#A6404E#A6404E

#A6404E is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.4% C 0.135 H 14.9°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#A6404E
RGB	rgb(166, 64, 78)
HSL	hsl(352, 44%, 45%)
HSV	hsv(352, 61%, 65%)
CMYK	cmyk(0%, 61.4%, 53%, 34.9%)
CIE-LAB	lab(41.73, 43.19, 13.76)
CIE-LCH	lch(41.73, 45.33, 17.67°)
OKLab	oklab(51.44% 0.1301 0.0347)
OKLCH	oklch(51.44% 0.135 14.9)
XYZ	xyz(18.9360, 12.3262, 8.5883)
Luminance	0.1232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6404E #40A698

analogous

#A64081 #A6404E #A66540

triadic

#A6404E #4EA640 #404EA6

tetradic

#A6404E #81A640 #40A698 #6540A6

square

#A6404E #81A640 #40A698 #6540A6

split-complementary

#A6404E #40A665 #4081A6

monochromatic

#4E1E24 #7A2F39 #A6404E #C2616E #D38D97

Accessibility & contrast

On white

6.06

#A6404E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#A6404E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6404E

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6404E	#FFFFFF	#000000	##FFFFFF
##A6404E	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57554E

Deuteranopia (green-blind)

#726A4C

Tritanopia (blue-blind)

#B53046

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #a6404e;
/* rgb */ color: rgb(166, 64, 78);
/* oklch */ color: oklch(51.4% 0.135 14.9);

Tailwind

colors: {
  custom: {
    50: '#c57a7f',
    500: '#a6404e',
    950: '#000000',
  },
}

SCSS

$custom: #a6404e;
$custom-light: #c57a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#a6404e",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 351.765,
    "s": 44.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51445,
    "c": 0.13461,
    "h": 14.9
  },
  "luminance": 0.12324
}

Semantic roles & 50–950 ramp

primary

#A6404E

secondary

#84BEB6

accent

#D4C254

background

#FCF7F7

surface

#F9EEEE

border

#D2C9C9

text

#14090A

muted

#827B7C

Preview Lab

Preview with #A6404E

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

Preview Lab → · Contrast checker → · Palette generator →