#A6271F#A6271F

#A6271F is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.8% C 0.165 H 28.6°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#A6271F
RGB	rgb(166, 39, 31)
HSL	hsl(4, 69%, 39%)
HSV	hsv(4, 81%, 65%)
CMYK	cmyk(0%, 76.5%, 81.3%, 34.9%)
CIE-LAB	lab(37.22, 50.63, 36.63)
CIE-LCH	lch(37.22, 62.50, 35.88°)
OKLab	oklab(47.83% 0.1445 0.0789)
OKLCH	oklch(47.83% 0.165 28.6)
XYZ	xyz(16.7007, 9.6596, 2.2812)
Luminance	0.0966 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6271F #1F9EA6

analogous

#A61F5A #A6271F #A66A1F

triadic

#A6271F #1FA627 #271FA6

tetradic

#A6271F #5AA61F #1F9EA6 #6A1FA6

square

#A6271F #5AA61F #1F9EA6 #6A1FA6

split-complementary

#A6271F #1FA66A #1F5AA6

monochromatic

#3F0F0C #721B15 #A6271F #D7352B #E1665E

Accessibility & contrast

On white

7.16

#A6271F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A6271F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6271F

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6271F	#FFFFFF	#000000	##FFFFFF
##A6271F	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E461D

Deuteranopia (green-blind)

#6D6219

Tritanopia (blue-blind)

#B70027

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a6271f;
/* rgb */ color: rgb(166, 39, 31);
/* oklch */ color: oklch(47.8% 0.165 28.6);

Tailwind

colors: {
  custom: {
    50: '#ca6c5c',
    500: '#a6271f',
    950: '#000000',
  },
}

SCSS

$custom: #a6271f;
$custom-light: #ca6c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a6271f",
  "rgb": {
    "r": 166,
    "g": 39,
    "b": 31
  },
  "hsl": {
    "h": 3.556,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47832,
    "c": 0.16468,
    "h": 28.6
  },
  "luminance": 0.09657
}

Semantic roles & 50–950 ramp

primary

#A6271F

secondary

#5BBFC5

accent

#E1EB3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A6271F

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

Preview Lab → · Contrast checker → · Palette generator →