#AD3B1F#AD3B1F

#AD3B1F is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.2% C 0.155 H 34.8°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#AD3B1F
RGB	rgb(173, 59, 31)
HSL	hsl(12, 70%, 40%)
HSV	hsv(12, 82%, 68%)
CMYK	cmyk(0%, 65.9%, 82.1%, 32.2%)
CIE-LAB	lab(41.40, 45.20, 41.14)
CIE-LCH	lch(41.40, 61.11, 42.31°)
OKLab	oklab(51.2% 0.1269 0.0882)
OKLCH	oklch(51.2% 0.155 34.8)
XYZ	xyz(19.0470, 12.1139, 2.6313)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3B1F #1F91AD

analogous

#AD1F4A #AD3B1F #AD821F

triadic

#AD3B1F #1FAD3B #3B1FAD

tetradic

#AD3B1F #4AAD1F #1F91AD #821FAD

square

#AD3B1F #4AAD1F #1F91AD #821FAD

split-complementary

#AD3B1F #1FAD82 #1F4AAD

monochromatic

#45180C #792916 #AD3B1F #DA512F #E37C63

Accessibility & contrast

On white

6.14

#AD3B1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#AD3B1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3B1F

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3B1F	#FFFFFF	#000000	##FFFFFF
##AD3B1F	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521B

Deuteranopia (green-blind)

#786B1A

Tritanopia (blue-blind)

#BF1936

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ad3b1f;
/* rgb */ color: rgb(173, 59, 31);
/* oklch */ color: oklch(51.2% 0.155 34.8);

Tailwind

colors: {
  custom: {
    50: '#ce775d',
    500: '#ad3b1f',
    950: '#000000',
  },
}

SCSS

$custom: #ad3b1f;
$custom-light: #ce775d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3b1f",
  "rgb": {
    "r": 173,
    "g": 59,
    "b": 31
  },
  "hsl": {
    "h": 11.831,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.51198,
    "c": 0.15451,
    "h": 34.8
  },
  "luminance": 0.12111
}

Semantic roles & 50–950 ramp

primary

#AD3B1F

secondary

#60B4C8

accent

#CAEC3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3B1F

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

Preview Lab → · Contrast checker → · Palette generator →