#A4273E#A4273E

#A4273E is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.160 H 15.7°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#A4273E
RGB	rgb(164, 39, 62)
HSL	hsl(349, 62%, 40%)
HSV	hsv(349, 76%, 64%)
CMYK	cmyk(0%, 76.2%, 62.2%, 35.7%)
CIE-LAB	lab(37.29, 51.51, 17.78)
CIE-LCH	lch(37.29, 54.49, 19.04°)
OKLab	oklab(47.95% 0.1543 0.0433)
OKLCH	oklch(47.95% 0.16 15.7)
XYZ	xyz(16.9066, 9.6938, 5.5374)
Luminance	0.0969 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4273E #27A48D

analogous

#A4277D #A4273E #A44F27

triadic

#A4273E #3EA427 #273EA4

tetradic

#A4273E #7DA427 #27A48D #4F27A4

square

#A4273E #7DA427 #27A48D #4F27A4

split-complementary

#A4273E #27A44F #277DA4

monochromatic

#410F19 #731B2B #A4273E #D03854 #DC6A7F

Accessibility & contrast

On white

7.15

#A4273E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A4273E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4273E

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4273E	#FFFFFF	#000000	##FFFFFF
##A4273E	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A473E

Deuteranopia (green-blind)

#6A613B

Tritanopia (blue-blind)

#B40031

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a4273e;
/* rgb */ color: rgb(164, 39, 62);
/* oklch */ color: oklch(48.0% 0.160 15.7);

Tailwind

colors: {
  custom: {
    50: '#c66c73',
    500: '#a4273e',
    950: '#000000',
  },
}

SCSS

$custom: #a4273e;
$custom-light: #c66c73;
$custom-dark: #000000;

JSON

{
  "hex": "#a4273e",
  "rgb": {
    "r": 164,
    "g": 39,
    "b": 62
  },
  "hsl": {
    "h": 348.96,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47954,
    "c": 0.16022,
    "h": 15.7
  },
  "luminance": 0.09691
}

Semantic roles & 50–950 ramp

primary

#A4273E

secondary

#65C2B1

accent

#E5C743

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140808

muted

#837B7B

Preview Lab

Preview with #A4273E

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

Preview Lab → · Contrast checker → · Palette generator →