#A6403E#A6403E

#A6403E is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.1% C 0.136 H 24.2°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#A6403E
RGB	rgb(166, 64, 62)
HSL	hsl(1, 46%, 45%)
HSV	hsv(1, 63%, 65%)
CMYK	cmyk(0%, 61.4%, 62.7%, 34.9%)
CIE-LAB	lab(41.41, 41.94, 23.19)
CIE-LCH	lch(41.41, 47.92, 28.95°)
OKLab	oklab(51.1% 0.1236 0.0557)
OKLCH	oklch(51.1% 0.136 24.2)
XYZ	xyz(18.4305, 12.1240, 5.9261)
Luminance	0.1212 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6403E #3EA4A6

analogous

#A63E70 #A6403E #A6743E

triadic

#A6403E #3EA640 #403EA6

tetradic

#A6403E #70A63E #3EA4A6 #743EA6

square

#A6403E #70A63E #3EA4A6 #743EA6

split-complementary

#A6403E #3EA674 #3E70A6

monochromatic

#4D1E1D #792F2D #A6403E #C3605E #D48C8B

Accessibility & contrast

On white

6.13

#A6403E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#A6403E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6403E

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6403E	#FFFFFF	#000000	##FFFFFF
##A6403E	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543D

Deuteranopia (green-blind)

#746A3B

Tritanopia (blue-blind)

#B62C40

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #a6403e;
/* rgb */ color: rgb(166, 64, 62);
/* oklch */ color: oklch(51.1% 0.136 24.2);

Tailwind

colors: {
  custom: {
    50: '#c67973',
    500: '#a6403e',
    950: '#000000',
  },
}

SCSS

$custom: #a6403e;
$custom-light: #c67973;
$custom-dark: #000000;

JSON

{
  "hex": "#a6403e",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 62
  },
  "hsl": {
    "h": 1.154,
    "s": 45.614,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51104,
    "c": 0.13551,
    "h": 24.2
  },
  "luminance": 0.12122
}

Semantic roles & 50–950 ramp

primary

#A6403E

secondary

#82BDBE

accent

#D3D553

background

#FCF7F6

surface

#F9EEEC

border

#D2C9C7

text

#140908

muted

#827B7B

Preview Lab

Preview with #A6403E

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

Preview Lab → · Contrast checker → · Palette generator →