#901C1A#901C1A

#901C1A is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.152 H 27.2°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#901C1A
RGB	rgb(144, 28, 26)
HSL	hsl(1, 69%, 33%)
HSV	hsv(1, 82%, 56%)
CMYK	cmyk(0%, 80.6%, 81.9%, 43.5%)
CIE-LAB	lab(31.43, 47.12, 32.19)
CIE-LCH	lch(31.43, 57.06, 34.34°)
OKLab	oklab(42.71% 0.135 0.0695)
OKLCH	oklch(42.71% 0.152 27.2)
XYZ	xyz(12.1048, 6.8363, 1.6593)
Luminance	0.0683 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C1A #1A8E90

analogous

#901A53 #901C1A #90571A

triadic

#901C1A #1A901C #1C1A90

tetradic

#901C1A #53901A #1A8E90 #571A90

square

#901C1A #53901A #1A8E90 #571A90

split-complementary

#901C1A #1A9057 #1A5390

monochromatic

#280807 #5C1211 #901C1A #C42623 #DE4947

Accessibility & contrast

On white

8.87

#901C1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901C1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C1A

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C1A	#FFFFFF	#000000	##FFFFFF
##901C1A	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A18

Deuteranopia (green-blind)

#5D5314

Tritanopia (blue-blind)

#9F001D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901c1a;
/* rgb */ color: rgb(144, 28, 26);
/* oklch */ color: oklch(42.7% 0.152 27.2);

Tailwind

colors: {
  custom: {
    50: '#b96457',
    500: '#901c1a',
    950: '#000000',
  },
}

SCSS

$custom: #901c1a;
$custom-light: #b96457;
$custom-dark: #000000;

JSON

{
  "hex": "#901c1a",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 26
  },
  "hsl": {
    "h": 1.017,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42708,
    "c": 0.15187,
    "h": 27.2
  },
  "luminance": 0.06834
}

Semantic roles & 50–950 ramp

primary

#901C1A

secondary

#47BDBF

accent

#E9EC3C

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901C1A

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

Preview Lab → · Contrast checker → · Palette generator →