#668FDD#668FDD

#668FDD is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.4% C 0.126 H 262.4°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#668FDD
RGB	rgb(102, 143, 221)
HSL	hsl(219, 64%, 63%)
HSV	hsv(219, 54%, 87%)
CMYK	cmyk(53.8%, 35.3%, 0%, 13.3%)
CIE-LAB	lab(59.61, 8.18, -44.08)
CIE-LCH	lch(59.61, 44.84, 280.51°)
OKLab	oklab(65.43% -0.0167 -0.1245)
OKLCH	oklch(65.43% 0.126 262.4)
XYZ	xyz(28.3487, 27.6880, 72.2430)
Luminance	0.2769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FDD #DDB466

analogous

#66CADD #668FDD #7866DD

triadic

#668FDD #DD668F #8FDD66

tetradic

#668FDD #DD66CA #DDB466 #66DD78

square

#668FDD #DD66CA #DDB466 #66DD78

split-complementary

#668FDD #DD7866 #CADD66

monochromatic

#2450A4 #346AD2 #668FDD #98B4E8 #CAD8F3

Accessibility & contrast

On white

3.21

#668FDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#668FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FDD

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FDD	#FFFFFF	#000000	##000000
##668FDD	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7096E0

Deuteranopia (green-blind)

#618BDB

Tritanopia (blue-blind)

#23A0AC

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668fdd;
/* rgb */ color: rgb(102, 143, 221);
/* oklch */ color: oklch(65.4% 0.126 262.4);

Tailwind

colors: {
  custom: {
    50: '#99afe8',
    500: '#668fdd',
    950: '#000000',
  },
}

SCSS

$custom: #668fdd;
$custom-light: #99afe8;
$custom-dark: #000000;

JSON

{
  "hex": "#668fdd",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 221
  },
  "hsl": {
    "h": 219.328,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65431,
    "c": 0.12565,
    "h": 262.4
  },
  "luminance": 0.2769
}

Semantic roles & 50–950 ramp

primary

#668FDD

secondary

#E5D6BA

accent

#8E1ACB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668FDD

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

Preview Lab → · Contrast checker → · Palette generator →