#A6312B#A6312B

#A6312B is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.154 H 27.3°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A6312B
RGB	rgb(166, 49, 43)
HSL	hsl(3, 59%, 41%)
HSV	hsv(3, 74%, 65%)
CMYK	cmyk(0%, 70.5%, 74.1%, 34.9%)
CIE-LAB	lab(38.69, 47.41, 31.32)
CIE-LCH	lch(38.69, 56.83, 33.45°)
OKLab	oklab(48.97% 0.1369 0.0707)
OKLCH	oklch(48.97% 0.154 27.3)
XYZ	xyz(17.2622, 10.4806, 3.3990)
Luminance	0.1048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6312B #2BA0A6

analogous

#A62B62 #A6312B #A66E2B

triadic

#A6312B #2BA631 #312BA6

tetradic

#A6312B #62A62B #2BA0A6 #6E2BA6

square

#A6312B #62A62B #2BA0A6 #6E2BA6

split-complementary

#A6312B #2BA66E #2B62A6

monochromatic

#451412 #75231E #A6312B #CE4741 #DA7671

Accessibility & contrast

On white

6.78

#A6312B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A6312B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6312B

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6312B	#FFFFFF	#000000	##FFFFFF
##A6312B	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B29

Deuteranopia (green-blind)

#706427

Tritanopia (blue-blind)

#B70731

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a6312b;
/* rgb */ color: rgb(166, 49, 43);
/* oklch */ color: oklch(49.0% 0.154 27.3);

Tailwind

colors: {
  custom: {
    50: '#c87165',
    500: '#a6312b',
    950: '#000000',
  },
}

SCSS

$custom: #a6312b;
$custom-light: #c87165;
$custom-dark: #000000;

JSON

{
  "hex": "#a6312b",
  "rgb": {
    "r": 166,
    "g": 49,
    "b": 43
  },
  "hsl": {
    "h": 2.927,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4897,
    "c": 0.15414,
    "h": 27.3
  },
  "luminance": 0.10478
}

Semantic roles & 50–950 ramp

primary

#A6312B

secondary

#6BBDC1

accent

#DAE246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #A6312B

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

Preview Lab → · Contrast checker → · Palette generator →