#AD372B#AD372B

#AD372B is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.9% C 0.156 H 29.4°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#AD372B
RGB	rgb(173, 55, 43)
HSL	hsl(6, 60%, 42%)
HSV	hsv(6, 75%, 68%)
CMYK	cmyk(0%, 68.2%, 75.1%, 32.2%)
CIE-LAB	lab(40.89, 47.35, 34.13)
CIE-LCH	lch(40.89, 58.37, 35.79°)
OKLab	oklab(50.85% 0.1359 0.0764)
OKLCH	oklch(50.85% 0.156 29.4)
XYZ	xyz(19.0379, 11.7938, 3.5590)
Luminance	0.1179 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD372B #2BA1AD

analogous

#AD2B60 #AD372B #AD782B

triadic

#AD372B #2BAD37 #372BAD

tetradic

#AD372B #60AD2B #2BA1AD #782BAD

square

#AD372B #60AD2B #2BA1AD #782BAD

split-complementary

#AD372B #2BAD78 #2B60AD

monochromatic

#4B1813 #7C271F #AD372B #D15145 #DD7F76

Accessibility & contrast

On white

6.25

#AD372B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#AD372B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD372B

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD372B	#FFFFFF	#000000	##FFFFFF
##AD372B	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595029

Deuteranopia (green-blind)

#766A27

Tritanopia (blue-blind)

#BE1335

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad372b;
/* rgb */ color: rgb(173, 55, 43);
/* oklch */ color: oklch(50.9% 0.156 29.4);

Tailwind

colors: {
  custom: {
    50: '#cd7565',
    500: '#ad372b',
    950: '#000000',
  },
}

SCSS

$custom: #ad372b;
$custom-light: #cd7565;
$custom-dark: #000000;

JSON

{
  "hex": "#ad372b",
  "rgb": {
    "r": 173,
    "g": 55,
    "b": 43
  },
  "hsl": {
    "h": 5.538,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50853,
    "c": 0.15592,
    "h": 29.4
  },
  "luminance": 0.11791
}

Semantic roles & 50–950 ramp

primary

#AD372B

secondary

#6FBDC4

accent

#D5E344

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AD372B

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

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