#AD312D#AD312D

#AD312D is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.161 H 26.6°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#AD312D
RGB	rgb(173, 49, 45)
HSL	hsl(2, 59%, 43%)
HSV	hsv(2, 74%, 68%)
CMYK	cmyk(0%, 71.7%, 74%, 32.2%)
CIE-LAB	lab(40.04, 49.83, 32.02)
CIE-LCH	lch(40.04, 59.23, 32.73°)
OKLab	oklab(50.22% 0.1441 0.0723)
OKLCH	oklch(50.22% 0.161 26.6)
XYZ	xyz(18.8077, 11.2732, 3.6677)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD312D #2DA9AD

analogous

#AD2D69 #AD312D #AD712D

triadic

#AD312D #2DAD31 #312DAD

tetradic

#AD312D #69AD2D #2DA9AD #712DAD

square

#AD312D #69AD2D #2DA9AD #712DAD

split-complementary

#AD312D #2DAD71 #2D69AD

monochromatic

#4C1514 #7C2320 #AD312D #CF4C48 #DC7C78

Accessibility & contrast

On white

6.45

#AD312D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#AD312D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD312D

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD312D	#FFFFFF	#000000	##FFFFFF
##AD312D	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D2B

Deuteranopia (green-blind)

#746829

Tritanopia (blue-blind)

#BE0031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad312d;
/* rgb */ color: rgb(173, 49, 45);
/* oklch */ color: oklch(50.2% 0.161 26.6);

Tailwind

colors: {
  custom: {
    50: '#ce7266',
    500: '#ad312d',
    950: '#000000',
  },
}

SCSS

$custom: #ad312d;
$custom-light: #ce7266;
$custom-dark: #000000;

JSON

{
  "hex": "#ad312d",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 45
  },
  "hsl": {
    "h": 1.875,
    "s": 58.716,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50225,
    "c": 0.16123,
    "h": 26.6
  },
  "luminance": 0.1127
}

Semantic roles & 50–950 ramp

primary

#AD312D

secondary

#72C1C4

accent

#DDE246

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AD312D

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

Preview Lab → · Contrast checker → · Palette generator →