#901633#901633

#901633 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.7% C 0.155 H 14.6°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#901633
RGB	rgb(144, 22, 51)
HSL	hsl(346, 73%, 33%)
HSV	hsv(346, 85%, 56%)
CMYK	cmyk(0%, 84.7%, 64.6%, 43.5%)
CIE-LAB	lab(31.22, 49.98, 16.16)
CIE-LCH	lch(31.22, 52.53, 17.92°)
OKLab	oklab(42.67% 0.1499 0.0391)
OKLCH	oklch(42.67% 0.155 14.6)
XYZ	xyz(12.3874, 6.7440, 3.7808)
Luminance	0.0674 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901633 #169073

analogous

#901670 #901633 #903616

triadic

#901633 #339016 #163390

tetradic

#901633 #709016 #169073 #361690

square

#901633 #709016 #169073 #361690

split-complementary

#901633 #169036 #167090

monochromatic

#26060D #5B0E20 #901633 #C51E46 #E23F65

Accessibility & contrast

On white

8.94

#901633 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901633 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901633

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901633	#FFFFFF	#000000	##FFFFFF
##901633	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3933

Deuteranopia (green-blind)

#5A5230

Tritanopia (blue-blind)

#9E0023

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901633;
/* rgb */ color: rgb(144, 22, 51);
/* oklch */ color: oklch(42.7% 0.155 14.6);

Tailwind

colors: {
  custom: {
    50: '#b8626a',
    500: '#901633',
    950: '#000000',
  },
}

SCSS

$custom: #901633;
$custom-light: #b8626a;
$custom-dark: #000000;

JSON

{
  "hex": "#901633",
  "rgb": {
    "r": 144,
    "g": 22,
    "b": 51
  },
  "hsl": {
    "h": 345.738,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42672,
    "c": 0.15492,
    "h": 14.6
  },
  "luminance": 0.06742
}

Semantic roles & 50–950 ramp

primary

#901633

secondary

#40C2A3

accent

#F0C438

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901633

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

Preview Lab → · Contrast checker → · Palette generator →