#668CD2#668CD2

#668CD2 is a light, moderate blue. Relative luminance 0.262; OKLCH L 64.2% C 0.114 H 261.9°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#668CD2
RGB	rgb(102, 140, 210)
HSL	hsl(219, 55%, 61%)
HSV	hsv(219, 51%, 82%)
CMYK	cmyk(51.4%, 33.3%, 0%, 17.6%)
CIE-LAB	lab(58.26, 6.51, -40.05)
CIE-LCH	lch(58.26, 40.58, 279.24°)
OKLab	oklab(64.21% -0.016 -0.1128)
OKLCH	oklch(64.21% 0.114 261.9)
XYZ	xyz(26.4865, 26.2322, 64.6279)
Luminance	0.2623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CD2 #D2AC66

analogous

#66C2D2 #668CD2 #7666D2

triadic

#668CD2 #D2668C #8CD266

tetradic

#668CD2 #D266C2 #D2AC66 #66D276

square

#668CD2 #D266C2 #D2AC66 #66D276

split-complementary

#668CD2 #D27666 #C2D266

monochromatic

#2B4F93 #3969C2 #668CD2 #95B0E0 #C5D3EE

Accessibility & contrast

On white

3.36

#668CD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#668CD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CD2

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CD2	#FFFFFF	#000000	##000000
##668CD2	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7192D5

Deuteranopia (green-blind)

#6487D0

Tritanopia (blue-blind)

#329BA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668cd2;
/* rgb */ color: rgb(102, 140, 210);
/* oklch */ color: oklch(64.2% 0.114 261.9);

Tailwind

colors: {
  custom: {
    50: '#98ade0',
    500: '#668cd2',
    950: '#000000',
  },
}

SCSS

$custom: #668cd2;
$custom-light: #98ade0;
$custom-dark: #000000;

JSON

{
  "hex": "#668cd2",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 210
  },
  "hsl": {
    "h": 218.889,
    "s": 54.545,
    "l": 61.176
  },
  "oklch": {
    "l": 0.6421,
    "c": 0.11394,
    "h": 261.9
  },
  "luminance": 0.26234
}

Semantic roles & 50–950 ramp

primary

#668CD2

secondary

#DED0B6

accent

#8A23C2

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668CD2

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

Preview Lab → · Contrast checker → · Palette generator →