#A3304A#A3304A

#A3304A is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.151 H 11.4°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#A3304A
RGB	rgb(163, 48, 74)
HSL	hsl(346, 55%, 41%)
HSV	hsv(346, 71%, 64%)
CMYK	cmyk(0%, 70.6%, 54.6%, 36.1%)
CIE-LAB	lab(38.55, 48.79, 11.81)
CIE-LCH	lch(38.55, 50.20, 13.61°)
OKLab	oklab(48.94% 0.1477 0.0299)
OKLCH	oklch(48.94% 0.151 11.4)
XYZ	xyz(17.3988, 10.3972, 7.5679)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3304A #30A389

analogous

#A33084 #A3304A #A35030

triadic

#A3304A #4AA330 #304AA3

tetradic

#A3304A #84A330 #30A389 #5030A3

square

#A3304A #84A330 #30A389 #5030A3

split-complementary

#A3304A #30A350 #3084A3

monochromatic

#44141F #742235 #A3304A #C94765 #D7778C

Accessibility & contrast

On white

6.82

#A3304A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A3304A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3304A

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3304A	#FFFFFF	#000000	##FFFFFF
##A3304A	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4C4A

Deuteranopia (green-blind)

#6A6347

Tritanopia (blue-blind)

#B2183A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a3304a;
/* rgb */ color: rgb(163, 48, 74);
/* oklch */ color: oklch(48.9% 0.151 11.4);

Tailwind

colors: {
  custom: {
    50: '#c4717c',
    500: '#a3304a',
    950: '#000000',
  },
}

SCSS

$custom: #a3304a;
$custom-light: #c4717c;
$custom-dark: #000000;

JSON

{
  "hex": "#a3304a",
  "rgb": {
    "r": 163,
    "g": 48,
    "b": 74
  },
  "hsl": {
    "h": 346.435,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48939,
    "c": 0.15064,
    "h": 11.4
  },
  "luminance": 0.10395
}

Semantic roles & 50–950 ramp

primary

#A3304A

secondary

#70BFAD

accent

#DEBC4A

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#140809

muted

#827B7B

Preview Lab

Preview with #A3304A

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

Preview Lab → · Contrast checker → · Palette generator →