#668FDA#668FDA

#668FDA is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.3% C 0.122 H 261.8°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#668FDA
RGB	rgb(102, 143, 218)
HSL	hsl(219, 61%, 63%)
HSV	hsv(219, 53%, 85%)
CMYK	cmyk(53.2%, 34.4%, 0%, 14.5%)
CIE-LAB	lab(59.46, 7.24, -42.64)
CIE-LCH	lch(59.46, 43.25, 279.64°)
OKLab	oklab(65.27% -0.0174 -0.1203)
OKLCH	oklch(65.27% 0.122 261.8)
XYZ	xyz(27.9526, 27.5296, 70.1568)
Luminance	0.2753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FDA #DAB166

analogous

#66C9DA #668FDA #7766DA

triadic

#668FDA #DA668F #8FDA66

tetradic

#668FDA #DA66C9 #DAB166 #66DA77

square

#668FDA #DA66C9 #DAB166 #66DA77

split-complementary

#668FDA #DA7766 #C9DA66

monochromatic

#26519F #356BCE #668FDA #97B3E6 #C9D7F2

Accessibility & contrast

On white

3.23

#668FDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#668FDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FDA

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FDA	#FFFFFF	#000000	##000000
##668FDA	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7195DD

Deuteranopia (green-blind)

#638AD8

Tritanopia (blue-blind)

#279FAA

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668fda;
/* rgb */ color: rgb(102, 143, 218);
/* oklch */ color: oklch(65.3% 0.122 261.8);

Tailwind

colors: {
  custom: {
    50: '#99afe6',
    500: '#668fda',
    950: '#000000',
  },
}

SCSS

$custom: #668fda;
$custom-light: #99afe6;
$custom-dark: #000000;

JSON

{
  "hex": "#668fda",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 218
  },
  "hsl": {
    "h": 218.793,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.65271,
    "c": 0.12158,
    "h": 261.8
  },
  "luminance": 0.27532
}

Semantic roles & 50–950 ramp

primary

#668FDA

secondary

#E3D4B9

accent

#8C1DC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668FDA

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

Preview Lab → · Contrast checker → · Palette generator →