#901C17#901C17

#901C17 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.152 H 28.3°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#901C17
RGB	rgb(144, 28, 23)
HSL	hsl(2, 72%, 33%)
HSV	hsv(2, 84%, 56%)
CMYK	cmyk(0%, 80.6%, 84%, 43.5%)
CIE-LAB	lab(31.40, 47.02, 33.87)
CIE-LCH	lch(31.40, 57.95, 35.76°)
OKLab	oklab(42.68% 0.1341 0.0721)
OKLCH	oklch(42.68% 0.152 28.3)
XYZ	xyz(12.0730, 6.8236, 1.4919)
Luminance	0.0682 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C17 #178B90

analogous

#90174F #901C17 #905817

triadic

#901C17 #17901C #1C1790

tetradic

#901C17 #4F9017 #178B90 #581790

square

#901C17 #4F9017 #178B90 #581790

split-complementary

#901C17 #179058 #174F90

monochromatic

#260706 #5B120F #901C17 #C5261F #E14741

Accessibility & contrast

On white

8.88

#901C17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#901C17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C17

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C17	#FFFFFF	#000000	##FFFFFF
##901C17	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A15

Deuteranopia (green-blind)

#5D5311

Tritanopia (blue-blind)

#9F001D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901c17;
/* rgb */ color: rgb(144, 28, 23);
/* oklch */ color: oklch(42.7% 0.152 28.3);

Tailwind

colors: {
  custom: {
    50: '#ba6455',
    500: '#901c17',
    950: '#000000',
  },
}

SCSS

$custom: #901c17;
$custom-light: #ba6455;
$custom-dark: #000000;

JSON

{
  "hex": "#901c17",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 23
  },
  "hsl": {
    "h": 2.479,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42677,
    "c": 0.15224,
    "h": 28.3
  },
  "luminance": 0.06822
}

Semantic roles & 50–950 ramp

primary

#901C17

secondary

#42BCC1

accent

#E8EF39

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901C17

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

Preview Lab → · Contrast checker → · Palette generator →