#66859B#66859B

#66859B is a mid, muted cyan. Relative luminance 0.220; OKLCH L 60.1% C 0.049 H 239.5°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#66859B
RGB	rgb(102, 133, 155)
HSL	hsl(205, 21%, 50%)
HSV	hsv(205, 34%, 61%)
CMYK	cmyk(34.2%, 14.2%, 0%, 39.2%)
CIE-LAB	lab(53.99, -5.37, -15.28)
CIE-LCH	lch(53.99, 16.20, 250.63°)
OKLab	oklab(60.11% -0.0247 -0.042)
OKLCH	oklch(60.11% 0.049 239.5)
XYZ	xyz(19.7816, 21.9654, 34.2014)
Luminance	0.2197 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66859B #9B7C66

analogous

#669B97 #66859B #666A9B

triadic

#66859B #9B6685 #859B66

tetradic

#66859B #97669B #9B7C66 #6A9B66

square

#66859B #97669B #9B7C66 #6A9B66

split-complementary

#66859B #9B666A #9B9766

monochromatic

#354651 #4D6576 #66859B #8BA3B3 #B0C0CB

Accessibility & contrast

On white

3.89

#66859B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#66859B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66859B

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66859B	#FFFFFF	#000000	##000000
##66859B	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C849C

Deuteranopia (green-blind)

#747F9B

Tritanopia (blue-blind)

#558B8C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #66859b;
/* rgb */ color: rgb(102, 133, 155);
/* oklch */ color: oklch(60.1% 0.049 239.5);

Tailwind

colors: {
  custom: {
    50: '#93a8b8',
    500: '#66859b',
    950: '#000000',
  },
}

SCSS

$custom: #66859b;
$custom-light: #93a8b8;
$custom-dark: #000000;

JSON

{
  "hex": "#66859b",
  "rgb": {
    "r": 102,
    "g": 133,
    "b": 155
  },
  "hsl": {
    "h": 204.906,
    "s": 20.949,
    "l": 50.392
  },
  "oklch": {
    "l": 0.60114,
    "c": 0.0487,
    "h": 239.5
  },
  "luminance": 0.21966
}

Semantic roles & 50–950 ramp

primary

#66859B

secondary

#BAACA3

accent

#8D6ABE

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D0F11

muted

#7E7F80

Preview Lab

Preview with #66859B

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

Preview Lab → · Contrast checker → · Palette generator →