#A4273C#A4273C

#A4273C is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.9% C 0.160 H 16.7°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#A4273C
RGB	rgb(164, 39, 60)
HSL	hsl(350, 62%, 40%)
HSV	hsv(350, 76%, 64%)
CMYK	cmyk(0%, 76.2%, 63.4%, 35.7%)
CIE-LAB	lab(37.25, 51.38, 19.00)
CIE-LCH	lch(37.25, 54.78, 20.29°)
OKLab	oklab(47.91% 0.1535 0.0459)
OKLCH	oklch(47.91% 0.16 16.7)
XYZ	xyz(16.8527, 9.6723, 5.2536)
Luminance	0.0967 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4273C #27A48F

analogous

#A4277B #A4273C #A45127

triadic

#A4273C #3CA427 #273CA4

tetradic

#A4273C #7BA427 #27A48F #5127A4

square

#A4273C #7BA427 #27A48F #5127A4

split-complementary

#A4273C #27A451 #277BA4

monochromatic

#410F18 #731B2A #A4273C #D03852 #DC6A7D

Accessibility & contrast

On white

7.16

#A4273C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A4273C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4273C

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4273C	#FFFFFF	#000000	##FFFFFF
##A4273C	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)

#4A473C

Deuteranopia (green-blind)

#6A6139

Tritanopia (blue-blind)

#B40030

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a4273c;
/* rgb */ color: rgb(164, 39, 60);
/* oklch */ color: oklch(47.9% 0.160 16.7);

Tailwind

colors: {
  custom: {
    50: '#c66c71',
    500: '#a4273c',
    950: '#000000',
  },
}

SCSS

$custom: #a4273c;
$custom-light: #c66c71;
$custom-dark: #000000;

JSON

{
  "hex": "#a4273c",
  "rgb": {
    "r": 164,
    "g": 39,
    "b": 60
  },
  "hsl": {
    "h": 349.92,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47912,
    "c": 0.16017,
    "h": 16.7
  },
  "luminance": 0.0967
}

Semantic roles & 50–950 ramp

primary

#A4273C

secondary

#65C2B2

accent

#E5CA43

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A4273C

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

Preview Lab → · Contrast checker → · Palette generator →