#A3273E#A3273E

#A3273E is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.159 H 15.5°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#A3273E
RGB	rgb(163, 39, 62)
HSL	hsl(349, 61%, 40%)
HSV	hsv(349, 76%, 64%)
CMYK	cmyk(0%, 76.1%, 62%, 36.1%)
CIE-LAB	lab(37.09, 51.21, 17.48)
CIE-LCH	lch(37.09, 54.11, 18.85°)
OKLab	oklab(47.77% 0.1534 0.0426)
OKLCH	oklch(47.77% 0.159 15.5)
XYZ	xyz(16.7010, 9.5878, 5.5277)
Luminance	0.0959 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3273E #27A38C

analogous

#A3277C #A3273E #A34E27

triadic

#A3273E #3EA327 #273EA3

tetradic

#A3273E #7CA327 #27A38C #4E27A3

square

#A3273E #7CA327 #27A38C #4E27A3

split-complementary

#A3273E #27A34E #277CA3

monochromatic

#400F18 #721B2B #A3273E #CF3854 #DB697E

Accessibility & contrast

On white

7.20

#A3273E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A3273E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3273E

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3273E	#FFFFFF	#000000	##FFFFFF
##A3273E	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49473E

Deuteranopia (green-blind)

#69613B

Tritanopia (blue-blind)

#B30031

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a3273e;
/* rgb */ color: rgb(163, 39, 62);
/* oklch */ color: oklch(47.8% 0.159 15.5);

Tailwind

colors: {
  custom: {
    50: '#c56c73',
    500: '#a3273e',
    950: '#000000',
  },
}

SCSS

$custom: #a3273e;
$custom-light: #c56c73;
$custom-dark: #000000;

JSON

{
  "hex": "#a3273e",
  "rgb": {
    "r": 163,
    "g": 39,
    "b": 62
  },
  "hsl": {
    "h": 348.871,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47774,
    "c": 0.15922,
    "h": 15.5
  },
  "luminance": 0.09585
}

Semantic roles & 50–950 ramp

primary

#A3273E

secondary

#64C1B0

accent

#E4C743

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140708

muted

#837A7B

Preview Lab

Preview with #A3273E

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

Preview Lab → · Contrast checker → · Palette generator →