#901C2B#901C2B

#901C2B is a dark, vivid red. Relative luminance 0.069; OKLCH L 43.0% C 0.150 H 20.0°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#901C2B
RGB	rgb(144, 28, 43)
HSL	hsl(352, 67%, 34%)
HSV	hsv(352, 81%, 56%)
CMYK	cmyk(0%, 80.6%, 70.1%, 43.5%)
CIE-LAB	lab(31.66, 47.84, 21.95)
CIE-LCH	lch(31.66, 52.64, 24.64°)
OKLab	oklab(42.95% 0.1412 0.0513)
OKLCH	oklch(42.95% 0.15 20)
XYZ	xyz(12.3543, 6.9361, 2.9733)
Luminance	0.0693 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C2B #1C9081

analogous

#901C65 #901C2B #90471C

triadic

#901C2B #2B901C #1C2B90

tetradic

#901C2B #65901C #1C9081 #471C90

square

#901C2B #65901C #1C9081 #471C90

split-complementary

#901C2B #1C9047 #1C6590

monochromatic

#2A080C #5D121C #901C2B #C3263A #DC4A5D

Accessibility & contrast

On white

8.80

#901C2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#901C2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C2B

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C2B	#FFFFFF	#000000	##FFFFFF
##901C2B	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2B

Deuteranopia (green-blind)

#5C5327

Tritanopia (blue-blind)

#9F0023

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901c2b;
/* rgb */ color: rgb(144, 28, 43);
/* oklch */ color: oklch(43.0% 0.150 20.0);

Tailwind

colors: {
  custom: {
    50: '#b86464',
    500: '#901c2b',
    950: '#000000',
  },
}

SCSS

$custom: #901c2b;
$custom-light: #b86464;
$custom-dark: #000000;

JSON

{
  "hex": "#901c2b",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 43
  },
  "hsl": {
    "h": 352.241,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42952,
    "c": 0.15025,
    "h": 20
  },
  "luminance": 0.06934
}

Semantic roles & 50–950 ramp

primary

#901C2B

secondary

#4ABEAF

accent

#EAD43D

background

#FCF6F5

surface

#F8EBEA

border

#D1C6C6

text

#130605

muted

#827A79

Preview Lab

Preview with #901C2B

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

Preview Lab → · Contrast checker → · Palette generator →