#668AC2#668AC2

#668AC2 is a light, moderate blue. Relative luminance 0.249; OKLCH L 63.0% C 0.094 H 259.0°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#668AC2
RGB	rgb(102, 138, 194)
HSL	hsl(217, 43%, 58%)
HSV	hsv(217, 47%, 76%)
CMYK	cmyk(47.4%, 28.9%, 0%, 23.9%)
CIE-LAB	lab(56.97, 2.81, -33.03)
CIE-LCH	lch(56.97, 33.15, 274.86°)
OKLab	oklab(62.97% -0.018 -0.0925)
OKLCH	oklch(62.97% 0.094 259)
XYZ	xyz(24.3023, 24.8952, 54.5531)
Luminance	0.2490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AC2 #C29E66

analogous

#66B8C2 #668AC2 #7066C2

triadic

#668AC2 #C2668A #8AC266

tetradic

#668AC2 #C266B8 #C29E66 #66C270

square

#668AC2 #C266B8 #C29E66 #66C270

split-complementary

#668AC2 #C27066 #B8C266

monochromatic

#314F7C #436AA8 #668AC2 #92ABD3 #BECDE5

Accessibility & contrast

On white

3.51

#668AC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#668AC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AC2

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AC2	#FFFFFF	#000000	##000000
##668AC2	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758EC4

Deuteranopia (green-blind)

#6A85C1

Tritanopia (blue-blind)

#40969E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #668ac2;
/* rgb */ color: rgb(102, 138, 194);
/* oklch */ color: oklch(63.0% 0.094 259.0);

Tailwind

colors: {
  custom: {
    50: '#96abd4',
    500: '#668ac2',
    950: '#000000',
  },
}

SCSS

$custom: #668ac2;
$custom-light: #96abd4;
$custom-dark: #000000;

JSON

{
  "hex": "#668ac2",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 194
  },
  "hsl": {
    "h": 216.522,
    "s": 42.991,
    "l": 58.039
  },
  "oklch": {
    "l": 0.6297,
    "c": 0.09423,
    "h": 259
  },
  "luminance": 0.24897
}

Semantic roles & 50–950 ramp

primary

#668AC2

secondary

#D4C6B0

accent

#A255D3

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #668AC2

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

Preview Lab → · Contrast checker → · Palette generator →