#901D15#901D15

#901D15 is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.7% C 0.152 H 29.1°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#901D15
RGB	rgb(144, 29, 21)
HSL	hsl(4, 75%, 32%)
HSV	hsv(4, 85%, 56%)
CMYK	cmyk(0%, 79.9%, 85.4%, 43.5%)
CIE-LAB	lab(31.50, 46.65, 35.05)
CIE-LCH	lch(31.50, 58.35, 36.92°)
OKLab	oklab(42.74% 0.1326 0.0739)
OKLCH	oklch(42.74% 0.152 29.1)
XYZ	xyz(12.0778, 6.8641, 1.3983)
Luminance	0.0686 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901D15 #158890

analogous

#90154B #901D15 #905A15

triadic

#901D15 #15901D #1D1590

tetradic

#901D15 #4B9015 #158890 #5A1590

square

#901D15 #4B9015 #158890 #5A1590

split-complementary

#901D15 #15905A #154B90

monochromatic

#250705 #5B120D #901D15 #C5281D #E3483D

Accessibility & contrast

On white

8.85

#901D15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901D15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901D15

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901D15	#FFFFFF	#000000	##FFFFFF
##901D15	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A12

Deuteranopia (green-blind)

#5E530E

Tritanopia (blue-blind)

#9F001D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901d15;
/* rgb */ color: rgb(144, 29, 21);
/* oklch */ color: oklch(42.7% 0.152 29.1);

Tailwind

colors: {
  custom: {
    50: '#ba6454',
    500: '#901d15',
    950: '#000000',
  },
}

SCSS

$custom: #901d15;
$custom-light: #ba6454;
$custom-dark: #000000;

JSON

{
  "hex": "#901d15",
  "rgb": {
    "r": 144,
    "g": 29,
    "b": 21
  },
  "hsl": {
    "h": 3.902,
    "s": 74.545,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42741,
    "c": 0.15175,
    "h": 29.1
  },
  "luminance": 0.06862
}

Semantic roles & 50–950 ramp

primary

#901D15

secondary

#3EBAC2

accent

#E5F137

background

#FCF6F4

surface

#F8EBE7

border

#D1C6C3

text

#130603

muted

#827A78

Preview Lab

Preview with #901D15

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

Preview Lab → · Contrast checker → · Palette generator →