#66A5A7#66A5A7

#66A5A7 is a light, moderate teal. Relative luminance 0.325; OKLCH L 68.0% C 0.065 H 198.3°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#66A5A7
RGB	rgb(102, 165, 167)
HSL	hsl(182, 27%, 53%)
HSV	hsv(182, 39%, 65%)
CMYK	cmyk(38.9%, 1.2%, 0%, 34.5%)
CIE-LAB	lab(63.77, -19.66, -7.43)
CIE-LCH	lch(63.77, 21.02, 200.69°)
OKLab	oklab(68.03% -0.0616 -0.0204)
OKLCH	oklch(68.03% 0.065 198.3)
XYZ	xyz(25.9071, 32.5233, 41.4642)
Luminance	0.3252 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A5A7 #A76866

analogous

#66A788 #66A5A7 #6684A7

triadic

#66A5A7 #A766A5 #A5A766

tetradic

#66A5A7 #8866A7 #A76866 #84A766

square

#66A5A7 #8866A7 #A76866 #84A766

split-complementary

#66A5A7 #A76684 #A78866

monochromatic

#365C5D #4C8284 #66A5A7 #8DBCBD #B4D3D4

Accessibility & contrast

On white

2.80

#66A5A7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#66A5A7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A5A7

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A5A7	#FFFFFF	#000000	##000000
##66A5A7	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DA0A7

Deuteranopia (green-blind)

#9197A7

Tritanopia (blue-blind)

#4AA9A5

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #66a5a7;
/* rgb */ color: rgb(102, 165, 167);
/* oklch */ color: oklch(68.0% 0.065 198.3);

Tailwind

colors: {
  custom: {
    50: '#95c0c1',
    500: '#66a5a7',
    950: '#000000',
  },
}

SCSS

$custom: #66a5a7;
$custom-light: #95c0c1;
$custom-dark: #000000;

JSON

{
  "hex": "#66a5a7",
  "rgb": {
    "r": 102,
    "g": 165,
    "b": 167
  },
  "hsl": {
    "h": 181.846,
    "s": 26.971,
    "l": 52.745
  },
  "oklch": {
    "l": 0.68027,
    "c": 0.06493,
    "h": 198.3
  },
  "luminance": 0.32525
}

Semantic roles & 50–950 ramp

primary

#66A5A7

secondary

#C2A7A6

accent

#6764C3

background

#F9FBFB

surface

#F2F7F7

border

#CCD0D0

text

#0D1212

muted

#7E8181

Preview Lab

Preview with #66A5A7

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

Preview Lab → · Contrast checker → · Palette generator →