#A8313A#A8313A

#A8313A is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.155 H 20.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A8313A
RGB	rgb(168, 49, 58)
HSL	hsl(355, 55%, 43%)
HSV	hsv(355, 71%, 66%)
CMYK	cmyk(0%, 70.8%, 65.5%, 34.1%)
CIE-LAB	lab(39.29, 48.87, 23.03)
CIE-LCH	lch(39.29, 54.03, 25.23°)
OKLab	oklab(49.56% 0.1445 0.0548)
OKLCH	oklch(49.56% 0.155 20.8)
XYZ	xyz(18.0124, 10.8295, 5.1440)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A8313A #31A89F

analogous

#A83176 #A8313A #A86331

triadic

#A8313A #3AA831 #313AA8

tetradic

#A8313A #76A831 #31A89F #6331A8

square

#A8313A #76A831 #31A89F #6331A8

split-complementary

#A8313A #31A863 #3176A8

monochromatic

#491519 #79232A #A8313A #CB4C55 #D87B82

Accessibility & contrast

On white

6.63

#A8313A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A8313A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A8313A

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A8313A	#FFFFFF	#000000	##FFFFFF
##A8313A	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C39

Deuteranopia (green-blind)

#706637

Tritanopia (blue-blind)

#B80D35

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a8313a;
/* rgb */ color: rgb(168, 49, 58);
/* oklch */ color: oklch(49.6% 0.155 20.8);

Tailwind

colors: {
  custom: {
    50: '#c97170',
    500: '#a8313a',
    950: '#000000',
  },
}

SCSS

$custom: #a8313a;
$custom-light: #c97170;
$custom-dark: #000000;

JSON

{
  "hex": "#a8313a",
  "rgb": {
    "r": 168,
    "g": 49,
    "b": 58
  },
  "hsl": {
    "h": 355.462,
    "s": 54.839,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4956,
    "c": 0.15453,
    "h": 20.8
  },
  "luminance": 0.10827
}

Semantic roles & 50–950 ramp

primary

#A8313A

secondary

#74C1BB

accent

#DED34A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A8313A

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

Preview Lab → · Contrast checker → · Palette generator →