#AD3F1F#AD3F1F

#AD3F1F is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.7% C 0.151 H 36.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#AD3F1F
RGB	rgb(173, 63, 31)
HSL	hsl(14, 70%, 40%)
HSV	hsv(14, 82%, 68%)
CMYK	cmyk(0%, 63.6%, 82.1%, 32.2%)
CIE-LAB	lab(42.06, 43.41, 41.77)
CIE-LCH	lch(42.06, 60.24, 43.90°)
OKLab	oklab(51.7% 0.1214 0.0896)
OKLCH	oklch(51.7% 0.151 36.4)
XYZ	xyz(19.2606, 12.5410, 2.7025)
Luminance	0.1254 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3F1F #1F8DAD

analogous

#AD1F46 #AD3F1F #AD861F

triadic

#AD3F1F #1FAD3F #3F1FAD

tetradic

#AD3F1F #46AD1F #1F8DAD #861FAD

square

#AD3F1F #46AD1F #1F8DAD #861FAD

split-complementary

#AD3F1F #1FAD86 #1F46AD

monochromatic

#45190C #792C16 #AD3F1F #DA562F #E38063

Accessibility & contrast

On white

5.99

#AD3F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#AD3F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3F1F

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3F1F	#FFFFFF	#000000	##FFFFFF
##AD3F1F	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E541A

Deuteranopia (green-blind)

#7A6C1A

Tritanopia (blue-blind)

#BF2139

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ad3f1f;
/* rgb */ color: rgb(173, 63, 31);
/* oklch */ color: oklch(51.7% 0.151 36.4);

Tailwind

colors: {
  custom: {
    50: '#ce795d',
    500: '#ad3f1f',
    950: '#000000',
  },
}

SCSS

$custom: #ad3f1f;
$custom-light: #ce795d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3f1f",
  "rgb": {
    "r": 173,
    "g": 63,
    "b": 31
  },
  "hsl": {
    "h": 13.521,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.517,
    "c": 0.15084,
    "h": 36.4
  },
  "luminance": 0.12538
}

Semantic roles & 50–950 ramp

primary

#AD3F1F

secondary

#60B1C8

accent

#C5EC3B

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3F1F

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

Preview Lab → · Contrast checker → · Palette generator →