#AD2A1F#AD2A1F

#AD2A1F is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.169 H 29.4°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#AD2A1F
RGB	rgb(173, 42, 31)
HSL	hsl(5, 70%, 40%)
HSV	hsv(5, 82%, 68%)
CMYK	cmyk(0%, 75.7%, 82.1%, 32.2%)
CIE-LAB	lab(38.97, 51.83, 38.81)
CIE-LCH	lch(38.97, 64.75, 36.82°)
OKLab	oklab(49.38% 0.1475 0.083)
OKLCH	oklch(49.38% 0.169 29.4)
XYZ	xyz(18.3111, 10.6420, 2.3860)
Luminance	0.1064 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2A1F #1FA2AD

analogous

#AD1F5B #AD2A1F #AD711F

triadic

#AD2A1F #1FAD2A #2A1FAD

tetradic

#AD2A1F #5BAD1F #1FA2AD #711FAD

square

#AD2A1F #5BAD1F #1FA2AD #711FAD

split-complementary

#AD2A1F #1FAD71 #1F5BAD

monochromatic

#45110C #791D16 #AD2A1F #DA3D2F #E36D63

Accessibility & contrast

On white

6.71

#AD2A1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AD2A1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A1F

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2A1F	#FFFFFF	#000000	##FFFFFF
##AD2A1F	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491C

Deuteranopia (green-blind)

#736618

Tritanopia (blue-blind)

#BF0029

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2a1f;
/* rgb */ color: rgb(173, 42, 31);
/* oklch */ color: oklch(49.4% 0.169 29.4);

Tailwind

colors: {
  custom: {
    50: '#cf6e5c',
    500: '#ad2a1f',
    950: '#000000',
  },
}

SCSS

$custom: #ad2a1f;
$custom-light: #cf6e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2a1f",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 31
  },
  "hsl": {
    "h": 4.648,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.49381,
    "c": 0.16927,
    "h": 29.4
  },
  "luminance": 0.10639
}

Semantic roles & 50–950 ramp

primary

#AD2A1F

secondary

#60C0C8

accent

#DFEC3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD2A1F

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

Preview Lab → · Contrast checker → · Palette generator →