#668BC2#668BC2

#668BC2 is a light, moderate blue. Relative luminance 0.252; OKLCH L 63.2% C 0.093 H 258.1°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#668BC2
RGB	rgb(102, 139, 194)
HSL	hsl(216, 43%, 58%)
HSV	hsv(216, 47%, 76%)
CMYK	cmyk(47.4%, 28.4%, 0%, 23.9%)
CIE-LAB	lab(57.25, 2.23, -32.60)
CIE-LCH	lch(57.25, 32.67, 273.91°)
OKLab	oklab(63.19% -0.0192 -0.0912)
OKLCH	oklch(63.19% 0.093 258.1)
XYZ	xyz(24.4465, 25.1834, 54.6012)
Luminance	0.2519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BC2 #C29D66

analogous

#66B9C2 #668BC2 #6F66C2

triadic

#668BC2 #C2668B #8BC266

tetradic

#668BC2 #C266B9 #C29D66 #66C26F

square

#668BC2 #C266B9 #C29D66 #66C26F

split-complementary

#668BC2 #C26F66 #B9C266

monochromatic

#314F7C #436CA8 #668BC2 #92ACD3 #BECDE5

Accessibility & contrast

On white

3.48

#668BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#668BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BC2

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BC2	#FFFFFF	#000000	##000000
##668BC2	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)

#768EC4

Deuteranopia (green-blind)

#6B85C1

Tritanopia (blue-blind)

#40979E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #668bc2;
/* rgb */ color: rgb(102, 139, 194);
/* oklch */ color: oklch(63.2% 0.093 258.1);

Tailwind

colors: {
  custom: {
    50: '#96acd4',
    500: '#668bc2',
    950: '#000000',
  },
}

SCSS

$custom: #668bc2;
$custom-light: #96acd4;
$custom-dark: #000000;

JSON

{
  "hex": "#668bc2",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 194
  },
  "hsl": {
    "h": 215.87,
    "s": 42.991,
    "l": 58.039
  },
  "oklch": {
    "l": 0.6319,
    "c": 0.09324,
    "h": 258.1
  },
  "luminance": 0.25185
}

Semantic roles & 50–950 ramp

primary

#668BC2

secondary

#D4C5B0

accent

#A055D3

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #668BC2

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

Preview Lab → · Contrast checker → · Palette generator →