#901B38#901B38

#901B38 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.151 H 12.9°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#901B38
RGB	rgb(144, 27, 56)
HSL	hsl(345, 68%, 34%)
HSV	hsv(345, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 61.1%, 43.5%)
CIE-LAB	lab(31.81, 48.93, 13.65)
CIE-LCH	lch(31.81, 50.80, 15.59°)
OKLab	oklab(43.14% 0.1475 0.0337)
OKLCH	oklch(43.14% 0.151 12.9)
XYZ	xyz(12.6086, 7.0006, 4.4279)
Luminance	0.0700 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B38 #1B9073

analogous

#901B72 #901B38 #90381B

triadic

#901B38 #38901B #1B3890

tetradic

#901B38 #72901B #1B9073 #381B90

square

#901B38 #72901B #1B9073 #381B90

split-complementary

#901B38 #1B9038 #1B7290

monochromatic

#290810 #5C1124 #901B38 #C4254C #DD496D

Accessibility & contrast

On white

8.75

#901B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#901B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B38

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B38	#FFFFFF	#000000	##FFFFFF
##901B38	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C38

Deuteranopia (green-blind)

#5A5335

Tritanopia (blue-blind)

#9E0028

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901b38;
/* rgb */ color: rgb(144, 27, 56);
/* oklch */ color: oklch(43.1% 0.151 12.9);

Tailwind

colors: {
  custom: {
    50: '#b7646e',
    500: '#901b38',
    950: '#000000',
  },
}

SCSS

$custom: #901b38;
$custom-light: #b7646e;
$custom-dark: #000000;

JSON

{
  "hex": "#901b38",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 56
  },
  "hsl": {
    "h": 345.128,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43143,
    "c": 0.1513,
    "h": 12.9
  },
  "luminance": 0.06999
}

Semantic roles & 50–950 ramp

primary

#901B38

secondary

#48BFA1

accent

#EBC03D

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130607

muted

#827A7A

Preview Lab

Preview with #901B38

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

Preview Lab → · Contrast checker → · Palette generator →