#AD312A#AD312A

#AD312A is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.2% C 0.162 H 27.8°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#AD312A
RGB	rgb(173, 49, 42)
HSL	hsl(3, 61%, 42%)
HSV	hsv(3, 76%, 68%)
CMYK	cmyk(0%, 71.7%, 75.7%, 32.2%)
CIE-LAB	lab(40.00, 49.70, 33.73)
CIE-LCH	lch(40.00, 60.06, 34.17°)
OKLab	oklab(50.19% 0.1431 0.0753)
OKLCH	oklch(50.19% 0.162 27.8)
XYZ	xyz(18.7520, 11.2509, 3.3743)
Luminance	0.1125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD312A #2AA6AD

analogous

#AD2A65 #AD312A #AD732A

triadic

#AD312A #2AAD31 #312AAD

tetradic

#AD312A #65AD2A #2AA6AD #732AAD

square

#AD312A #65AD2A #2AA6AD #732AAD

split-complementary

#AD312A #2AAD73 #2A65AD

monochromatic

#4B1512 #7C231E #AD312A #D14A43 #DD7A74

Accessibility & contrast

On white

6.46

#AD312A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AD312A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD312A

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD312A	#FFFFFF	#000000	##FFFFFF
##AD312A	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D28

Deuteranopia (green-blind)

#746825

Tritanopia (blue-blind)

#BF0031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad312a;
/* rgb */ color: rgb(173, 49, 42);
/* oklch */ color: oklch(50.2% 0.162 27.8);

Tailwind

colors: {
  custom: {
    50: '#ce7264',
    500: '#ad312a',
    950: '#000000',
  },
}

SCSS

$custom: #ad312a;
$custom-light: #ce7264;
$custom-dark: #000000;

JSON

{
  "hex": "#ad312a",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 42
  },
  "hsl": {
    "h": 3.206,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50186,
    "c": 0.16168,
    "h": 27.8
  },
  "luminance": 0.11248
}

Semantic roles & 50–950 ramp

primary

#AD312A

secondary

#6EC0C5

accent

#DBE444

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AD312A

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

Preview Lab → · Contrast checker → · Palette generator →