#901733#901733

#901733 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.154 H 14.8°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#901733
RGB	rgb(144, 23, 51)
HSL	hsl(346, 72%, 33%)
HSV	hsv(346, 84%, 56%)
CMYK	cmyk(0%, 84%, 64.6%, 43.5%)
CIE-LAB	lab(31.31, 49.72, 16.28)
CIE-LCH	lch(31.31, 52.32, 18.13°)
OKLab	oklab(42.74% 0.1491 0.0394)
OKLCH	oklch(42.74% 0.154 14.8)
XYZ	xyz(12.4069, 6.7830, 3.7873)
Luminance	0.0678 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901733 #179074

analogous

#90176F #901733 #903817

triadic

#901733 #339017 #173390

tetradic

#901733 #6F9017 #179074 #381790

square

#901733 #6F9017 #179074 #381790

split-complementary

#901733 #179038 #176F90

monochromatic

#26060E #5B0F20 #901733 #C51F46 #E14166

Accessibility & contrast

On white

8.91

#901733 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#901733 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901733

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901733	#FFFFFF	#000000	##FFFFFF
##901733	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3A33

Deuteranopia (green-blind)

#5A5330

Tritanopia (blue-blind)

#9E0024

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901733;
/* rgb */ color: rgb(144, 23, 51);
/* oklch */ color: oklch(42.7% 0.154 14.8);

Tailwind

colors: {
  custom: {
    50: '#b8636a',
    500: '#901733',
    950: '#000000',
  },
}

SCSS

$custom: #901733;
$custom-light: #b8636a;
$custom-dark: #000000;

JSON

{
  "hex": "#901733",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 51
  },
  "hsl": {
    "h": 346.116,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42739,
    "c": 0.15418,
    "h": 14.8
  },
  "luminance": 0.06781
}

Semantic roles & 50–950 ramp

primary

#901733

secondary

#42C1A4

accent

#EFC539

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901733

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

Preview Lab → · Contrast checker → · Palette generator →