#668CBC#668CBC

#668CBC is a light, moderate cyan. Relative luminance 0.252; OKLCH L 63.1% C 0.084 H 254.7°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#668CBC
RGB	rgb(102, 140, 188)
HSL	hsl(213, 39%, 57%)
HSV	hsv(213, 46%, 74%)
CMYK	cmyk(45.7%, 25.5%, 0%, 26.3%)
CIE-LAB	lab(57.28, -0.13, -29.15)
CIE-LCH	lch(57.28, 29.15, 269.74°)
OKLab	oklab(63.13% -0.0223 -0.0813)
OKLCH	oklch(63.13% 0.084 254.7)
XYZ	xyz(23.9317, 25.2102, 51.1722)
Luminance	0.2521 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CBC #BC9666

analogous

#66B7BC #668CBC #6B66BC

triadic

#668CBC #BC668C #8CBC66

tetradic

#668CBC #BC66B7 #BC9666 #66BC6B

square

#668CBC #BC66B7 #BC9666 #66BC6B

split-complementary

#668CBC #BC6B66 #B7BC66

monochromatic

#335075 #466D9F #668CBC #91ACCF #BBCCE1

Accessibility & contrast

On white

3.48

#668CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#668CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CBC

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CBC	#FFFFFF	#000000	##000000
##668CBC	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8EBE

Deuteranopia (green-blind)

#6F86BB

Tritanopia (blue-blind)

#43979C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #668cbc;
/* rgb */ color: rgb(102, 140, 188);
/* oklch */ color: oklch(63.1% 0.084 254.7);

Tailwind

colors: {
  custom: {
    50: '#96add0',
    500: '#668cbc',
    950: '#000000',
  },
}

SCSS

$custom: #668cbc;
$custom-light: #96add0;
$custom-dark: #000000;

JSON

{
  "hex": "#668cbc",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 188
  },
  "hsl": {
    "h": 213.488,
    "s": 39.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63126,
    "c": 0.08433,
    "h": 254.7
  },
  "luminance": 0.25212
}

Semantic roles & 50–950 ramp

primary

#668CBC

secondary

#D0C1AD

accent

#9B59CF

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #668CBC

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

Preview Lab → · Contrast checker → · Palette generator →