#A3283C#A3283C

#A3283C is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.158 H 16.8°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#A3283C
RGB	rgb(163, 40, 60)
HSL	hsl(350, 61%, 40%)
HSV	hsv(350, 75%, 64%)
CMYK	cmyk(0%, 75.5%, 63.2%, 36.1%)
CIE-LAB	lab(37.18, 50.73, 18.86)
CIE-LCH	lch(37.18, 54.13, 20.40°)
OKLab	oklab(47.82% 0.1515 0.0457)
OKLCH	oklch(47.82% 0.158 16.8)
XYZ	xyz(16.6804, 9.6328, 5.2551)
Luminance	0.0963 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3283C #28A38F

analogous

#A32879 #A3283C #A35228

triadic

#A3283C #3CA328 #283CA3

tetradic

#A3283C #79A328 #28A38F #5228A3

square

#A3283C #79A328 #28A38F #5228A3

split-complementary

#A3283C #28A352 #2879A3

monochromatic

#411018 #721C2A #A3283C #CF3A52 #DB6B7D

Accessibility & contrast

On white

7.18

#A3283C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A3283C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3283C

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3283C	#FFFFFF	#000000	##FFFFFF
##A3283C	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A473C

Deuteranopia (green-blind)

#696139

Tritanopia (blue-blind)

#B30031

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a3283c;
/* rgb */ color: rgb(163, 40, 60);
/* oklch */ color: oklch(47.8% 0.158 16.8);

Tailwind

colors: {
  custom: {
    50: '#c56d71',
    500: '#a3283c',
    950: '#000000',
  },
}

SCSS

$custom: #a3283c;
$custom-light: #c56d71;
$custom-dark: #000000;

JSON

{
  "hex": "#a3283c",
  "rgb": {
    "r": 163,
    "g": 40,
    "b": 60
  },
  "hsl": {
    "h": 350.244,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47823,
    "c": 0.15823,
    "h": 16.8
  },
  "luminance": 0.0963
}

Semantic roles & 50–950 ramp

primary

#A3283C

secondary

#66C1B2

accent

#E4CA44

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A3283C

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

Preview Lab → · Contrast checker → · Palette generator →