#A4272B#A4272B

#A4272B is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.6% C 0.161 H 24.3°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#A4272B
RGB	rgb(164, 39, 43)
HSL	hsl(358, 62%, 40%)
HSV	hsv(358, 76%, 64%)
CMYK	cmyk(0%, 76.2%, 73.8%, 35.7%)
CIE-LAB	lab(36.97, 50.46, 29.25)
CIE-LCH	lch(36.97, 58.33, 30.10°)
OKLab	oklab(47.61% 0.1468 0.0664)
OKLCH	oklch(47.61% 0.161 24.3)
XYZ	xyz(16.4733, 9.5205, 3.2553)
Luminance	0.0952 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4272B #27A4A0

analogous

#A4276A #A4272B #A46227

triadic

#A4272B #2BA427 #272BA4

tetradic

#A4272B #6AA427 #27A4A0 #6227A4

square

#A4272B #6AA427 #27A4A0 #6227A4

split-complementary

#A4272B #27A462 #276AA4

monochromatic

#410F11 #731B1E #A4272B #D0383D #DC6A6E

Accessibility & contrast

On white

7.23

#A4272B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A4272B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4272B

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4272B	#FFFFFF	#000000	##FFFFFF
##A4272B	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C462A

Deuteranopia (green-blind)

#6B6127

Tritanopia (blue-blind)

#B5002A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a4272b;
/* rgb */ color: rgb(164, 39, 43);
/* oklch */ color: oklch(47.6% 0.161 24.3);

Tailwind

colors: {
  custom: {
    50: '#c76c64',
    500: '#a4272b',
    950: '#000000',
  },
}

SCSS

$custom: #a4272b;
$custom-light: #c76c64;
$custom-dark: #000000;

JSON

{
  "hex": "#a4272b",
  "rgb": {
    "r": 164,
    "g": 39,
    "b": 43
  },
  "hsl": {
    "h": 358.08,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47614,
    "c": 0.16113,
    "h": 24.3
  },
  "luminance": 0.09518
}

Semantic roles & 50–950 ramp

primary

#A4272B

secondary

#65C2BF

accent

#E5E043

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#150705

muted

#837A7A

Preview Lab

Preview with #A4272B

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

Preview Lab → · Contrast checker → · Palette generator →