#A3253B#A3253B

#A3253B is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.161 H 16.6°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#A3253B
RGB	rgb(163, 37, 59)
HSL	hsl(350, 63%, 39%)
HSV	hsv(350, 77%, 64%)
CMYK	cmyk(0%, 77.3%, 63.8%, 36.1%)
CIE-LAB	lab(36.80, 51.68, 19.00)
CIE-LCH	lch(36.80, 55.06, 20.19°)
OKLab	oklab(47.54% 0.1543 0.0459)
OKLCH	oklch(47.54% 0.161 16.6)
XYZ	xyz(16.5570, 9.4279, 5.0848)
Luminance	0.0943 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3253B #25A38D

analogous

#A3257A #A3253B #A34E25

triadic

#A3253B #3BA325 #253BA3

tetradic

#A3253B #7AA325 #25A38D #4E25A3

square

#A3253B #7AA325 #25A38D #4E25A3

split-complementary

#A3253B #25A34E #257AA3

monochromatic

#3F0E17 #711A29 #A3253B #D13450 #DC667B

Accessibility & contrast

On white

7.28

#A3253B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A3253B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3253B

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3253B	#FFFFFF	#000000	##FFFFFF
##A3253B	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49463B

Deuteranopia (green-blind)

#696037

Tritanopia (blue-blind)

#B3002E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a3253b;
/* rgb */ color: rgb(163, 37, 59);
/* oklch */ color: oklch(47.5% 0.161 16.6);

Tailwind

colors: {
  custom: {
    50: '#c56b70',
    500: '#a3253b',
    950: '#000000',
  },
}

SCSS

$custom: #a3253b;
$custom-light: #c56b70;
$custom-dark: #000000;

JSON

{
  "hex": "#a3253b",
  "rgb": {
    "r": 163,
    "g": 37,
    "b": 59
  },
  "hsl": {
    "h": 349.524,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47535,
    "c": 0.16101,
    "h": 16.6
  },
  "luminance": 0.09425
}

Semantic roles & 50–950 ramp

primary

#A3253B

secondary

#62C2B1

accent

#E6C942

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A3253B

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

Preview Lab → · Contrast checker → · Palette generator →