#66859D#66859D

#66859D is a mid, muted cyan. Relative luminance 0.220; OKLCH L 60.2% C 0.051 H 241.9°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#66859D
RGB	rgb(102, 133, 157)
HSL	hsl(206, 22%, 51%)
HSV	hsv(206, 35%, 62%)
CMYK	cmyk(35%, 15.3%, 0%, 38.4%)
CIE-LAB	lab(54.06, -4.84, -16.33)
CIE-LCH	lch(54.06, 17.03, 253.49°)
OKLab	oklab(60.19% -0.0239 -0.0449)
OKLCH	oklch(60.19% 0.051 241.9)
XYZ	xyz(19.9509, 22.0332, 35.0933)
Luminance	0.2203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66859D #9D7E66

analogous

#669D99 #66859D #66699D

triadic

#66859D #9D6685 #859D66

tetradic

#66859D #99669D #9D7E66 #699D66

square

#66859D #99669D #9D7E66 #699D66

split-complementary

#66859D #9D6669 #9D9966

monochromatic

#354653 #4D6679 #66859D #8BA3B5 #B1C0CD

Accessibility & contrast

On white

3.88

#66859D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#66859D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66859D

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66859D	#FFFFFF	#000000	##000000
##66859D	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B859E

Deuteranopia (green-blind)

#747F9D

Tritanopia (blue-blind)

#548B8D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #66859d;
/* rgb */ color: rgb(102, 133, 157);
/* oklch */ color: oklch(60.2% 0.051 241.9);

Tailwind

colors: {
  custom: {
    50: '#93a8ba',
    500: '#66859d',
    950: '#000000',
  },
}

SCSS

$custom: #66859d;
$custom-light: #93a8ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66859d",
  "rgb": {
    "r": 102,
    "g": 133,
    "b": 157
  },
  "hsl": {
    "h": 206.182,
    "s": 21.912,
    "l": 50.784
  },
  "oklch": {
    "l": 0.60194,
    "c": 0.05089,
    "h": 241.9
  },
  "luminance": 0.22034
}

Semantic roles & 50–950 ramp

primary

#66859D

secondary

#BCAEA3

accent

#8E69BE

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D0F11

muted

#7E7F80

Preview Lab

Preview with #66859D

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

Preview Lab → · Contrast checker → · Palette generator →