#A6243F#A6243F

#A6243F is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.1% C 0.165 H 14.8°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#A6243F
RGB	rgb(166, 36, 63)
HSL	hsl(348, 64%, 40%)
HSV	hsv(348, 78%, 65%)
CMYK	cmyk(0%, 78.3%, 62%, 34.9%)
CIE-LAB	lab(37.35, 53.15, 17.30)
CIE-LCH	lch(37.35, 55.89, 18.03°)
OKLab	oklab(48.08% 0.1594 0.0422)
OKLCH	oklch(48.08% 0.165 14.8)
XYZ	xyz(17.2558, 9.7302, 5.6712)
Luminance	0.0973 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6243F #24A68B

analogous

#A62480 #A6243F #A64A24

triadic

#A6243F #3FA624 #243FA6

tetradic

#A6243F #80A624 #24A68B #4A24A6

square

#A6243F #80A624 #24A68B #4A24A6

split-complementary

#A6243F #24A64A #2480A6

monochromatic

#410E19 #74192C #A6243F #D33455 #DE667F

Accessibility & contrast

On white

7.13

#A6243F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A6243F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6243F

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6243F	#FFFFFF	#000000	##FFFFFF
##A6243F	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49473F

Deuteranopia (green-blind)

#6A623B

Tritanopia (blue-blind)

#B60030

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a6243f;
/* rgb */ color: rgb(166, 36, 63);
/* oklch */ color: oklch(48.1% 0.165 14.8);

Tailwind

colors: {
  custom: {
    50: '#c76b73',
    500: '#a6243f',
    950: '#000000',
  },
}

SCSS

$custom: #a6243f;
$custom-light: #c76b73;
$custom-dark: #000000;

JSON

{
  "hex": "#a6243f",
  "rgb": {
    "r": 166,
    "g": 36,
    "b": 63
  },
  "hsl": {
    "h": 347.538,
    "s": 64.356,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48081,
    "c": 0.16493,
    "h": 14.8
  },
  "luminance": 0.09728
}

Semantic roles & 50–950 ramp

primary

#A6243F

secondary

#62C4AF

accent

#E7C540

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140708

muted

#837A7B

Preview Lab

Preview with #A6243F

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

Preview Lab → · Contrast checker → · Palette generator →