#66585E#66585E

#66585E is a mid, muted grey. Relative luminance 0.106; OKLCH L 47.6% C 0.020 H 350.1°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#66585E
RGB	rgb(102, 88, 94)
HSL	hsl(334, 7%, 37%)
HSV	hsv(334, 14%, 40%)
CMYK	cmyk(0%, 13.7%, 7.8%, 60%)
CIE-LAB	lab(38.92, 6.86, -1.35)
CIE-LCH	lch(38.92, 6.99, 348.86°)
OKLab	oklab(47.61% 0.0201 -0.0035)
OKLCH	oklch(47.61% 0.02 350.1)
XYZ	xyz(10.9894, 10.6126, 12.0570)
Luminance	0.1061 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66585E #586660

analogous

#665865 #66585E #665958

triadic

#66585E #5E6658 #585E66

tetradic

#66585E #656658 #586660 #595866

square

#66585E #656658 #586660 #595866

split-complementary

#66585E #586659 #586566

monochromatic

#241F21 #453C40 #66585E #87747C #A3959B

Accessibility & contrast

On white

6.73

#66585E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#66585E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66585E

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66585E	#FFFFFF	#000000	##FFFFFF
##66585E	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595A5E

Deuteranopia (green-blind)

#5C5C5E

Tritanopia (blue-blind)

#68585A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #66585e;
/* rgb */ color: rgb(102, 88, 94);
/* oklch */ color: oklch(47.6% 0.020 350.1);

Tailwind

colors: {
  custom: {
    50: '#91878b',
    500: '#66585e',
    950: '#000000',
  },
}

SCSS

$custom: #66585e;
$custom-light: #91878b;
$custom-dark: #000000;

JSON

{
  "hex": "#66585e",
  "rgb": {
    "r": 102,
    "g": 88,
    "b": 94
  },
  "hsl": {
    "h": 334.286,
    "s": 7.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.47606,
    "c": 0.0204,
    "h": 350.1
  },
  "luminance": 0.10612
}

Semantic roles & 50–950 ramp

primary

#66585E

secondary

#87938E

accent

#B09877

background

#F8F8F8

surface

#F0EFF0

border

#CBCACB

text

#0C0B0C

muted

#7D7C7D

Preview Lab

Preview with #66585E

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

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