#66909E#66909E

#66909E is a light, muted cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.051 H 220.6°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#66909E
RGB	rgb(102, 144, 158)
HSL	hsl(195, 22%, 51%)
HSV	hsv(195, 35%, 62%)
CMYK	cmyk(35.4%, 8.9%, 0%, 38%)
CIE-LAB	lab(57.31, -10.75, -12.00)
CIE-LCH	lch(57.31, 16.11, 228.14°)
OKLab	oklab(62.78% -0.0384 -0.0329)
OKLCH	oklch(62.78% 0.051 220.6)
XYZ	xyz(21.6222, 25.2387, 36.0734)
Luminance	0.2524 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66909E #9E7466

analogous

#669E90 #66909E #66749E

triadic

#66909E #9E6690 #909E66

tetradic

#66909E #90669E #9E7466 #749E66

square

#66909E #90669E #9E7466 #749E66

split-complementary

#66909E #9E6674 #9E9066

monochromatic

#354D54 #4D6F7A #66909E #8BABB6 #B1C6CD

Accessibility & contrast

On white

3.47

#66909E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#66909E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66909E

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66909E	#FFFFFF	#000000	##000000
##66909E	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#878E9F

Deuteranopia (green-blind)

#7F879E

Tritanopia (blue-blind)

#529594

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #66909e;
/* rgb */ color: rgb(102, 144, 158);
/* oklch */ color: oklch(62.8% 0.051 220.6);

Tailwind

colors: {
  custom: {
    50: '#94b0ba',
    500: '#66909e',
    950: '#000000',
  },
}

SCSS

$custom: #66909e;
$custom-light: #94b0ba;
$custom-dark: #000000;

JSON

{
  "hex": "#66909e",
  "rgb": {
    "r": 102,
    "g": 144,
    "b": 158
  },
  "hsl": {
    "h": 195,
    "s": 22.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62775,
    "c": 0.05052,
    "h": 220.6
  },
  "luminance": 0.2524
}

Semantic roles & 50–950 ramp

primary

#66909E

secondary

#BCAAA3

accent

#7E69BF

background

#F9FAFB

surface

#F1F4F6

border

#CBCED0

text

#0D1011

muted

#7E7F80

Preview Lab

Preview with #66909E

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

Preview Lab → · Contrast checker → · Palette generator →