#A3283F#A3283F

#A3283F is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.9% C 0.158 H 15.3°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#A3283F
RGB	rgb(163, 40, 63)
HSL	hsl(349, 61%, 40%)
HSV	hsv(349, 75%, 64%)
CMYK	cmyk(0%, 75.5%, 61.3%, 36.1%)
CIE-LAB	lab(37.24, 50.93, 17.03)
CIE-LCH	lch(37.24, 53.70, 18.49°)
OKLab	oklab(47.89% 0.1527 0.0417)
OKLCH	oklch(47.89% 0.158 15.3)
XYZ	xyz(16.7620, 9.6654, 5.6847)
Luminance	0.0966 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3283F #28A38C

analogous

#A3287D #A3283F #A34E28

triadic

#A3283F #3FA328 #283FA3

tetradic

#A3283F #7DA328 #28A38C #4E28A3

square

#A3283F #7DA328 #28A38C #4E28A3

split-complementary

#A3283F #28A34E #287DA3

monochromatic

#411019 #721C2C #A3283F #CF3A55 #DB6B80

Accessibility & contrast

On white

7.16

#A3283F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A3283F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3283F

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3283F	#FFFFFF	#000000	##FFFFFF
##A3283F	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A473F

Deuteranopia (green-blind)

#69613C

Tritanopia (blue-blind)

#B30032

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a3283f;
/* rgb */ color: rgb(163, 40, 63);
/* oklch */ color: oklch(47.9% 0.158 15.3);

Tailwind

colors: {
  custom: {
    50: '#c56d73',
    500: '#a3283f',
    950: '#000000',
  },
}

SCSS

$custom: #a3283f;
$custom-light: #c56d73;
$custom-dark: #000000;

JSON

{
  "hex": "#a3283f",
  "rgb": {
    "r": 163,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 348.78,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47887,
    "c": 0.1583,
    "h": 15.3
  },
  "luminance": 0.09663
}

Semantic roles & 50–950 ramp

primary

#A3283F

secondary

#66C1B0

accent

#E4C644

background

#FDF6F7

surface

#FAECED

border

#D3C7C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A3283F

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

Preview Lab → · Contrast checker → · Palette generator →