#666C76#666C76

#666C76 is a mid, near-neutral grey. Relative luminance 0.149; OKLCH L 53.0% C 0.017 H 260.7°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#666C76
RGB	rgb(102, 108, 118)
HSL	hsl(218, 7%, 43%)
HSV	hsv(218, 14%, 46%)
CMYK	cmyk(13.6%, 8.5%, 0%, 53.7%)
CIE-LAB	lab(45.44, -0.07, -6.34)
CIE-LCH	lch(45.44, 6.34, 269.41°)
OKLab	oklab(52.96% -0.0028 -0.0171)
OKLCH	oklch(52.96% 0.017 260.7)
XYZ	xyz(14.1113, 14.8577, 19.2604)
Luminance	0.1486 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666C76 #767066

analogous

#667476 #666C76 #686676

triadic

#666C76 #76666C #6C7666

tetradic

#666C76 #766674 #767066 #667668

square

#666C76 #766674 #767066 #667668

split-complementary

#666C76 #766866 #747666

monochromatic

#2D3034 #4A4E55 #666C76 #848B95 #A5AAB1

Accessibility & contrast

On white

5.29

#666C76 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#666C76 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666C76

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666C76	#FFFFFF	#000000	##FFFFFF
##666C76	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696C77

Deuteranopia (green-blind)

#676B76

Tritanopia (blue-blind)

#626E6F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #666c76;
/* rgb */ color: rgb(102, 108, 118);
/* oklch */ color: oklch(53.0% 0.017 260.7);

Tailwind

colors: {
  custom: {
    50: '#91969d',
    500: '#666c76',
    950: '#000000',
  },
}

SCSS

$custom: #666c76;
$custom-light: #91969d;
$custom-dark: #000000;

JSON

{
  "hex": "#666c76",
  "rgb": {
    "r": 102,
    "g": 108,
    "b": 118
  },
  "hsl": {
    "h": 217.5,
    "s": 7.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.52958,
    "c": 0.01733,
    "h": 260.7
  },
  "luminance": 0.14858
}

Semantic roles & 50–950 ramp

primary

#666C76

secondary

#A19D97

accent

#9B77B0

background

#F8F9F9

surface

#F0F1F2

border

#CBCBCC

text

#0C0D0E

muted

#7D7E7E

Preview Lab

Preview with #666C76

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

Preview Lab → · Contrast checker → · Palette generator →