#666A76#666A76

#666A76 is a mid, near-neutral grey. Relative luminance 0.144; OKLCH L 52.5% C 0.019 H 271.0°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#666A76
RGB	rgb(102, 106, 118)
HSL	hsl(225, 7%, 43%)
HSV	hsv(225, 14%, 46%)
CMYK	cmyk(13.6%, 10.2%, 0%, 53.7%)
CIE-LAB	lab(44.86, 1.13, -7.21)
CIE-LCH	lch(44.86, 7.29, 278.87°)
OKLab	oklab(52.5% 0.0004 -0.0194)
OKLCH	oklch(52.5% 0.019 271)
XYZ	xyz(13.9028, 14.4407, 19.1909)
Luminance	0.1444 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666A76 #767266

analogous

#667276 #666A76 #6A6676

triadic

#666A76 #76666A #6A7666

tetradic

#666A76 #766672 #767266 #66766A

square

#666A76 #766672 #767266 #66766A

split-complementary

#666A76 #766A66 #727666

monochromatic

#2D2F34 #4A4D55 #666A76 #848895 #A5A8B1

Accessibility & contrast

On white

5.40

#666A76 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#666A76 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666A76

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666A76	#FFFFFF	#000000	##FFFFFF
##666A76	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#676B77

Deuteranopia (green-blind)

#666A76

Tritanopia (blue-blind)

#626C6E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666a76;
/* rgb */ color: rgb(102, 106, 118);
/* oklch */ color: oklch(52.5% 0.019 271.0);

Tailwind

colors: {
  custom: {
    50: '#91949d',
    500: '#666a76',
    950: '#000000',
  },
}

SCSS

$custom: #666a76;
$custom-light: #91949d;
$custom-dark: #000000;

JSON

{
  "hex": "#666a76",
  "rgb": {
    "r": 102,
    "g": 106,
    "b": 118
  },
  "hsl": {
    "h": 225,
    "s": 7.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52502,
    "c": 0.01944,
    "h": 271
  },
  "luminance": 0.14441
}

Semantic roles & 50–950 ramp

primary

#666A76

secondary

#A19E97

accent

#A277B0

background

#F8F9F9

surface

#F0F1F2

border

#CBCBCC

text

#0C0D0E

muted

#7D7E7E

Preview Lab

Preview with #666A76

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

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