#A6635B#A6635B

#A6635B is a mid, moderate red. Relative luminance 0.178; OKLCH L 57.2% C 0.088 H 27.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#A6635B
RGB	rgb(166, 99, 91)
HSL	hsl(6, 30%, 50%)
HSV	hsv(6, 45%, 65%)
CMYK	cmyk(0%, 40.4%, 45.2%, 34.9%)
CIE-LAB	lab(49.24, 26.16, 16.15)
CIE-LCH	lch(49.24, 30.74, 31.69°)
OKLab	oklab(57.23% 0.0785 0.0408)
OKLCH	oklch(57.23% 0.088 27.4)
XYZ	xyz(22.0773, 17.7879, 12.1662)
Luminance	0.1779 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6635B #5B9EA6

analogous

#A65B78 #A6635B #A6885B

triadic

#A6635B #5BA663 #635BA6

tetradic

#A6635B #78A65B #5B9EA6 #885BA6

square

#A6635B #78A65B #5B9EA6 #885BA6

split-complementary

#A6635B #5BA688 #5B78A6

monochromatic

#57342F #7F4B45 #A6635B #BC8983 #D1AEAA

Accessibility & contrast

On white

4.61

#A6635B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#A6635B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #A6635B

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6635B	#FFFFFF	#000000	##FFFFFF
##A6635B	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726D5A

Deuteranopia (green-blind)

#827A5A

Tritanopia (blue-blind)

#B35A61

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #a6635b;
/* rgb */ color: rgb(166, 99, 91);
/* oklch */ color: oklch(57.2% 0.088 27.4);

Tailwind

colors: {
  custom: {
    50: '#c39089',
    500: '#a6635b',
    950: '#000000',
  },
}

SCSS

$custom: #a6635b;
$custom-light: #c39089;
$custom-dark: #000000;

JSON

{
  "hex": "#a6635b",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 91
  },
  "hsl": {
    "h": 6.4,
    "s": 29.644,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57233,
    "c": 0.08846,
    "h": 27.4
  },
  "luminance": 0.17786
}

Semantic roles & 50–950 ramp

primary

#A6635B

secondary

#9EBCBF

accent

#BBC662

background

#FCF8F8

surface

#F8F0F0

border

#D1CBCB

text

#130C0B

muted

#827D7C

Preview Lab

Preview with #A6635B

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

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