#AD2A1E#AD2A1E

#AD2A1E is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.169 H 29.7°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#AD2A1E
RGB	rgb(173, 42, 30)
HSL	hsl(5, 70%, 40%)
HSV	hsv(5, 83%, 68%)
CMYK	cmyk(0%, 75.7%, 82.7%, 32.2%)
CIE-LAB	lab(38.96, 51.80, 39.33)
CIE-LCH	lch(38.96, 65.04, 37.21°)
OKLab	oklab(49.37% 0.1472 0.0838)
OKLCH	oklch(49.37% 0.169 29.7)
XYZ	xyz(18.2981, 10.6368, 2.3177)
Luminance	0.1063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2A1E #1EA1AD

analogous

#AD1E5A #AD2A1E #AD721E

triadic

#AD2A1E #1EAD2A #2A1EAD

tetradic

#AD2A1E #5AAD1E #1EA1AD #721EAD

square

#AD2A1E #5AAD1E #1EA1AD #721EAD

split-complementary

#AD2A1E #1EAD72 #1E5AAD

monochromatic

#45110C #791D15 #AD2A1E #DB3C2E #E46D62

Accessibility & contrast

On white

6.72

#AD2A1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AD2A1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A1E

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2A1E	#FFFFFF	#000000	##FFFFFF
##AD2A1E	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491B

Deuteranopia (green-blind)

#736617

Tritanopia (blue-blind)

#BF0029

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2a1e;
/* rgb */ color: rgb(173, 42, 30);
/* oklch */ color: oklch(49.4% 0.169 29.7);

Tailwind

colors: {
  custom: {
    50: '#cf6e5c',
    500: '#ad2a1e',
    950: '#000000',
  },
}

SCSS

$custom: #ad2a1e;
$custom-light: #cf6e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2a1e",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 30
  },
  "hsl": {
    "h": 5.035,
    "s": 70.443,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49372,
    "c": 0.16942,
    "h": 29.7
  },
  "luminance": 0.10634
}

Semantic roles & 50–950 ramp

primary

#AD2A1E

secondary

#5EC0C8

accent

#DEED3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD2A1E

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

Preview Lab → · Contrast checker → · Palette generator →