#901728#901728

#901728 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.5% C 0.154 H 20.3°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#901728
RGB	rgb(144, 23, 40)
HSL	hsl(352, 72%, 33%)
HSV	hsv(352, 84%, 56%)
CMYK	cmyk(0%, 84%, 72.2%, 43.5%)
CIE-LAB	lab(31.11, 49.12, 23.20)
CIE-LCH	lch(31.11, 54.32, 25.29°)
OKLab	oklab(42.53% 0.1446 0.0536)
OKLCH	oklch(42.53% 0.154 20.3)
XYZ	xyz(12.1924, 6.6972, 2.6578)
Luminance	0.0669 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901728 #17907F

analogous

#901765 #901728 #904217

triadic

#901728 #289017 #172890

tetradic

#901728 #659017 #17907F #421790

square

#901728 #659017 #17907F #421790

split-complementary

#901728 #179042 #176590

monochromatic

#26060B #5B0F19 #901728 #C51F37 #E14157

Accessibility & contrast

On white

8.98

#901728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#901728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901728

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901728	#FFFFFF	#000000	##FFFFFF
##901728	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3928

Deuteranopia (green-blind)

#5B5224

Tritanopia (blue-blind)

#9F001F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901728;
/* rgb */ color: rgb(144, 23, 40);
/* oklch */ color: oklch(42.5% 0.154 20.3);

Tailwind

colors: {
  custom: {
    50: '#b86261',
    500: '#901728',
    950: '#000000',
  },
}

SCSS

$custom: #901728;
$custom-light: #b86261;
$custom-dark: #000000;

JSON

{
  "hex": "#901728",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 40
  },
  "hsl": {
    "h": 351.57,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42526,
    "c": 0.15421,
    "h": 20.3
  },
  "luminance": 0.06695
}

Semantic roles & 50–950 ramp

primary

#901728

secondary

#42C1AF

accent

#EFD639

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130605

muted

#827A79

Preview Lab

Preview with #901728

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

Preview Lab → · Contrast checker → · Palette generator →