#A0273A#A0273A

#A0273A is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.1% C 0.156 H 17.1°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#A0273A
RGB	rgb(160, 39, 58)
HSL	hsl(351, 61%, 39%)
HSV	hsv(351, 76%, 63%)
CMYK	cmyk(0%, 75.6%, 63.8%, 37.3%)
CIE-LAB	lab(36.43, 50.03, 19.05)
CIE-LCH	lch(36.43, 53.53, 20.85°)
OKLab	oklab(47.15% 0.1492 0.046)
OKLCH	oklch(47.15% 0.156 17.1)
XYZ	xyz(15.9881, 9.2325, 4.9423)
Luminance	0.0923 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0273A #27A08D

analogous

#A02777 #A0273A #A05127

triadic

#A0273A #3AA027 #273AA0

tetradic

#A0273A #77A027 #27A08D #5127A0

square

#A0273A #77A027 #27A08D #5127A0

split-complementary

#A0273A #27A051 #2777A0

monochromatic

#3E0F16 #6F1B28 #A0273A #CE364E #DA6779

Accessibility & contrast

On white

7.38

#A0273A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#A0273A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0273A

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0273A	#FFFFFF	#000000	##FFFFFF
##A0273A	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49463A

Deuteranopia (green-blind)

#675F37

Tritanopia (blue-blind)

#B0002F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a0273a;
/* rgb */ color: rgb(160, 39, 58);
/* oklch */ color: oklch(47.1% 0.156 17.1);

Tailwind

colors: {
  custom: {
    50: '#c36c70',
    500: '#a0273a',
    950: '#000000',
  },
}

SCSS

$custom: #a0273a;
$custom-light: #c36c70;
$custom-dark: #000000;

JSON

{
  "hex": "#a0273a",
  "rgb": {
    "r": 160,
    "g": 39,
    "b": 58
  },
  "hsl": {
    "h": 350.579,
    "s": 60.804,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4715,
    "c": 0.15616,
    "h": 17.1
  },
  "luminance": 0.0923
}

Semantic roles & 50–950 ramp

primary

#A0273A

secondary

#63C0B1

accent

#E4CB44

background

#FCF6F6

surface

#F9ECEC

border

#D2C7C7

text

#140707

muted

#827A7A

Preview Lab

Preview with #A0273A

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

Preview Lab → · Contrast checker → · Palette generator →