#901B28#901B28

#901B28 is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.8% C 0.151 H 21.2°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#901B28
RGB	rgb(144, 27, 40)
HSL	hsl(353, 68%, 34%)
HSV	hsv(353, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 72.2%, 43.5%)
CIE-LAB	lab(31.51, 47.99, 23.68)
CIE-LCH	lch(31.51, 53.52, 26.27°)
OKLab	oklab(42.82% 0.141 0.0546)
OKLCH	oklch(42.82% 0.151 21.2)
XYZ	xyz(12.2779, 6.8683, 2.6863)
Luminance	0.0687 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B28 #1B9083

analogous

#901B62 #901B28 #90481B

triadic

#901B28 #28901B #1B2890

tetradic

#901B28 #62901B #1B9083 #481B90

square

#901B28 #62901B #1B9083 #481B90

split-complementary

#901B28 #1B9048 #1B6290

monochromatic

#29080B #5C111A #901B28 #C42536 #DD4959

Accessibility & contrast

On white

8.85

#901B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B28

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B28	#FFFFFF	#000000	##FFFFFF
##901B28	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3A27

Deuteranopia (green-blind)

#5C5324

Tritanopia (blue-blind)

#9F0021

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901b28;
/* rgb */ color: rgb(144, 27, 40);
/* oklch */ color: oklch(42.8% 0.151 21.2);

Tailwind

colors: {
  custom: {
    50: '#b86461',
    500: '#901b28',
    950: '#000000',
  },
}

SCSS

$custom: #901b28;
$custom-light: #b86461;
$custom-dark: #000000;

JSON

{
  "hex": "#901b28",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 40
  },
  "hsl": {
    "h": 353.333,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42821,
    "c": 0.15122,
    "h": 21.2
  },
  "luminance": 0.06866
}

Semantic roles & 50–950 ramp

primary

#901B28

secondary

#48BFB1

accent

#EBD83D

background

#FCF6F5

surface

#F8EBEA

border

#D1C6C6

text

#130605

muted

#827A79

Preview Lab

Preview with #901B28

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

Preview Lab → · Contrast checker → · Palette generator →