#AD291F#AD291F

#AD291F is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.170 H 29.1°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#AD291F
RGB	rgb(173, 41, 31)
HSL	hsl(4, 70%, 40%)
HSV	hsv(4, 82%, 68%)
CMYK	cmyk(0%, 76.3%, 82.1%, 32.2%)
CIE-LAB	lab(38.85, 52.17, 38.69)
CIE-LCH	lch(38.85, 64.95, 36.56°)
OKLab	oklab(49.29% 0.1486 0.0828)
OKLCH	oklch(49.29% 0.17 29.1)
XYZ	xyz(18.2761, 10.5719, 2.3743)
Luminance	0.1057 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD291F #1FA3AD

analogous

#AD1F5C #AD291F #AD701F

triadic

#AD291F #1FAD29 #291FAD

tetradic

#AD291F #5CAD1F #1FA3AD #701FAD

square

#AD291F #5CAD1F #1FA3AD #701FAD

split-complementary

#AD291F #1FAD70 #1F5CAD

monochromatic

#45100C #791D16 #AD291F #DA3B2F #E36C63

Accessibility & contrast

On white

6.74

#AD291F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AD291F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD291F

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD291F	#FFFFFF	#000000	##FFFFFF
##AD291F	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491C

Deuteranopia (green-blind)

#726618

Tritanopia (blue-blind)

#BF0028

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad291f;
/* rgb */ color: rgb(173, 41, 31);
/* oklch */ color: oklch(49.3% 0.170 29.1);

Tailwind

colors: {
  custom: {
    50: '#cf6e5c',
    500: '#ad291f',
    950: '#000000',
  },
}

SCSS

$custom: #ad291f;
$custom-light: #cf6e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#ad291f",
  "rgb": {
    "r": 173,
    "g": 41,
    "b": 31
  },
  "hsl": {
    "h": 4.225,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.49291,
    "c": 0.17007,
    "h": 29.1
  },
  "luminance": 0.10569
}

Semantic roles & 50–950 ramp

primary

#AD291F

secondary

#60C1C8

accent

#E0EC3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD291F

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

Preview Lab → · Contrast checker → · Palette generator →