#901B36#901B36

#901B36 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.151 H 14.0°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#901B36
RGB	rgb(144, 27, 54)
HSL	hsl(346, 68%, 34%)
HSV	hsv(346, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 62.5%, 43.5%)
CIE-LAB	lab(31.76, 48.80, 14.91)
CIE-LCH	lch(31.76, 51.03, 16.99°)
OKLab	oklab(43.1% 0.1467 0.0365)
OKLCH	oklch(43.1% 0.151 14)
XYZ	xyz(12.5607, 6.9814, 4.1755)
Luminance	0.0698 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B36 #1B9075

analogous

#901B70 #901B36 #903A1B

triadic

#901B36 #36901B #1B3690

tetradic

#901B36 #70901B #1B9075 #3A1B90

square

#901B36 #70901B #1B9075 #3A1B90

split-complementary

#901B36 #1B903A #1B7090

monochromatic

#29080F #5C1123 #901B36 #C42549 #DD496B

Accessibility & contrast

On white

8.77

#901B36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#901B36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B36

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B36	#FFFFFF	#000000	##FFFFFF
##901B36	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3B36

Deuteranopia (green-blind)

#5B5333

Tritanopia (blue-blind)

#9E0027

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901b36;
/* rgb */ color: rgb(144, 27, 54);
/* oklch */ color: oklch(43.1% 0.151 14.0);

Tailwind

colors: {
  custom: {
    50: '#b7646c',
    500: '#901b36',
    950: '#000000',
  },
}

SCSS

$custom: #901b36;
$custom-light: #b7646c;
$custom-dark: #000000;

JSON

{
  "hex": "#901b36",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 54
  },
  "hsl": {
    "h": 346.154,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43096,
    "c": 0.15116,
    "h": 14
  },
  "luminance": 0.06979
}

Semantic roles & 50–950 ramp

primary

#901B36

secondary

#48BFA3

accent

#EBC33D

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130607

muted

#827A7A

Preview Lab

Preview with #901B36

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

Preview Lab → · Contrast checker → · Palette generator →