#AD371E#AD371E

#AD371E is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.158 H 33.6°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#AD371E
RGB	rgb(173, 55, 30)
HSL	hsl(10, 70%, 40%)
HSV	hsv(10, 83%, 68%)
CMYK	cmyk(0%, 68.2%, 82.7%, 32.2%)
CIE-LAB	lab(40.76, 46.87, 41.03)
CIE-LCH	lch(40.76, 62.29, 41.20°)
OKLab	oklab(50.72% 0.1319 0.0876)
OKLCH	oklch(50.72% 0.158 33.6)
XYZ	xyz(18.8363, 11.7132, 2.4971)
Luminance	0.1171 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD371E #1E94AD

analogous

#AD1E4C #AD371E #AD7F1E

triadic

#AD371E #1EAD37 #371EAD

tetradic

#AD371E #4CAD1E #1E94AD #7F1EAD

square

#AD371E #4CAD1E #1E94AD #7F1EAD

split-complementary

#AD371E #1EAD7F #1E4CAD

monochromatic

#45160C #792615 #AD371E #DB4C2E #E47862

Accessibility & contrast

On white

6.28

#AD371E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AD371E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD371E

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD371E	#FFFFFF	#000000	##FFFFFF
##AD371E	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F1A

Deuteranopia (green-blind)

#776A18

Tritanopia (blue-blind)

#BF0F32

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad371e;
/* rgb */ color: rgb(173, 55, 30);
/* oklch */ color: oklch(50.7% 0.158 33.6);

Tailwind

colors: {
  custom: {
    50: '#ce745c',
    500: '#ad371e',
    950: '#000000',
  },
}

SCSS

$custom: #ad371e;
$custom-light: #ce745c;
$custom-dark: #000000;

JSON

{
  "hex": "#ad371e",
  "rgb": {
    "r": 173,
    "g": 55,
    "b": 30
  },
  "hsl": {
    "h": 10.49,
    "s": 70.443,
    "l": 39.804
  },
  "oklch": {
    "l": 0.50715,
    "c": 0.15832,
    "h": 33.6
  },
  "luminance": 0.1171
}

Semantic roles & 50–950 ramp

primary

#AD371E

secondary

#5EB6C8

accent

#CEED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD371E

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

Preview Lab → · Contrast checker → · Palette generator →