#901C18#901C18

#901C18 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.152 H 27.9°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#901C18
RGB	rgb(144, 28, 24)
HSL	hsl(2, 71%, 33%)
HSV	hsv(2, 83%, 56%)
CMYK	cmyk(0%, 80.6%, 83.3%, 43.5%)
CIE-LAB	lab(31.41, 47.05, 33.32)
CIE-LCH	lch(31.41, 57.65, 35.30°)
OKLab	oklab(42.69% 0.1344 0.0712)
OKLCH	oklch(42.69% 0.152 27.9)
XYZ	xyz(12.0832, 6.8277, 1.5456)
Luminance	0.0683 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C18 #188C90

analogous

#901850 #901C18 #905818

triadic

#901C18 #18901C #1C1890

tetradic

#901C18 #509018 #188C90 #581890

square

#901C18 #509018 #188C90 #581890

split-complementary

#901C18 #189058 #185090

monochromatic

#270807 #5C120F #901C18 #C42621 #E04843

Accessibility & contrast

On white

8.88

#901C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C18

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C18	#FFFFFF	#000000	##FFFFFF
##901C18	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A16

Deuteranopia (green-blind)

#5D5312

Tritanopia (blue-blind)

#9F001D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901c18;
/* rgb */ color: rgb(144, 28, 24);
/* oklch */ color: oklch(42.7% 0.152 27.9);

Tailwind

colors: {
  custom: {
    50: '#b96456',
    500: '#901c18',
    950: '#000000',
  },
}

SCSS

$custom: #901c18;
$custom-light: #b96456;
$custom-dark: #000000;

JSON

{
  "hex": "#901c18",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 24
  },
  "hsl": {
    "h": 2,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42687,
    "c": 0.15212,
    "h": 27.9
  },
  "luminance": 0.06826
}

Semantic roles & 50–950 ramp

primary

#901C18

secondary

#43BCC0

accent

#E8EE3A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901C18

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

Preview Lab → · Contrast checker → · Palette generator →