#A6243C#A6243C

#A6243C is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.165 H 16.3°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#A6243C
RGB	rgb(166, 36, 60)
HSL	hsl(349, 64%, 40%)
HSV	hsv(349, 78%, 65%)
CMYK	cmyk(0%, 78.3%, 63.9%, 34.9%)
CIE-LAB	lab(37.29, 52.96, 19.13)
CIE-LCH	lch(37.29, 56.31, 19.86°)
OKLab	oklab(48.02% 0.1582 0.0462)
OKLCH	oklch(48.02% 0.165 16.3)
XYZ	xyz(17.1742, 9.6976, 5.2416)
Luminance	0.0969 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6243C #24A68E

analogous

#A6247D #A6243C #A64D24

triadic

#A6243C #3CA624 #243CA6

tetradic

#A6243C #7DA624 #24A68E #4D24A6

square

#A6243C #7DA624 #24A68E #4D24A6

split-complementary

#A6243C #24A64D #247DA6

monochromatic

#410E18 #74192A #A6243C #D33452 #DE667D

Accessibility & contrast

On white

7.15

#A6243C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A6243C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6243C

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6243C	#FFFFFF	#000000	##FFFFFF
##A6243C	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49463C

Deuteranopia (green-blind)

#6A6138

Tritanopia (blue-blind)

#B6002E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a6243c;
/* rgb */ color: rgb(166, 36, 60);
/* oklch */ color: oklch(48.0% 0.165 16.3);

Tailwind

colors: {
  custom: {
    50: '#c86b71',
    500: '#a6243c',
    950: '#000000',
  },
}

SCSS

$custom: #a6243c;
$custom-light: #c86b71;
$custom-dark: #000000;

JSON

{
  "hex": "#a6243c",
  "rgb": {
    "r": 166,
    "g": 36,
    "b": 60
  },
  "hsl": {
    "h": 348.923,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48017,
    "c": 0.16484,
    "h": 16.3
  },
  "luminance": 0.09695
}

Semantic roles & 50–950 ramp

primary

#A6243C

secondary

#62C4B2

accent

#E7C940

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A6243C

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

Preview Lab → · Contrast checker → · Palette generator →