#A4282A#A4282A

#A4282A is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.7% C 0.160 H 25.0°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#A4282A
RGB	rgb(164, 40, 42)
HSL	hsl(359, 61%, 40%)
HSV	hsv(359, 76%, 64%)
CMYK	cmyk(0%, 75.6%, 74.4%, 35.7%)
CIE-LAB	lab(37.08, 50.08, 29.98)
CIE-LCH	lch(37.08, 58.37, 30.91°)
OKLab	oklab(47.69% 0.1454 0.0677)
OKLCH	oklch(47.69% 0.16 25)
XYZ	xyz(16.4885, 9.5798, 3.1709)
Luminance	0.0958 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4282A #28A4A2

analogous

#A42868 #A4282A #A46428

triadic

#A4282A #2AA428 #282AA4

tetradic

#A4282A #68A428 #28A4A2 #6428A4

square

#A4282A #68A428 #28A4A2 #6428A4

split-complementary

#A4282A #28A464 #2868A4

monochromatic

#421011 #731C1D #A4282A #CF3A3D #DB6B6D

Accessibility & contrast

On white

7.20

#A4282A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A4282A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4282A

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4282A	#FFFFFF	#000000	##FFFFFF
##A4282A	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)

#4D4629

Deuteranopia (green-blind)

#6C6126

Tritanopia (blue-blind)

#B5002A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a4282a;
/* rgb */ color: rgb(164, 40, 42);
/* oklch */ color: oklch(47.7% 0.160 25.0);

Tailwind

colors: {
  custom: {
    50: '#c76c64',
    500: '#a4282a',
    950: '#000000',
  },
}

SCSS

$custom: #a4282a;
$custom-light: #c76c64;
$custom-dark: #000000;

JSON

{
  "hex": "#a4282a",
  "rgb": {
    "r": 164,
    "g": 40,
    "b": 42
  },
  "hsl": {
    "h": 359.032,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.47691,
    "c": 0.16038,
    "h": 25
  },
  "luminance": 0.09577
}

Semantic roles & 50–950 ramp

primary

#A4282A

secondary

#66C1C0

accent

#E4E144

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A4282A

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

Preview Lab → · Contrast checker → · Palette generator →