#A0273B#A0273B

#A0273B is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.2% C 0.156 H 16.6°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#A0273B
RGB	rgb(160, 39, 59)
HSL	hsl(350, 61%, 39%)
HSV	hsv(350, 76%, 63%)
CMYK	cmyk(0%, 75.6%, 63.1%, 37.3%)
CIE-LAB	lab(36.45, 50.09, 18.44)
CIE-LCH	lch(36.45, 53.38, 20.21°)
OKLab	oklab(47.17% 0.1496 0.0447)
OKLCH	oklch(47.17% 0.156 16.6)
XYZ	xyz(16.0138, 9.2427, 5.0776)
Luminance	0.0924 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0273B #27A08C

analogous

#A02778 #A0273B #A05027

triadic

#A0273B #3BA027 #273BA0

tetradic

#A0273B #78A027 #27A08C #5027A0

square

#A0273B #78A027 #27A08C #5027A0

split-complementary

#A0273B #27A050 #2778A0

monochromatic

#3E0F17 #6F1B29 #A0273B #CE364F #DA677A

Accessibility & contrast

On white

7.37

#A0273B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A0273B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0273B

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0273B	#FFFFFF	#000000	##FFFFFF
##A0273B	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49463B

Deuteranopia (green-blind)

#675F38

Tritanopia (blue-blind)

#B0002F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a0273b;
/* rgb */ color: rgb(160, 39, 59);
/* oklch */ color: oklch(47.2% 0.156 16.6);

Tailwind

colors: {
  custom: {
    50: '#c36c70',
    500: '#a0273b',
    950: '#000000',
  },
}

SCSS

$custom: #a0273b;
$custom-light: #c36c70;
$custom-dark: #000000;

JSON

{
  "hex": "#a0273b",
  "rgb": {
    "r": 160,
    "g": 39,
    "b": 59
  },
  "hsl": {
    "h": 350.083,
    "s": 60.804,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47171,
    "c": 0.15616,
    "h": 16.6
  },
  "luminance": 0.0924
}

Semantic roles & 50–950 ramp

primary

#A0273B

secondary

#63C0B1

accent

#E4C944

background

#FCF6F6

surface

#F9ECEC

border

#D2C7C7

text

#140707

muted

#827A7A

Preview Lab

Preview with #A0273B

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

Preview Lab → · Contrast checker → · Palette generator →