#66859E#66859E

#66859E is a mid, muted cyan. Relative luminance 0.221; OKLCH L 60.2% C 0.052 H 243.1°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#66859E
RGB	rgb(102, 133, 158)
HSL	hsl(207, 22%, 51%)
HSV	hsv(207, 35%, 62%)
CMYK	cmyk(35.4%, 15.8%, 0%, 38%)
CIE-LAB	lab(54.10, -4.57, -16.85)
CIE-LCH	lch(54.10, 17.46, 254.82°)
OKLab	oklab(60.24% -0.0236 -0.0464)
OKLCH	oklch(60.24% 0.052 243.1)
XYZ	xyz(20.0366, 22.0675, 35.5448)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66859E #9E7F66

analogous

#669E9B #66859E #66699E

triadic

#66859E #9E6685 #859E66

tetradic

#66859E #9B669E #9E7F66 #699E66

square

#66859E #9B669E #9E7F66 #699E66

split-complementary

#66859E #9E6669 #9E9B66

monochromatic

#354654 #4D667A #66859E #8BA3B6 #B1C1CD

Accessibility & contrast

On white

3.88

#66859E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#66859E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66859E

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66859E	#FFFFFF	#000000	##000000
##66859E	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)

#7B859F

Deuteranopia (green-blind)

#737F9E

Tritanopia (blue-blind)

#548B8D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #66859e;
/* rgb */ color: rgb(102, 133, 158);
/* oklch */ color: oklch(60.2% 0.052 243.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66859e",
  "rgb": {
    "r": 102,
    "g": 133,
    "b": 158
  },
  "hsl": {
    "h": 206.786,
    "s": 22.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.60235,
    "c": 0.05202,
    "h": 243.1
  },
  "luminance": 0.22068
}

Semantic roles & 50–950 ramp

primary

#66859E

secondary

#BCAFA3

accent

#8F69BF

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D0F11

muted

#7E7F80

Preview Lab

Preview with #66859E

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

Preview Lab → · Contrast checker → · Palette generator →