#668AA4#668AA4

#668AA4 is a mid, muted cyan. Relative luminance 0.237; OKLCH L 61.6% C 0.056 H 240.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#668AA4
RGB	rgb(102, 138, 164)
HSL	hsl(205, 25%, 52%)
HSV	hsv(205, 38%, 64%)
CMYK	cmyk(37.8%, 15.9%, 0%, 35.7%)
CIE-LAB	lab(55.77, -5.79, -17.77)
CIE-LCH	lch(55.77, 18.69, 251.94°)
OKLab	oklab(61.62% -0.028 -0.049)
OKLCH	oklch(61.62% 0.056 240.2)
XYZ	xyz(21.2666, 23.6809, 38.5650)
Luminance	0.2368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AA4 #A48066

analogous

#66A49F #668AA4 #666BA4

triadic

#668AA4 #A4668A #8AA466

tetradic

#668AA4 #9F66A4 #A48066 #6BA466

square

#668AA4 #9F66A4 #A48066 #6BA466

split-complementary

#668AA4 #A4666B #A49F66

monochromatic

#364B5A #4C6B80 #668AA4 #8CA7BB #B3C5D2

Accessibility & contrast

On white

3.66

#668AA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#668AA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AA4

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AA4	#FFFFFF	#000000	##000000
##668AA4	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F89A5

Deuteranopia (green-blind)

#7783A4

Tritanopia (blue-blind)

#509092

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #668aa4;
/* rgb */ color: rgb(102, 138, 164);
/* oklch */ color: oklch(61.6% 0.056 240.2);

Tailwind

colors: {
  custom: {
    50: '#94acbf',
    500: '#668aa4',
    950: '#000000',
  },
}

SCSS

$custom: #668aa4;
$custom-light: #94acbf;
$custom-dark: #000000;

JSON

{
  "hex": "#668aa4",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 164
  },
  "hsl": {
    "h": 205.161,
    "s": 25.41,
    "l": 52.157
  },
  "oklch": {
    "l": 0.61624,
    "c": 0.05643,
    "h": 240.2
  },
  "luminance": 0.23682
}

Semantic roles & 50–950 ramp

primary

#668AA4

secondary

#C0B1A5

accent

#8C66C2

background

#F9FAFB

surface

#F2F4F7

border

#CCCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #668AA4

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

Preview Lab → · Contrast checker → · Palette generator →