#A66563#A66563

#A66563 is a mid, moderate red. Relative luminance 0.183; OKLCH L 57.8% C 0.085 H 21.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#A66563
RGB	rgb(166, 101, 99)
HSL	hsl(2, 27%, 52%)
HSV	hsv(2, 40%, 65%)
CMYK	cmyk(0%, 39.2%, 40.4%, 34.9%)
CIE-LAB	lab(49.88, 25.95, 12.29)
CIE-LCH	lch(49.88, 28.71, 25.34°)
OKLab	oklab(57.78% 0.0784 0.0315)
OKLCH	oklch(57.78% 0.085 21.9)
XYZ	xyz(22.6328, 18.3171, 14.1455)
Luminance	0.1832 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A66563 #63A4A6

analogous

#A66383 #A66563 #A68763

triadic

#A66563 #63A665 #6563A6

tetradic

#A66563 #83A663 #63A4A6 #8763A6

square

#A66563 #83A663 #63A4A6 #8763A6

split-complementary

#A66563 #63A687 #6383A6

monochromatic

#5B3534 #824C4A #A66563 #BC8B8A #D2B2B1

Accessibility & contrast

On white

4.50

#A66563 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#A66563 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A66563

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A66563	#FFFFFF	#000000	##000000
##A66563	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#726F63

Deuteranopia (green-blind)

#827C62

Tritanopia (blue-blind)

#B25D65

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #a66563;
/* rgb */ color: rgb(166, 101, 99);
/* oklch */ color: oklch(57.8% 0.085 21.9);

Tailwind

colors: {
  custom: {
    50: '#c3918f',
    500: '#a66563',
    950: '#000000',
  },
}

SCSS

$custom: #a66563;
$custom-light: #c3918f;
$custom-dark: #000000;

JSON

{
  "hex": "#a66563",
  "rgb": {
    "r": 166,
    "g": 101,
    "b": 99
  },
  "hsl": {
    "h": 1.791,
    "s": 27.347,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57781,
    "c": 0.08453,
    "h": 21.9
  },
  "luminance": 0.18315
}

Semantic roles & 50–950 ramp

primary

#A66563

secondary

#A4C0C1

accent

#C1C464

background

#FCF9F8

surface

#F8F1F0

border

#D1CBCB

text

#130D0C

muted

#827E7D

Preview Lab

Preview with #A66563

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

Preview Lab → · Contrast checker → · Palette generator →