#A3283D#A3283D

#A3283D is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.158 H 16.3°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#A3283D
RGB	rgb(163, 40, 61)
HSL	hsl(350, 61%, 40%)
HSV	hsv(350, 75%, 64%)
CMYK	cmyk(0%, 75.5%, 62.6%, 36.1%)
CIE-LAB	lab(37.19, 50.80, 18.25)
CIE-LCH	lch(37.19, 53.98, 19.77°)
OKLab	oklab(47.84% 0.1519 0.0443)
OKLCH	oklch(47.84% 0.158 16.3)
XYZ	xyz(16.7071, 9.6435, 5.3956)
Luminance	0.0964 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3283D #28A38E

analogous

#A3287B #A3283D #A35128

triadic

#A3283D #3DA328 #283DA3

tetradic

#A3283D #7BA328 #28A38E #5128A3

square

#A3283D #7BA328 #28A38E #5128A3

split-complementary

#A3283D #28A351 #287BA3

monochromatic

#411018 #721C2B #A3283D #CF3A53 #DB6B7E

Accessibility & contrast

On white

7.17

#A3283D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A3283D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3283D

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3283D	#FFFFFF	#000000	##FFFFFF
##A3283D	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A473D

Deuteranopia (green-blind)

#69613A

Tritanopia (blue-blind)

#B30031

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a3283d;
/* rgb */ color: rgb(163, 40, 61);
/* oklch */ color: oklch(47.8% 0.158 16.3);

Tailwind

colors: {
  custom: {
    50: '#c56d72',
    500: '#a3283d',
    950: '#000000',
  },
}

SCSS

$custom: #a3283d;
$custom-light: #c56d72;
$custom-dark: #000000;

JSON

{
  "hex": "#a3283d",
  "rgb": {
    "r": 163,
    "g": 40,
    "b": 61
  },
  "hsl": {
    "h": 349.756,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47844,
    "c": 0.15825,
    "h": 16.3
  },
  "luminance": 0.09641
}

Semantic roles & 50–950 ramp

primary

#A3283D

secondary

#66C1B1

accent

#E4C844

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A3283D

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

Preview Lab → · Contrast checker → · Palette generator →