#A64431#A64431

#A64431 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.4% C 0.134 H 32.8°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#A64431
RGB	rgb(166, 68, 49)
HSL	hsl(10, 54%, 42%)
HSV	hsv(10, 70%, 65%)
CMYK	cmyk(0%, 59%, 70.5%, 34.9%)
CIE-LAB	lab(41.95, 39.21, 31.56)
CIE-LCH	lch(41.95, 50.33, 38.83°)
OKLab	oklab(51.44% 0.1125 0.0725)
OKLCH	oklch(51.44% 0.134 32.8)
XYZ	xyz(18.3492, 12.4654, 4.3450)
Luminance	0.1246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64431 #3193A6

analogous

#A63158 #A64431 #A67F31

triadic

#A64431 #31A644 #4431A6

tetradic

#A64431 #58A631 #3193A6 #7F31A6

square

#A64431 #58A631 #3193A6 #7F31A6

split-complementary

#A64431 #31A67F #3158A6

monochromatic

#471D15 #773123 #A64431 #CA5F4A #D8897A

Accessibility & contrast

On white

6.01

#A64431 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#A64431 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64431

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64431	#FFFFFF	#000000	##FFFFFF
##A64431	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E562F

Deuteranopia (green-blind)

#776B2E

Tritanopia (blue-blind)

#B62F40

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #a64431;
/* rgb */ color: rgb(166, 68, 49);
/* oklch */ color: oklch(51.4% 0.134 32.8);

Tailwind

colors: {
  custom: {
    50: '#c77b6a',
    500: '#a64431',
    950: '#000000',
  },
}

SCSS

$custom: #a64431;
$custom-light: #c77b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#a64431",
  "rgb": {
    "r": 166,
    "g": 68,
    "b": 49
  },
  "hsl": {
    "h": 9.744,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51443,
    "c": 0.13384,
    "h": 32.8
  },
  "luminance": 0.12463
}

Semantic roles & 50–950 ramp

primary

#A64431

secondary

#73B4C0

accent

#C6DE4A

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140A06

muted

#837C7A

Preview Lab

Preview with #A64431

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

Preview Lab → · Contrast checker → · Palette generator →