#666E70#666E70

#666E70 is a mid, near-neutral grey. Relative luminance 0.151; OKLCH L 53.2% C 0.010 H 214.4°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#666E70
RGB	rgb(102, 110, 112)
HSL	hsl(192, 5%, 42%)
HSV	hsv(192, 9%, 44%)
CMYK	cmyk(8.9%, 1.8%, 0%, 56.1%)
CIE-LAB	lab(45.83, -2.60, -2.16)
CIE-LCH	lch(45.83, 3.38, 219.71°)
OKLab	oklab(53.21% -0.0085 -0.0058)
OKLCH	oklch(53.21% 0.01 214.4)
XYZ	xyz(13.9794, 15.1463, 17.5131)
Luminance	0.1515 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E70 #706866

analogous

#66706D #666E70 #666970

triadic

#666E70 #70666E #6E7066

tetradic

#666E70 #6D6670 #706866 #697066

square

#666E70 #6D6670 #706866 #697066

split-complementary

#666E70 #706669 #706D66

monochromatic

#2C2F30 #494F50 #666E70 #848D8F #A4ABAC

Accessibility & contrast

On white

5.21

#666E70 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#666E70 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E70

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E70	#FFFFFF	#000000	##FFFFFF
##666E70	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6D70

Deuteranopia (green-blind)

#6B6C70

Tritanopia (blue-blind)

#636F6F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #666e70;
/* rgb */ color: rgb(102, 110, 112);
/* oklch */ color: oklch(53.2% 0.010 214.4);

Tailwind

colors: {
  custom: {
    50: '#919799',
    500: '#666e70',
    950: '#000000',
  },
}

SCSS

$custom: #666e70;
$custom-light: #919799;
$custom-dark: #000000;

JSON

{
  "hex": "#666e70",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 112
  },
  "hsl": {
    "h": 192,
    "s": 4.673,
    "l": 41.961
  },
  "oklch": {
    "l": 0.53206,
    "c": 0.01027,
    "h": 214.4
  },
  "luminance": 0.15146
}

Semantic roles & 50–950 ramp

primary

#666E70

secondary

#9C9796

accent

#847AAE

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0D0D

muted

#7D7E7E

Preview Lab

Preview with #666E70

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

Preview Lab → · Contrast checker → · Palette generator →