#A7281E#A7281E

#A7281E is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.1% C 0.165 H 29.2°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#A7281E
RGB	rgb(167, 40, 30)
HSL	hsl(4, 70%, 39%)
HSV	hsv(4, 82%, 65%)
CMYK	cmyk(0%, 76%, 82%, 34.5%)
CIE-LAB	lab(37.53, 50.58, 37.55)
CIE-LCH	lch(37.53, 63.00, 36.59°)
OKLab	oklab(48.1% 0.1441 0.0805)
OKLCH	oklch(48.1% 0.165 29.2)
XYZ	xyz(16.9315, 9.8295, 2.2338)
Luminance	0.0983 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7281E #1E9DA7

analogous

#A71E58 #A7281E #A76C1E

triadic

#A7281E #1EA728 #281EA7

tetradic

#A7281E #58A71E #1E9DA7 #6C1EA7

square

#A7281E #58A71E #1E9DA7 #6C1EA7

split-complementary

#A7281E #1EA76C #1E58A7

monochromatic

#3F0F0B #731C15 #A7281E #D9362A #E2675D

Accessibility & contrast

On white

7.08

#A7281E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#A7281E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7281E

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7281E	#FFFFFF	#000000	##FFFFFF
##A7281E	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)

#4F471B

Deuteranopia (green-blind)

#6E6218

Tritanopia (blue-blind)

#B80027

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a7281e;
/* rgb */ color: rgb(167, 40, 30);
/* oklch */ color: oklch(48.1% 0.165 29.2);

Tailwind

colors: {
  custom: {
    50: '#ca6c5b',
    500: '#a7281e',
    950: '#000000',
  },
}

SCSS

$custom: #a7281e;
$custom-light: #ca6c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#a7281e",
  "rgb": {
    "r": 167,
    "g": 40,
    "b": 30
  },
  "hsl": {
    "h": 4.38,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48096,
    "c": 0.16502,
    "h": 29.2
  },
  "luminance": 0.09827
}

Semantic roles & 50–950 ramp

primary

#A7281E

secondary

#5BBEC6

accent

#DFEC3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7281E

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

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