#901B15#901B15

#901B15 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.6% C 0.153 H 28.6°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#901B15
RGB	rgb(144, 27, 21)
HSL	hsl(3, 75%, 32%)
HSV	hsv(3, 85%, 56%)
CMYK	cmyk(0%, 81.3%, 85.4%, 43.5%)
CIE-LAB	lab(31.28, 47.27, 34.85)
CIE-LCH	lch(31.28, 58.73, 36.40°)
OKLab	oklab(42.58% 0.1345 0.0734)
OKLCH	oklch(42.58% 0.153 28.6)
XYZ	xyz(12.0304, 6.7693, 1.3825)
Luminance	0.0677 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B15 #158A90

analogous

#90154C #901B15 #905915

triadic

#901B15 #15901B #1B1590

tetradic

#901B15 #4C9015 #158A90 #591590

square

#901B15 #4C9015 #158A90 #591590

split-complementary

#901B15 #159059 #154C90

monochromatic

#250705 #5B110D #901B15 #C5251D #E3453D

Accessibility & contrast

On white

8.92

#901B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B15

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B15	#FFFFFF	#000000	##FFFFFF
##901B15	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413913

Deuteranopia (green-blind)

#5D530E

Tritanopia (blue-blind)

#9F001B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901b15;
/* rgb */ color: rgb(144, 27, 21);
/* oklch */ color: oklch(42.6% 0.153 28.6);

Tailwind

colors: {
  custom: {
    50: '#ba6354',
    500: '#901b15',
    950: '#000000',
  },
}

SCSS

$custom: #901b15;
$custom-light: #ba6354;
$custom-dark: #000000;

JSON

{
  "hex": "#901b15",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 21
  },
  "hsl": {
    "h": 2.927,
    "s": 74.545,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42578,
    "c": 0.15323,
    "h": 28.6
  },
  "luminance": 0.06767
}

Semantic roles & 50–950 ramp

primary

#901B15

secondary

#3EBCC2

accent

#E8F137

background

#FCF6F4

surface

#F8EBE7

border

#D1C6C3

text

#130603

muted

#827A78

Preview Lab

Preview with #901B15

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

Preview Lab → · Contrast checker → · Palette generator →