#A64131#A64131

#A64131 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.0% C 0.137 H 31.3°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#A64131
RGB	rgb(166, 65, 49)
HSL	hsl(8, 54%, 42%)
HSV	hsv(8, 70%, 65%)
CMYK	cmyk(0%, 60.8%, 70.5%, 34.9%)
CIE-LAB	lab(41.39, 40.66, 30.92)
CIE-LCH	lch(41.39, 51.08, 37.25°)
OKLab	oklab(51.03% 0.117 0.0711)
OKLCH	oklch(51.03% 0.137 31.3)
XYZ	xyz(18.1724, 12.1118, 4.2860)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64131 #3196A6

analogous

#A6315C #A64131 #A67C31

triadic

#A64131 #31A641 #4131A6

tetradic

#A64131 #5CA631 #3196A6 #7C31A6

square

#A64131 #5CA631 #3196A6 #7C31A6

split-complementary

#A64131 #31A67C #315CA6

monochromatic

#471C15 #772E23 #A64131 #CA5C4A #D8877A

Accessibility & contrast

On white

6.14

#A64131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#A64131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64131

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64131	#FFFFFF	#000000	##FFFFFF
##A64131	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C542F

Deuteranopia (green-blind)

#756A2E

Tritanopia (blue-blind)

#B62B3E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #a64131;
/* rgb */ color: rgb(166, 65, 49);
/* oklch */ color: oklch(51.0% 0.137 31.3);

Tailwind

colors: {
  custom: {
    50: '#c77a69',
    500: '#a64131',
    950: '#000000',
  },
}

SCSS

$custom: #a64131;
$custom-light: #c77a69;
$custom-dark: #000000;

JSON

{
  "hex": "#a64131",
  "rgb": {
    "r": 166,
    "g": 65,
    "b": 49
  },
  "hsl": {
    "h": 8.205,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51025,
    "c": 0.13692,
    "h": 31.3
  },
  "luminance": 0.12109
}

Semantic roles & 50–950 ramp

primary

#A64131

secondary

#73B6C0

accent

#CADE4A

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A64131

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

Preview Lab → · Contrast checker → · Palette generator →