#668EDD#668EDD

#668EDD is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.2% C 0.127 H 263.0°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#668EDD
RGB	rgb(102, 142, 221)
HSL	hsl(220, 64%, 63%)
HSV	hsv(220, 54%, 87%)
CMYK	cmyk(53.8%, 35.7%, 0%, 13.3%)
CIE-LAB	lab(59.33, 8.77, -44.51)
CIE-LCH	lch(59.33, 45.37, 281.14°)
OKLab	oklab(65.22% -0.0155 -0.1258)
OKLCH	oklch(65.22% 0.127 263)
XYZ	xyz(28.1992, 27.3891, 72.1932)
Luminance	0.2739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EDD #DDB566

analogous

#66C9DD #668EDD #7966DD

triadic

#668EDD #DD668E #8EDD66

tetradic

#668EDD #DD66C9 #DDB566 #66DD79

square

#668EDD #DD66C9 #DDB566 #66DD79

split-complementary

#668EDD #DD7966 #C9DD66

monochromatic

#244FA4 #3469D2 #668EDD #98B3E8 #CAD8F3

Accessibility & contrast

On white

3.24

#668EDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#668EDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EDD

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EDD	#FFFFFF	#000000	##000000
##668EDD	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E95E0

Deuteranopia (green-blind)

#608ADB

Tritanopia (blue-blind)

#239FAB

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668edd;
/* rgb */ color: rgb(102, 142, 221);
/* oklch */ color: oklch(65.2% 0.127 263.0);

Tailwind

colors: {
  custom: {
    50: '#99aee8',
    500: '#668edd',
    950: '#000000',
  },
}

SCSS

$custom: #668edd;
$custom-light: #99aee8;
$custom-dark: #000000;

JSON

{
  "hex": "#668edd",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 221
  },
  "hsl": {
    "h": 219.832,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65219,
    "c": 0.12675,
    "h": 263
  },
  "luminance": 0.27391
}

Semantic roles & 50–950 ramp

primary

#668EDD

secondary

#E5D6BA

accent

#901ACB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668EDD

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

Preview Lab → · Contrast checker → · Palette generator →