#A3263A#A3263A

#A3263A is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.6% C 0.160 H 17.3°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A3263A
RGB	rgb(163, 38, 58)
HSL	hsl(350, 62%, 39%)
HSV	hsv(350, 77%, 64%)
CMYK	cmyk(0%, 76.7%, 64.4%, 36.1%)
CIE-LAB	lab(36.89, 51.29, 19.77)
CIE-LCH	lch(36.89, 54.96, 21.08°)
OKLab	oklab(47.6% 0.1529 0.0475)
OKLCH	oklch(47.6% 0.16 17.3)
XYZ	xyz(16.5628, 9.4807, 4.9600)
Luminance	0.0948 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3263A #26A38F

analogous

#A32679 #A3263A #A35126

triadic

#A3263A #3AA326 #263AA3

tetradic

#A3263A #79A326 #26A38F #5126A3

square

#A3263A #79A326 #26A38F #5126A3

split-complementary

#A3263A #26A351 #2679A3

monochromatic

#400F17 #711A28 #A3263A #D0364F #DC687A

Accessibility & contrast

On white

7.25

#A3263A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A3263A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3263A

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3263A	#FFFFFF	#000000	##FFFFFF
##A3263A	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49463A

Deuteranopia (green-blind)

#696036

Tritanopia (blue-blind)

#B3002F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a3263a;
/* rgb */ color: rgb(163, 38, 58);
/* oklch */ color: oklch(47.6% 0.160 17.3);

Tailwind

colors: {
  custom: {
    50: '#c56c70',
    500: '#a3263a',
    950: '#000000',
  },
}

SCSS

$custom: #a3263a;
$custom-light: #c56c70;
$custom-dark: #000000;

JSON

{
  "hex": "#a3263a",
  "rgb": {
    "r": 163,
    "g": 38,
    "b": 58
  },
  "hsl": {
    "h": 350.4,
    "s": 62.189,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47602,
    "c": 0.1601,
    "h": 17.3
  },
  "luminance": 0.09478
}

Semantic roles & 50–950 ramp

primary

#A3263A

secondary

#63C2B3

accent

#E5CB43

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A3263A

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

Preview Lab → · Contrast checker → · Palette generator →