#668FD2#668FD2

#668FD2 is a light, moderate blue. Relative luminance 0.271; OKLCH L 64.9% C 0.111 H 259.9°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#668FD2
RGB	rgb(102, 143, 210)
HSL	hsl(217, 55%, 61%)
HSV	hsv(217, 51%, 82%)
CMYK	cmyk(51.4%, 31.9%, 0%, 17.6%)
CIE-LAB	lab(59.09, 4.76, -38.75)
CIE-LCH	lch(59.09, 39.04, 277.00°)
OKLab	oklab(64.86% -0.0195 -0.109)
OKLCH	oklch(64.86% 0.111 259.9)
XYZ	xyz(26.9309, 27.1209, 64.7760)
Luminance	0.2712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FD2 #D2A966

analogous

#66C5D2 #668FD2 #7366D2

triadic

#668FD2 #D2668F #8FD266

tetradic

#668FD2 #D266C5 #D2A966 #66D273

square

#668FD2 #D266C5 #D2A966 #66D273

split-complementary

#668FD2 #D27366 #C5D266

monochromatic

#2B5293 #396DC2 #668FD2 #95B2E0 #C5D4EE

Accessibility & contrast

On white

3.27

#668FD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#668FD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FD2

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FD2	#FFFFFF	#000000	##000000
##668FD2	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7594D5

Deuteranopia (green-blind)

#688AD1

Tritanopia (blue-blind)

#319EA7

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668fd2;
/* rgb */ color: rgb(102, 143, 210);
/* oklch */ color: oklch(64.9% 0.111 259.9);

Tailwind

colors: {
  custom: {
    50: '#98afe0',
    500: '#668fd2',
    950: '#000000',
  },
}

SCSS

$custom: #668fd2;
$custom-light: #98afe0;
$custom-dark: #000000;

JSON

{
  "hex": "#668fd2",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 210
  },
  "hsl": {
    "h": 217.222,
    "s": 54.545,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64856,
    "c": 0.11075,
    "h": 259.9
  },
  "luminance": 0.27123
}

Semantic roles & 50–950 ramp

primary

#668FD2

secondary

#DECFB6

accent

#8623C2

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668FD2

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

Preview Lab → · Contrast checker → · Palette generator →