#A4282B#A4282B

#A4282B is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.7% C 0.160 H 24.6°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#A4282B
RGB	rgb(164, 40, 43)
HSL	hsl(359, 61%, 40%)
HSV	hsv(359, 76%, 64%)
CMYK	cmyk(0%, 75.6%, 73.8%, 35.7%)
CIE-LAB	lab(37.09, 50.12, 29.39)
CIE-LCH	lch(37.09, 58.10, 30.39°)
OKLab	oklab(47.71% 0.1457 0.0667)
OKLCH	oklch(47.71% 0.16 24.6)
XYZ	xyz(16.5066, 9.5871, 3.2664)
Luminance	0.0959 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4282B #28A4A1

analogous

#A42869 #A4282B #A46328

triadic

#A4282B #2BA428 #282BA4

tetradic

#A4282B #69A428 #28A4A1 #6328A4

square

#A4282B #69A428 #28A4A1 #6328A4

split-complementary

#A4282B #28A463 #2869A4

monochromatic

#421011 #731C1E #A4282B #CF3A3E #DB6B6E

Accessibility & contrast

On white

7.20

#A4282B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A4282B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4282B

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4282B	#FFFFFF	#000000	##FFFFFF
##A4282B	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D462A

Deuteranopia (green-blind)

#6C6127

Tritanopia (blue-blind)

#B5002B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a4282b;
/* rgb */ color: rgb(164, 40, 43);
/* oklch */ color: oklch(47.7% 0.160 24.6);

Tailwind

colors: {
  custom: {
    50: '#c76c64',
    500: '#a4282b',
    950: '#000000',
  },
}

SCSS

$custom: #a4282b;
$custom-light: #c76c64;
$custom-dark: #000000;

JSON

{
  "hex": "#a4282b",
  "rgb": {
    "r": 164,
    "g": 40,
    "b": 43
  },
  "hsl": {
    "h": 358.548,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.47706,
    "c": 0.16026,
    "h": 24.6
  },
  "luminance": 0.09585
}

Semantic roles & 50–950 ramp

primary

#A4282B

secondary

#66C1BF

accent

#E4E044

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #A4282B

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

Preview Lab → · Contrast checker → · Palette generator →