#668CB7#668CB7

#668CB7 is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.9% C 0.078 H 252.1°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#668CB7
RGB	rgb(102, 140, 183)
HSL	hsl(212, 36%, 56%)
HSV	hsv(212, 44%, 72%)
CMYK	cmyk(44.3%, 23.5%, 0%, 28.2%)
CIE-LAB	lab(57.07, -1.59, -26.63)
CIE-LCH	lch(57.07, 26.68, 266.58°)
OKLab	oklab(62.9% -0.0239 -0.0741)
OKLCH	oklch(62.9% 0.078 252.1)
XYZ	xyz(23.4020, 24.9984, 48.3826)
Luminance	0.2500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CB7 #B79166

analogous

#66B4B7 #668CB7 #6866B7

triadic

#668CB7 #B7668C #8CB766

tetradic

#668CB7 #B766B4 #B79166 #66B768

square

#668CB7 #B766B4 #B79166 #66B768

split-complementary

#668CB7 #B76866 #B4B766

monochromatic

#344F6F #486D98 #668CB7 #90ABCB #B9CBDE

Accessibility & contrast

On white

3.50

#668CB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#668CB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CB7

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CB7	#FFFFFF	#000000	##000000
##668CB7	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8DB9

Deuteranopia (green-blind)

#7185B6

Tritanopia (blue-blind)

#46969B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #668cb7;
/* rgb */ color: rgb(102, 140, 183);
/* oklch */ color: oklch(62.9% 0.078 252.1);

Tailwind

colors: {
  custom: {
    50: '#95adcc',
    500: '#668cb7',
    950: '#000000',
  },
}

SCSS

$custom: #668cb7;
$custom-light: #95adcc;
$custom-dark: #000000;

JSON

{
  "hex": "#668cb7",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 183
  },
  "hsl": {
    "h": 211.852,
    "s": 36,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62896,
    "c": 0.07787,
    "h": 252.1
  },
  "luminance": 0.25
}

Semantic roles & 50–950 ramp

primary

#668CB7

secondary

#CDBDAC

accent

#975CCC

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1013

muted

#7E7F82

Preview Lab

Preview with #668CB7

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

Preview Lab → · Contrast checker → · Palette generator →