#A3282B#A3282B

#A3282B is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.5% C 0.159 H 24.5°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A3282B
RGB	rgb(163, 40, 43)
HSL	hsl(359, 61%, 40%)
HSV	hsv(359, 75%, 64%)
CMYK	cmyk(0%, 75.5%, 73.6%, 36.1%)
CIE-LAB	lab(36.89, 49.80, 29.11)
CIE-LCH	lch(36.89, 57.69, 30.31°)
OKLab	oklab(47.52% 0.1449 0.0661)
OKLCH	oklch(47.52% 0.159 24.5)
XYZ	xyz(16.3010, 9.4810, 3.2567)
Luminance	0.0948 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3282B #28A3A0

analogous

#A32868 #A3282B #A36328

triadic

#A3282B #2BA328 #282BA3

tetradic

#A3282B #68A328 #28A3A0 #6328A3

square

#A3282B #68A328 #28A3A0 #6328A3

split-complementary

#A3282B #28A363 #2868A3

monochromatic

#411011 #721C1E #A3282B #CF3A3D #DB6B6E

Accessibility & contrast

On white

7.25

#A3282B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A3282B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3282B

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3282B	#FFFFFF	#000000	##FFFFFF
##A3282B	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)

#4C462A

Deuteranopia (green-blind)

#6B6027

Tritanopia (blue-blind)

#B4002B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a3282b;
/* rgb */ color: rgb(163, 40, 43);
/* oklch */ color: oklch(47.5% 0.159 24.5);

Tailwind

colors: {
  custom: {
    50: '#c66c64',
    500: '#a3282b',
    950: '#000000',
  },
}

SCSS

$custom: #a3282b;
$custom-light: #c66c64;
$custom-dark: #000000;

JSON

{
  "hex": "#a3282b",
  "rgb": {
    "r": 163,
    "g": 40,
    "b": 43
  },
  "hsl": {
    "h": 358.537,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47524,
    "c": 0.15924,
    "h": 24.5
  },
  "luminance": 0.09479
}

Semantic roles & 50–950 ramp

primary

#A3282B

secondary

#66C1BF

accent

#E4E044

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#140705

muted

#837A7A

Preview Lab

Preview with #A3282B

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

Preview Lab → · Contrast checker → · Palette generator →