#668CC0#668CC0

#668CC0 is a light, moderate cyan. Relative luminance 0.254; OKLCH L 63.3% C 0.090 H 256.4°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#668CC0
RGB	rgb(102, 140, 192)
HSL	hsl(215, 42%, 58%)
HSV	hsv(215, 47%, 75%)
CMYK	cmyk(46.9%, 27.1%, 0%, 24.7%)
CIE-LAB	lab(57.45, 1.05, -31.16)
CIE-LCH	lch(57.45, 31.18, 271.93°)
OKLab	oklab(63.31% -0.021 -0.0871)
OKLCH	oklch(63.31% 0.09 256.4)
XYZ	xyz(24.3688, 25.3851, 53.4747)
Luminance	0.2539 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CC0 #C09A66

analogous

#66B9C0 #668CC0 #6D66C0

triadic

#668CC0 #C0668C #8CC066

tetradic

#668CC0 #C066B9 #C09A66 #66C06D

square

#668CC0 #C066B9 #C09A66 #66C06D

split-complementary

#668CC0 #C06D66 #B9C066

monochromatic

#32507A #446DA5 #668CC0 #91ADD2 #BDCDE4

Accessibility & contrast

On white

3.46

#668CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#668CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CC0

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CC0	#FFFFFF	#000000	##000000
##668CC0	1.00	3.46	6.08	6.08
#FFFFFF	3.46	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)

#788FC2

Deuteranopia (green-blind)

#6D86BF

Tritanopia (blue-blind)

#41979E

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #668cc0;
/* rgb */ color: rgb(102, 140, 192);
/* oklch */ color: oklch(63.3% 0.090 256.4);

Tailwind

colors: {
  custom: {
    50: '#96add3',
    500: '#668cc0',
    950: '#000000',
  },
}

SCSS

$custom: #668cc0;
$custom-light: #96add3;
$custom-dark: #000000;

JSON

{
  "hex": "#668cc0",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 192
  },
  "hsl": {
    "h": 214.667,
    "s": 41.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.63314,
    "c": 0.08961,
    "h": 256.4
  },
  "luminance": 0.25387
}

Semantic roles & 50–950 ramp

primary

#668CC0

secondary

#D3C4AF

accent

#9D56D1

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #668CC0

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

Preview Lab → · Contrast checker → · Palette generator →