#901D1C#901D1C

#901D1C is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.8% C 0.151 H 26.8°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#901D1C
RGB	rgb(144, 29, 28)
HSL	hsl(1, 67%, 34%)
HSV	hsv(1, 81%, 56%)
CMYK	cmyk(0%, 79.9%, 80.6%, 43.5%)
CIE-LAB	lab(31.56, 46.87, 31.16)
CIE-LCH	lch(31.56, 56.28, 33.62°)
OKLab	oklab(42.81% 0.1347 0.0679)
OKLCH	oklch(42.81% 0.151 26.8)
XYZ	xyz(12.1520, 6.8938, 1.7892)
Luminance	0.0689 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D1C #1C8F90

analogous

#901C55 #901D1C #90571C

triadic

#901D1C #1C901D #1D1C90

tetradic

#901D1C #55901C #1C8F90 #571C90

square

#901D1C #55901C #1C8F90 #571C90

split-complementary

#901D1C #1C9057 #1C5590

monochromatic

#2A0808 #5D1312 #901D1C #C32726 #DC4C4A

Accessibility & contrast

On white

8.83

#901D1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#901D1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D1C

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D1C	#FFFFFF	#000000	##FFFFFF
##901D1C	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A1A

Deuteranopia (green-blind)

#5D5317

Tritanopia (blue-blind)

#9F001F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901d1c;
/* rgb */ color: rgb(144, 29, 28);
/* oklch */ color: oklch(42.8% 0.151 26.8);

Tailwind

colors: {
  custom: {
    50: '#b96459',
    500: '#901d1c',
    950: '#000000',
  },
}

SCSS

$custom: #901d1c;
$custom-light: #b96459;
$custom-dark: #000000;

JSON

{
  "hex": "#901d1c",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 28
  },
  "hsl": {
    "h": 0.517,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42813,
    "c": 0.15085,
    "h": 26.8
  },
  "luminance": 0.06892
}

Semantic roles & 50–950 ramp

primary

#901D1C

secondary

#4ABDBE

accent

#E9EA3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901D1C

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

Preview Lab → · Contrast checker → · Palette generator →