#668EB3#668EB3

#668EB3 is a light, moderate cyan. Relative luminance 0.254; OKLCH L 63.2% C 0.071 H 247.1°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#668EB3
RGB	rgb(102, 142, 179)
HSL	hsl(209, 34%, 55%)
HSV	hsv(209, 43%, 70%)
CMYK	cmyk(43%, 20.7%, 0%, 29.8%)
CIE-LAB	lab(57.49, -3.88, -23.72)
CIE-LCH	lch(57.49, 24.03, 260.70°)
OKLab	oklab(63.17% -0.0278 -0.0658)
OKLCH	oklch(63.17% 0.071 247.1)
XYZ	xyz(23.2865, 25.4240, 46.3194)
Luminance	0.2542 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EB3 #B38B66

analogous

#66B3B1 #668EB3 #6668B3

triadic

#668EB3 #B3668E #8EB366

tetradic

#668EB3 #B166B3 #B38B66 #68B366

square

#668EB3 #B166B3 #B38B66 #68B366

split-complementary

#668EB3 #B36668 #B3B166

monochromatic

#35506A #496F93 #668EB3 #8FACC7 #B8CADC

Accessibility & contrast

On white

3.45

#668EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#668EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EB3

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EB3	#FFFFFF	#000000	##000000
##668EB3	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8FB5

Deuteranopia (green-blind)

#7587B2

Tritanopia (blue-blind)

#48979A

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #668eb3;
/* rgb */ color: rgb(102, 142, 179);
/* oklch */ color: oklch(63.2% 0.071 247.1);

Tailwind

colors: {
  custom: {
    50: '#95afc9',
    500: '#668eb3',
    950: '#000000',
  },
}

SCSS

$custom: #668eb3;
$custom-light: #95afc9;
$custom-dark: #000000;

JSON

{
  "hex": "#668eb3",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 208.831,
    "s": 33.624,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63168,
    "c": 0.07145,
    "h": 247.1
  },
  "luminance": 0.25425
}

Semantic roles & 50–950 ramp

primary

#668EB3

secondary

#CBBAAA

accent

#925ECA

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #668EB3

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

Preview Lab → · Contrast checker → · Palette generator →