#A6635A#A6635A

#A6635A is a mid, moderate red. Relative luminance 0.178; OKLCH L 57.2% C 0.089 H 28.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#A6635A
RGB	rgb(166, 99, 90)
HSL	hsl(7, 30%, 50%)
HSV	hsv(7, 46%, 65%)
CMYK	cmyk(0%, 40.4%, 45.8%, 34.9%)
CIE-LAB	lab(49.22, 26.05, 16.71)
CIE-LCH	lch(49.22, 30.95, 32.68°)
OKLab	oklab(57.21% 0.0781 0.0421)
OKLCH	oklch(57.21% 0.089 28.3)
XYZ	xyz(22.0344, 17.7708, 11.9405)
Luminance	0.1777 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6635A #5A9DA6

analogous

#A65A77 #A6635A #A6895A

triadic

#A6635A #5AA663 #635AA6

tetradic

#A6635A #77A65A #5A9DA6 #895AA6

square

#A6635A #77A65A #5A9DA6 #895AA6

split-complementary

#A6635A #5AA689 #5A77A6

monochromatic

#57342F #7F4B44 #A6635A #BB8982 #D1AEAA

Accessibility & contrast

On white

4.61

#A6635A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#A6635A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #A6635A

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6635A	#FFFFFF	#000000	##FFFFFF
##A6635A	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726D59

Deuteranopia (green-blind)

#827A59

Tritanopia (blue-blind)

#B35A61

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #a6635a;
/* rgb */ color: rgb(166, 99, 90);
/* oklch */ color: oklch(57.2% 0.089 28.3);

Tailwind

colors: {
  custom: {
    50: '#c39088',
    500: '#a6635a',
    950: '#000000',
  },
}

SCSS

$custom: #a6635a;
$custom-light: #c39088;
$custom-dark: #000000;

JSON

{
  "hex": "#a6635a",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 90
  },
  "hsl": {
    "h": 7.105,
    "s": 29.921,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5721,
    "c": 0.08872,
    "h": 28.3
  },
  "luminance": 0.17769
}

Semantic roles & 50–950 ramp

primary

#A6635A

secondary

#9DBBBF

accent

#BAC662

background

#FCF8F8

surface

#F8F0EF

border

#D1CBCA

text

#130C0B

muted

#827D7C

Preview Lab

Preview with #A6635A

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

Preview Lab → · Contrast checker → · Palette generator →