#901B19#901B19

#901B19 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.6% C 0.153 H 27.3°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#901B19
RGB	rgb(144, 27, 25)
HSL	hsl(1, 70%, 33%)
HSV	hsv(1, 83%, 56%)
CMYK	cmyk(0%, 81.3%, 82.6%, 43.5%)
CIE-LAB	lab(31.31, 47.39, 32.65)
CIE-LCH	lch(31.31, 57.55, 34.57°)
OKLab	oklab(42.62% 0.1357 0.0701)
OKLCH	oklch(42.62% 0.153 27.3)
XYZ	xyz(12.0705, 6.7853, 1.5937)
Luminance	0.0678 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B19 #198E90

analogous

#901953 #901B19 #905619

triadic

#901B19 #19901B #1B1990

tetradic

#901B19 #539019 #198E90 #561990

square

#901B19 #539019 #198E90 #561990

split-complementary

#901B19 #199056 #195390

monochromatic

#280707 #5C1110 #901B19 #C42522 #DF4745

Accessibility & contrast

On white

8.91

#901B19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#901B19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B19

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B19	#FFFFFF	#000000	##FFFFFF
##901B19	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403917

Deuteranopia (green-blind)

#5D5313

Tritanopia (blue-blind)

#9F001C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901b19;
/* rgb */ color: rgb(144, 27, 25);
/* oklch */ color: oklch(42.6% 0.153 27.3);

Tailwind

colors: {
  custom: {
    50: '#b96456',
    500: '#901b19',
    950: '#000000',
  },
}

SCSS

$custom: #901b19;
$custom-light: #b96456;
$custom-dark: #000000;

JSON

{
  "hex": "#901b19",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 25
  },
  "hsl": {
    "h": 1.008,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42617,
    "c": 0.15273,
    "h": 27.3
  },
  "luminance": 0.06783
}

Semantic roles & 50–950 ramp

primary

#901B19

secondary

#45BEC0

accent

#EAED3B

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #901B19

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

Preview Lab → · Contrast checker → · Palette generator →