#668BD4#668BD4

#668BD4 is a light, moderate blue. Relative luminance 0.260; OKLCH L 64.1% C 0.118 H 263.0°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#668BD4
RGB	rgb(102, 139, 212)
HSL	hsl(220, 56%, 62%)
HSV	hsv(220, 52%, 83%)
CMYK	cmyk(51.9%, 34.4%, 0%, 16.9%)
CIE-LAB	lab(58.08, 7.72, -41.46)
CIE-LCH	lch(58.08, 42.17, 280.55°)
OKLab	oklab(64.1% -0.0143 -0.1169)
OKLCH	oklch(64.1% 0.118 263)
XYZ	xyz(26.5918, 26.0416, 65.8998)
Luminance	0.2604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BD4 #D4AF66

analogous

#66C2D4 #668BD4 #7866D4

triadic

#668BD4 #D4668B #8BD466

tetradic

#668BD4 #D466C2 #D4AF66 #66D478

square

#668BD4 #D466C2 #D4AF66 #66D478

split-complementary

#668BD4 #D47866 #C2D466

monochromatic

#2A4E96 #3767C5 #668BD4 #96AFE1 #C6D3EF

Accessibility & contrast

On white

3.38

#668BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#668BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BD4

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BD4	#FFFFFF	#000000	##000000
##668BD4	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E91D7

Deuteranopia (green-blind)

#6287D2

Tritanopia (blue-blind)

#309BA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668bd4;
/* rgb */ color: rgb(102, 139, 212);
/* oklch */ color: oklch(64.1% 0.118 263.0);

Tailwind

colors: {
  custom: {
    50: '#98ace1',
    500: '#668bd4',
    950: '#000000',
  },
}

SCSS

$custom: #668bd4;
$custom-light: #98ace1;
$custom-dark: #000000;

JSON

{
  "hex": "#668bd4",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 212
  },
  "hsl": {
    "h": 219.818,
    "s": 56.122,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64101,
    "c": 0.11779,
    "h": 263
  },
  "luminance": 0.26043
}

Semantic roles & 50–950 ramp

primary

#668BD4

secondary

#DFD2B6

accent

#8D22C4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668BD4

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

Preview Lab → · Contrast checker → · Palette generator →