#A7281F#A7281F

#A7281F is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.1% C 0.165 H 28.9°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#A7281F
RGB	rgb(167, 40, 31)
HSL	hsl(4, 69%, 39%)
HSV	hsv(4, 81%, 65%)
CMYK	cmyk(0%, 76%, 81.4%, 34.5%)
CIE-LAB	lab(37.54, 50.61, 37.01)
CIE-LCH	lch(37.54, 62.70, 36.18°)
OKLab	oklab(48.11% 0.1444 0.0797)
OKLCH	oklch(48.11% 0.165 28.9)
XYZ	xyz(16.9445, 9.8347, 2.3021)
Luminance	0.0983 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7281F #1F9EA7

analogous

#A71F5A #A7281F #A76C1F

triadic

#A7281F #1FA728 #281FA7

tetradic

#A7281F #5AA71F #1F9EA7 #6C1FA7

square

#A7281F #5AA71F #1F9EA7 #6C1FA7

split-complementary

#A7281F #1FA76C #1F5AA7

monochromatic

#400F0C #731C15 #A7281F #D8372B #E1685F

Accessibility & contrast

On white

7.08

#A7281F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#A7281F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7281F

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7281F	#FFFFFF	#000000	##FFFFFF
##A7281F	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F471C

Deuteranopia (green-blind)

#6E6219

Tritanopia (blue-blind)

#B80027

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a7281f;
/* rgb */ color: rgb(167, 40, 31);
/* oklch */ color: oklch(48.1% 0.165 28.9);

Tailwind

colors: {
  custom: {
    50: '#ca6c5c',
    500: '#a7281f',
    950: '#000000',
  },
}

SCSS

$custom: #a7281f;
$custom-light: #ca6c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a7281f",
  "rgb": {
    "r": 167,
    "g": 40,
    "b": 31
  },
  "hsl": {
    "h": 3.971,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48106,
    "c": 0.16488,
    "h": 28.9
  },
  "luminance": 0.09832
}

Semantic roles & 50–950 ramp

primary

#A7281F

secondary

#5CBFC6

accent

#E0EC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7281F

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

Preview Lab → · Contrast checker → · Palette generator →