#668FB3#668FB3

#668FB3 is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.4% C 0.071 H 245.7°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#668FB3
RGB	rgb(102, 143, 179)
HSL	hsl(208, 34%, 55%)
HSV	hsv(208, 43%, 70%)
CMYK	cmyk(43%, 20.1%, 0%, 29.8%)
CIE-LAB	lab(57.77, -4.45, -23.28)
CIE-LCH	lch(57.77, 23.70, 259.17°)
OKLab	oklab(63.39% -0.0291 -0.0645)
OKLCH	oklch(63.39% 0.071 245.7)
XYZ	xyz(23.4359, 25.7229, 46.3692)
Luminance	0.2572 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FB3 #B38A66

analogous

#66B3B0 #668FB3 #6669B3

triadic

#668FB3 #B3668F #8FB366

tetradic

#668FB3 #B066B3 #B38A66 #69B366

square

#668FB3 #B066B3 #B38A66 #69B366

split-complementary

#668FB3 #B36669 #B3B066

monochromatic

#35516A #497093 #668FB3 #8FADC7 #B8CBDC

Accessibility & contrast

On white

3.42

#668FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#668FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FB3

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FB3	#FFFFFF	#000000	##000000
##668FB3	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808FB5

Deuteranopia (green-blind)

#7687B2

Tritanopia (blue-blind)

#48989B

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #668fb3;
/* rgb */ color: rgb(102, 143, 179);
/* oklch */ color: oklch(63.4% 0.071 245.7);

Tailwind

colors: {
  custom: {
    50: '#95afc9',
    500: '#668fb3',
    950: '#000000',
  },
}

SCSS

$custom: #668fb3;
$custom-light: #95afc9;
$custom-dark: #000000;

JSON

{
  "hex": "#668fb3",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 208.052,
    "s": 33.624,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63394,
    "c": 0.07081,
    "h": 245.7
  },
  "luminance": 0.25724
}

Semantic roles & 50–950 ramp

primary

#668FB3

secondary

#CBB9AA

accent

#905ECA

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #668FB3

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

Preview Lab → · Contrast checker → · Palette generator →