#901C1D#901C1D

#901C1D is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.151 H 26.1°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#901C1D
RGB	rgb(144, 28, 29)
HSL	hsl(359, 67%, 34%)
HSV	hsv(359, 81%, 56%)
CMYK	cmyk(0%, 80.6%, 79.9%, 43.5%)
CIE-LAB	lab(31.46, 47.22, 30.46)
CIE-LCH	lch(31.46, 56.19, 32.83°)
OKLab	oklab(42.74% 0.136 0.0667)
OKLCH	oklch(42.74% 0.151 26.1)
XYZ	xyz(12.1401, 6.8505, 1.8452)
Luminance	0.0685 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C1D #1C908F

analogous

#901C57 #901C1D #90551C

triadic

#901C1D #1D901C #1C1D90

tetradic

#901C1D #57901C #1C908F #551C90

square

#901C1D #57901C #1C908F #551C90

split-complementary

#901C1D #1C9055 #1C5790

monochromatic

#2A0808 #5D1213 #901C1D #C32627 #DC4A4C

Accessibility & contrast

On white

8.86

#901C1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901C1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C1D

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C1D	#FFFFFF	#000000	##FFFFFF
##901C1D	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A1C

Deuteranopia (green-blind)

#5D5318

Tritanopia (blue-blind)

#9F001E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901c1d;
/* rgb */ color: rgb(144, 28, 29);
/* oklch */ color: oklch(42.7% 0.151 26.1);

Tailwind

colors: {
  custom: {
    50: '#b96459',
    500: '#901c1d',
    950: '#000000',
  },
}

SCSS

$custom: #901c1d;
$custom-light: #b96459;
$custom-dark: #000000;

JSON

{
  "hex": "#901c1d",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 29
  },
  "hsl": {
    "h": 359.483,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42743,
    "c": 0.15149,
    "h": 26.1
  },
  "luminance": 0.06849
}

Semantic roles & 50–950 ramp

primary

#901C1D

secondary

#4ABEBD

accent

#EAE93D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901C1D

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

Preview Lab → · Contrast checker → · Palette generator →