

#901729 #299017 #172990

tetradic

#901729 #669017 #17907E #411790

square

#901729 #669017 #17907E #411790

split-complementary

#901729 #179041 #176690

monochromatic

#26060B #5B0F1A #901729 #C51F38 #E14159

Accessibility & contrast

On white

8.97

#901729 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#901729 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901729

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901729	#FFFFFF	#000000	##FFFFFF
##901729	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3929

Deuteranopia (green-blind)

#5B5225

Tritanopia (blue-blind)

#9F001F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901729;
/* rgb */ color: rgb(144, 23, 41);
/* oklch */ color: oklch(42.5% 0.154 19.9);

Tailwind

colors: {
  custom: {
    50: '#b86262',
    500: '#901729',
    950: '#000000',
  },
}

SCSS

$custom: #901729;
$custom-light: #b86262;
$custom-dark: #000000;

JSON

{
  "hex": "#901729",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 41
  },
  "hsl": {
    "h": 351.074,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42543,
    "c": 0.15416,
    "h": 19.9
  },
  "luminance": 0.06702
}

Semantic roles & 50–950 ramp

primary

#901729

secondary

#42C1AE

accent

#EFD439

background

#FCF6F5

surface

#F8EBEA

border

#D1C6C6

text

#130605

muted

#827A79

Preview Lab

Preview with #901729

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

Preview Lab → · Contrast checker → · Palette generator →