#668CAA#668CAA

#668CAA is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.3% C 0.062 H 242.7°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#668CAA
RGB	rgb(102, 140, 170)
HSL	hsl(206, 29%, 53%)
HSV	hsv(206, 40%, 67%)
CMYK	cmyk(40%, 17.6%, 0%, 33.3%)
CIE-LAB	lab(56.57, -5.28, -19.99)
CIE-LCH	lch(56.57, 20.67, 255.21°)
OKLab	oklab(62.33% -0.0285 -0.0552)
OKLCH	oklch(62.33% 0.062 242.7)
XYZ	xyz(22.1109, 24.4819, 41.5828)
Luminance	0.2448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CAA #AA8466

analogous

#66AAA6 #668CAA #666AAA

triadic

#668CAA #AA668C #8CAA66

tetradic

#668CAA #A666AA #AA8466 #6AAA66

square

#668CAA #A666AA #AA8466 #6AAA66

split-complementary

#668CAA #AA666A #AAA666

monochromatic

#354D60 #4B6D88 #668CAA #8DAAC0 #B5C7D6

Accessibility & contrast

On white

3.56

#668CAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#668CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CAA

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CAA	#FFFFFF	#000000	##000000
##668CAA	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8CAB

Deuteranopia (green-blind)

#7784A9

Tritanopia (blue-blind)

#4D9396

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #668caa;
/* rgb */ color: rgb(102, 140, 170);
/* oklch */ color: oklch(62.3% 0.062 242.7);

Tailwind

colors: {
  custom: {
    50: '#94adc3',
    500: '#668caa',
    950: '#000000',
  },
}

SCSS

$custom: #668caa;
$custom-light: #94adc3;
$custom-dark: #000000;

JSON

{
  "hex": "#668caa",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 170
  },
  "hsl": {
    "h": 206.471,
    "s": 28.571,
    "l": 53.333
  },
  "oklch": {
    "l": 0.6233,
    "c": 0.06213,
    "h": 242.7
  },
  "luminance": 0.24483
}

Semantic roles & 50–950 ramp

primary

#668CAA

secondary

#C5B4A7

accent

#8E63C5

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #668CAA

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

Preview Lab → · Contrast checker → · Palette generator →