#A0271F#A0271F

#A0271F is a mid, vivid red. Relative luminance 0.090; OKLCH L 46.7% C 0.159 H 28.6°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#A0271F
RGB	rgb(160, 39, 31)
HSL	hsl(4, 68%, 37%)
HSV	hsv(4, 81%, 63%)
CMYK	cmyk(0%, 75.6%, 80.6%, 37.3%)
CIE-LAB	lab(36.03, 48.72, 35.05)
CIE-LCH	lch(36.03, 60.02, 35.73°)
OKLab	oklab(46.73% 0.1392 0.076)
OKLCH	oklch(46.73% 0.159 28.6)
XYZ	xyz(15.4719, 9.0260, 2.2236)
Luminance	0.0902 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0271F #1F98A0

analogous

#A01F57 #A0271F #A0681F

triadic

#A0271F #1FA027 #271FA0

tetradic

#A0271F #57A01F #1F98A0 #681FA0

square

#A0271F #57A01F #1F98A0 #681FA0

split-complementary

#A0271F #1FA068 #1F57A0

monochromatic

#390E0B #6D1B15 #A0271F #D33329 #DF635A

Accessibility & contrast

On white

7.49

#A0271F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#A0271F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0271F

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0271F	#FFFFFF	#000000	##FFFFFF
##A0271F	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441D

Deuteranopia (green-blind)

#6A5E19

Tritanopia (blue-blind)

#B10027

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a0271f;
/* rgb */ color: rgb(160, 39, 31);
/* oklch */ color: oklch(46.7% 0.159 28.6);

Tailwind

colors: {
  custom: {
    50: '#c56b5c',
    500: '#a0271f',
    950: '#000000',
  },
}

SCSS

$custom: #a0271f;
$custom-light: #c56b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a0271f",
  "rgb": {
    "r": 160,
    "g": 39,
    "b": 31
  },
  "hsl": {
    "h": 3.721,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46731,
    "c": 0.15861,
    "h": 28.6
  },
  "luminance": 0.09024
}

Semantic roles & 50–950 ramp

primary

#A0271F

secondary

#58BCC3

accent

#E0EA3D

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A0271F

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

Preview Lab → · Contrast checker → · Palette generator →