#668BDB#668BDB

#668BDB is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.127 H 264.3°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#668BDB
RGB	rgb(102, 139, 219)
HSL	hsl(221, 62%, 63%)
HSV	hsv(221, 53%, 86%)
CMYK	cmyk(53.4%, 36.5%, 0%, 14.1%)
CIE-LAB	lab(58.42, 9.91, -44.84)
CIE-LCH	lch(58.42, 45.92, 282.47°)
OKLab	oklab(64.48% -0.0126 -0.1268)
OKLCH	oklch(64.48% 0.127 264.3)
XYZ	xyz(27.4940, 26.4025, 70.6515)
Luminance	0.2640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BDB #DBB666

analogous

#66C5DB #668BDB #7B66DB

triadic

#668BDB #DB668B #8BDB66

tetradic

#668BDB #DB66C5 #DBB666 #66DB7B

square

#668BDB #DB66C5 #DBB666 #66DB7B

split-complementary

#668BDB #DB7B66 #C5DB66

monochromatic

#264DA1 #3465CF #668BDB #98B1E7 #C9D6F2

Accessibility & contrast

On white

3.34

#668BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#668BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BDB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BDB	#FFFFFF	#000000	##000000
##668BDB	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B92DE

Deuteranopia (green-blind)

#5D88D9

Tritanopia (blue-blind)

#279CA9

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668bdb;
/* rgb */ color: rgb(102, 139, 219);
/* oklch */ color: oklch(64.5% 0.127 264.3);

Tailwind

colors: {
  custom: {
    50: '#99ace6',
    500: '#668bdb',
    950: '#000000',
  },
}

SCSS

$custom: #668bdb;
$custom-light: #99ace6;
$custom-dark: #000000;

JSON

{
  "hex": "#668bdb",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 219
  },
  "hsl": {
    "h": 221.026,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64477,
    "c": 0.1274,
    "h": 264.3
  },
  "luminance": 0.26404
}

Semantic roles & 50–950 ramp

primary

#668BDB

secondary

#E3D6B9

accent

#931CCA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668BDB

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

Preview Lab → · Contrast checker → · Palette generator →