#A3302A#A3302A

#A3302A is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.3% C 0.152 H 27.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#A3302A
RGB	rgb(163, 48, 42)
HSL	hsl(3, 59%, 40%)
HSV	hsv(3, 74%, 64%)
CMYK	cmyk(0%, 70.6%, 74.2%, 36.1%)
CIE-LAB	lab(37.97, 46.76, 30.94)
CIE-LCH	lch(37.97, 56.07, 33.49°)
OKLab	oklab(48.32% 0.135 0.0699)
OKLCH	oklch(48.32% 0.152 27.4)
XYZ	xyz(16.5810, 10.0701, 3.2607)
Luminance	0.1007 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3302A #2A9DA3

analogous

#A32A61 #A3302A #A36C2A

triadic

#A3302A #2AA330 #302AA3

tetradic

#A3302A #61A32A #2A9DA3 #6C2AA3

square

#A3302A #61A32A #2A9DA3 #6C2AA3

split-complementary

#A3302A #2AA36C #2A61A3

monochromatic

#421311 #72221D #A3302A #CD443D #DA736E

Accessibility & contrast

On white

6.97

#A3302A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A3302A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3302A

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3302A	#FFFFFF	#000000	##FFFFFF
##A3302A	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514928

Deuteranopia (green-blind)

#6E6326

Tritanopia (blue-blind)

#B30730

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a3302a;
/* rgb */ color: rgb(163, 48, 42);
/* oklch */ color: oklch(48.3% 0.152 27.4);

Tailwind

colors: {
  custom: {
    50: '#c67064',
    500: '#a3302a',
    950: '#000000',
  },
}

SCSS

$custom: #a3302a;
$custom-light: #c67064;
$custom-dark: #000000;

JSON

{
  "hex": "#a3302a",
  "rgb": {
    "r": 163,
    "g": 48,
    "b": 42
  },
  "hsl": {
    "h": 2.975,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48321,
    "c": 0.15204,
    "h": 27.4
  },
  "luminance": 0.10068
}

Semantic roles & 50–950 ramp

primary

#A3302A

secondary

#68BCC0

accent

#DAE246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140805

muted

#837B7A

Preview Lab

Preview with #A3302A

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

Preview Lab → · Contrast checker → · Palette generator →