#901C1C#901C1C

#901C1C is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.152 H 26.5°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#901C1C
RGB	rgb(144, 28, 28)
HSL	hsl(0, 67%, 34%)
HSV	hsv(0, 81%, 56%)
CMYK	cmyk(0%, 80.6%, 80.6%, 43.5%)
CIE-LAB	lab(31.45, 47.18, 31.05)
CIE-LCH	lch(31.45, 56.48, 33.34°)
OKLab	oklab(42.73% 0.1357 0.0677)
OKLCH	oklch(42.73% 0.152 26.5)
XYZ	xyz(12.1279, 6.8456, 1.7811)
Luminance	0.0684 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C1C #1C9090

analogous

#901C56 #901C1C #90561C

triadic

#901C1C #1C901C #1C1C90

tetradic

#901C1C #56901C #1C9090 #561C90

square

#901C1C #56901C #1C9090 #561C90

split-complementary

#901C1C #1C9056 #1C5690

monochromatic

#2A0808 #5D1212 #901C1C #C32626 #DC4A4A

Accessibility & contrast

On white

8.87

#901C1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901C1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C1C

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C1C	#FFFFFF	#000000	##FFFFFF
##901C1C	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)

#413A1A

Deuteranopia (green-blind)

#5D5317

Tritanopia (blue-blind)

#9F001E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901c1c;
/* rgb */ color: rgb(144, 28, 28);
/* oklch */ color: oklch(42.7% 0.152 26.5);

Tailwind

colors: {
  custom: {
    50: '#b96459',
    500: '#901c1c',
    950: '#000000',
  },
}

SCSS

$custom: #901c1c;
$custom-light: #b96459;
$custom-dark: #000000;

JSON

{
  "hex": "#901c1c",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 28
  },
  "hsl": {
    "h": 0,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42731,
    "c": 0.15161,
    "h": 26.5
  },
  "luminance": 0.06844
}

Semantic roles & 50–950 ramp

primary

#901C1C

secondary

#4ABEBE

accent

#EAEA3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901C1C

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

Preview Lab → · Contrast checker → · Palette generator →