#A6243D#A6243D

#A6243D is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.165 H 15.8°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#A6243D
RGB	rgb(166, 36, 61)
HSL	hsl(348, 64%, 40%)
HSV	hsv(348, 78%, 65%)
CMYK	cmyk(0%, 78.3%, 63.3%, 34.9%)
CIE-LAB	lab(37.31, 53.02, 18.52)
CIE-LCH	lch(37.31, 56.16, 19.26°)
OKLab	oklab(48.04% 0.1586 0.0449)
OKLCH	oklch(48.04% 0.165 15.8)
XYZ	xyz(17.2009, 9.7082, 5.3821)
Luminance	0.0971 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6243D #24A68D

analogous

#A6247E #A6243D #A64C24

triadic

#A6243D #3DA624 #243DA6

tetradic

#A6243D #7EA624 #24A68D #4C24A6

square

#A6243D #7EA624 #24A68D #4C24A6

split-complementary

#A6243D #24A64C #247EA6

monochromatic

#410E18 #74192B #A6243D #D33453 #DE667D

Accessibility & contrast

On white

7.14

#A6243D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A6243D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6243D

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6243D	#FFFFFF	#000000	##FFFFFF
##A6243D	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49473D

Deuteranopia (green-blind)

#6A6239

Tritanopia (blue-blind)

#B6002F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a6243d;
/* rgb */ color: rgb(166, 36, 61);
/* oklch */ color: oklch(48.0% 0.165 15.8);

Tailwind

colors: {
  custom: {
    50: '#c86b72',
    500: '#a6243d',
    950: '#000000',
  },
}

SCSS

$custom: #a6243d;
$custom-light: #c86b72;
$custom-dark: #000000;

JSON

{
  "hex": "#a6243d",
  "rgb": {
    "r": 166,
    "g": 36,
    "b": 61
  },
  "hsl": {
    "h": 348.462,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48038,
    "c": 0.16486,
    "h": 15.8
  },
  "luminance": 0.09706
}

Semantic roles & 50–950 ramp

primary

#A6243D

secondary

#62C4B1

accent

#E7C740

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A6243D

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

Preview Lab → · Contrast checker → · Palette generator →