#A3453A#A3453A

#A3453A is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.3% C 0.127 H 29.0°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#A3453A
RGB	rgb(163, 69, 58)
HSL	hsl(6, 48%, 43%)
HSV	hsv(6, 64%, 64%)
CMYK	cmyk(0%, 57.7%, 64.4%, 36.1%)
CIE-LAB	lab(41.77, 38.12, 25.95)
CIE-LCH	lch(41.77, 46.11, 34.24°)
OKLab	oklab(51.25% 0.1112 0.0615)
OKLCH	oklch(51.25% 0.127 29)
XYZ	xyz(17.9978, 12.3505, 5.4383)
Luminance	0.1235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3453A #3A98A3

analogous

#A33A63 #A3453A #A3793A

triadic

#A3453A #3AA345 #453AA3

tetradic

#A3453A #63A33A #3A98A3 #793AA3

square

#A3453A #63A33A #3A98A3 #793AA3

split-complementary

#A3453A #3AA379 #3A63A3

monochromatic

#491F1A #76322A #A3453A #C36257 #D38C84

Accessibility & contrast

On white

6.05

#A3453A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#A3453A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3453A

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3453A	#FFFFFF	#000000	##FFFFFF
##A3453A	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5638

Deuteranopia (green-blind)

#746A38

Tritanopia (blue-blind)

#B23343

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #a3453a;
/* rgb */ color: rgb(163, 69, 58);
/* oklch */ color: oklch(51.3% 0.127 29.0);

Tailwind

colors: {
  custom: {
    50: '#c47c70',
    500: '#a3453a',
    950: '#000000',
  },
}

SCSS

$custom: #a3453a;
$custom-light: #c47c70;
$custom-dark: #000000;

JSON

{
  "hex": "#a3453a",
  "rgb": {
    "r": 163,
    "g": 69,
    "b": 58
  },
  "hsl": {
    "h": 6.286,
    "s": 47.511,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51253,
    "c": 0.12707,
    "h": 29
  },
  "luminance": 0.12348
}

Semantic roles & 50–950 ramp

primary

#A3453A

secondary

#7CB6BD

accent

#C9D751

background

#FCF7F6

surface

#F9EEEC

border

#D2C9C7

text

#140A07

muted

#827C7A

Preview Lab

Preview with #A3453A

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

Preview Lab → · Contrast checker → · Palette generator →