#668CC2#668CC2

#668CC2 is a light, moderate blue. Relative luminance 0.255; OKLCH L 63.4% C 0.092 H 257.2°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#668CC2
RGB	rgb(102, 140, 194)
HSL	hsl(215, 43%, 58%)
HSV	hsv(215, 47%, 76%)
CMYK	cmyk(47.4%, 27.8%, 0%, 23.9%)
CIE-LAB	lab(57.53, 1.65, -32.16)
CIE-LCH	lch(57.53, 32.20, 272.93°)
OKLab	oklab(63.41% -0.0204 -0.09)
OKLCH	oklch(63.41% 0.092 257.2)
XYZ	xyz(24.5919, 25.4744, 54.6497)
Luminance	0.2548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CC2 #C29C66

analogous

#66BAC2 #668CC2 #6E66C2

triadic

#668CC2 #C2668C #8CC266

tetradic

#668CC2 #C266BA #C29C66 #66C26E

square

#668CC2 #C266BA #C29C66 #66C26E

split-complementary

#668CC2 #C26E66 #BAC266

monochromatic

#31507C #436DA8 #668CC2 #92ADD3 #BECEE5

Accessibility & contrast

On white

3.45

#668CC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#668CC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CC2

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CC2	#FFFFFF	#000000	##000000
##668CC2	1.00	3.45	6.10	6.10
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778FC4

Deuteranopia (green-blind)

#6D86C1

Tritanopia (blue-blind)

#3F989F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #668cc2;
/* rgb */ color: rgb(102, 140, 194);
/* oklch */ color: oklch(63.4% 0.092 257.2);

Tailwind

colors: {
  custom: {
    50: '#96add4',
    500: '#668cc2',
    950: '#000000',
  },
}

SCSS

$custom: #668cc2;
$custom-light: #96add4;
$custom-dark: #000000;

JSON

{
  "hex": "#668cc2",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 194
  },
  "hsl": {
    "h": 215.217,
    "s": 42.991,
    "l": 58.039
  },
  "oklch": {
    "l": 0.6341,
    "c": 0.09227,
    "h": 257.2
  },
  "luminance": 0.25476
}

Semantic roles & 50–950 ramp

primary

#668CC2

secondary

#D4C5B0

accent

#9F55D3

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #668CC2

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

Preview Lab → · Contrast checker → · Palette generator →