#A6273A#A6273A

#A6273A is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.2% C 0.162 H 17.9°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#A6273A
RGB	rgb(166, 39, 58)
HSL	hsl(351, 62%, 40%)
HSV	hsv(351, 77%, 65%)
CMYK	cmyk(0%, 76.5%, 65.1%, 34.9%)
CIE-LAB	lab(37.60, 51.87, 20.80)
CIE-LCH	lch(37.60, 55.88, 21.85°)
OKLab	oklab(48.23% 0.1543 0.0498)
OKLCH	oklch(48.23% 0.162 17.9)
XYZ	xyz(17.2170, 9.8661, 4.9999)
Luminance	0.0986 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6273A #27A693

analogous

#A62779 #A6273A #A65427

triadic

#A6273A #3AA627 #273AA6

tetradic

#A6273A #79A627 #27A693 #5427A6

square

#A6273A #79A627 #27A693 #5427A6

split-complementary

#A6273A #27A654 #2779A6

monochromatic

#431017 #741B29 #A6273A #D13A50 #DC6B7C

Accessibility & contrast

On white

7.06

#A6273A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#A6273A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6273A

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6273A	#FFFFFF	#000000	##FFFFFF
##A6273A	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B473A

Deuteranopia (green-blind)

#6B6236

Tritanopia (blue-blind)

#B6002F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a6273a;
/* rgb */ color: rgb(166, 39, 58);
/* oklch */ color: oklch(48.2% 0.162 17.9);

Tailwind

colors: {
  custom: {
    50: '#c86d70',
    500: '#a6273a',
    950: '#000000',
  },
}

SCSS

$custom: #a6273a;
$custom-light: #c86d70;
$custom-dark: #000000;

JSON

{
  "hex": "#a6273a",
  "rgb": {
    "r": 166,
    "g": 39,
    "b": 58
  },
  "hsl": {
    "h": 351.024,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.48232,
    "c": 0.16216,
    "h": 17.9
  },
  "luminance": 0.09864
}

Semantic roles & 50–950 ramp

primary

#A6273A

secondary

#66C3B5

accent

#E5CD43

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A6273A

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

Preview Lab → · Contrast checker → · Palette generator →