#668CD4#668CD4

#668CD4 is a light, moderate blue. Relative luminance 0.263; OKLCH L 64.3% C 0.117 H 262.4°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#668CD4
RGB	rgb(102, 140, 212)
HSL	hsl(219, 56%, 62%)
HSV	hsv(219, 52%, 83%)
CMYK	cmyk(51.9%, 34%, 0%, 16.9%)
CIE-LAB	lab(58.35, 7.13, -41.03)
CIE-LCH	lch(58.35, 41.64, 279.86°)
OKLab	oklab(64.32% -0.0154 -0.1157)
OKLCH	oklch(64.32% 0.117 262.4)
XYZ	xyz(26.7372, 26.3325, 65.9483)
Luminance	0.2633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CD4 #D4AE66

analogous

#66C3D4 #668CD4 #7766D4

triadic

#668CD4 #D4668C #8CD466

tetradic

#668CD4 #D466C3 #D4AE66 #66D477

square

#668CD4 #D466C3 #D4AE66 #66D477

split-complementary

#668CD4 #D47766 #C3D466

monochromatic

#2A4F96 #3768C5 #668CD4 #96B0E1 #C6D4EF

Accessibility & contrast

On white

3.35

#668CD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#668CD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CD4

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CD4	#FFFFFF	#000000	##000000
##668CD4	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7092D7

Deuteranopia (green-blind)

#6388D2

Tritanopia (blue-blind)

#309CA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668cd4;
/* rgb */ color: rgb(102, 140, 212);
/* oklch */ color: oklch(64.3% 0.117 262.4);

Tailwind

colors: {
  custom: {
    50: '#98ade1',
    500: '#668cd4',
    950: '#000000',
  },
}

SCSS

$custom: #668cd4;
$custom-light: #98ade1;
$custom-dark: #000000;

JSON

{
  "hex": "#668cd4",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 212
  },
  "hsl": {
    "h": 219.273,
    "s": 56.122,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64315,
    "c": 0.11669,
    "h": 262.4
  },
  "luminance": 0.26334
}

Semantic roles & 50–950 ramp

primary

#668CD4

secondary

#DFD1B6

accent

#8C22C4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668CD4

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

Preview Lab → · Contrast checker → · Palette generator →