#AD2B1E#AD2B1E

#AD2B1E is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.169 H 29.9°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B1E
RGB	rgb(173, 43, 30)
HSL	hsl(5, 70%, 40%)
HSV	hsv(5, 83%, 68%)
CMYK	cmyk(0%, 75.1%, 82.7%, 32.2%)
CIE-LAB	lab(39.09, 51.46, 39.45)
CIE-LCH	lch(39.09, 64.84, 37.47°)
OKLab	oklab(49.46% 0.1462 0.0841)
OKLCH	oklch(49.46% 0.169 29.9)
XYZ	xyz(18.3340, 10.7086, 2.3297)
Luminance	0.1071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B1E #1EA0AD

analogous

#AD1E58 #AD2B1E #AD731E

triadic

#AD2B1E #1EAD2B #2B1EAD

tetradic

#AD2B1E #58AD1E #1EA0AD #731EAD

square

#AD2B1E #58AD1E #1EA0AD #731EAD

split-complementary

#AD2B1E #1EAD73 #1E58AD

monochromatic

#45110C #791E15 #AD2B1E #DB3D2E #E46E62

Accessibility & contrast

On white

6.69

#AD2B1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#AD2B1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B1E

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B1E	#FFFFFF	#000000	##FFFFFF
##AD2B1E	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1B

Deuteranopia (green-blind)

#736617

Tritanopia (blue-blind)

#BF0029

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2b1e;
/* rgb */ color: rgb(173, 43, 30);
/* oklch */ color: oklch(49.5% 0.169 29.9);

Tailwind

colors: {
  custom: {
    50: '#cf6f5c',
    500: '#ad2b1e',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b1e;
$custom-light: #cf6f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b1e",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 30
  },
  "hsl": {
    "h": 5.455,
    "s": 70.443,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49464,
    "c": 0.16862,
    "h": 29.9
  },
  "luminance": 0.10706
}

Semantic roles & 50–950 ramp

primary

#AD2B1E

secondary

#5EBFC8

accent

#DDED3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AD2B1E

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

Preview Lab → · Contrast checker → · Palette generator →