#668DDA#668DDA

#668DDA is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.8% C 0.124 H 263.0°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#668DDA
RGB	rgb(102, 141, 218)
HSL	hsl(220, 61%, 63%)
HSV	hsv(220, 53%, 85%)
CMYK	cmyk(53.2%, 35.3%, 0%, 14.5%)
CIE-LAB	lab(58.91, 8.42, -43.50)
CIE-LCH	lch(58.91, 44.31, 280.95°)
OKLab	oklab(64.85% -0.0151 -0.1229)
OKLCH	oklch(64.85% 0.124 263)
XYZ	xyz(27.6550, 26.9344, 70.0576)
Luminance	0.2694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DDA #DAB366

analogous

#66C7DA #668DDA #7966DA

triadic

#668DDA #DA668D #8DDA66

tetradic

#668DDA #DA66C7 #DAB366 #66DA79

square

#668DDA #DA66C7 #DAB366 #66DA79

split-complementary

#668DDA #DA7966 #C7DA66

monochromatic

#264F9F #3568CE #668DDA #97B2E6 #C9D6F2

Accessibility & contrast

On white

3.29

#668DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#668DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DDA

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DDA	#FFFFFF	#000000	##000000
##668DDA	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DD

Deuteranopia (green-blind)

#6089D8

Tritanopia (blue-blind)

#289EA9

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668dda;
/* rgb */ color: rgb(102, 141, 218);
/* oklch */ color: oklch(64.8% 0.124 263.0);

Tailwind

colors: {
  custom: {
    50: '#99aee6',
    500: '#668dda',
    950: '#000000',
  },
}

SCSS

$custom: #668dda;
$custom-light: #99aee6;
$custom-dark: #000000;

JSON

{
  "hex": "#668dda",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 218
  },
  "hsl": {
    "h": 219.828,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64846,
    "c": 0.12379,
    "h": 263
  },
  "luminance": 0.26936
}

Semantic roles & 50–950 ramp

primary

#668DDA

secondary

#E3D5B9

accent

#8F1DC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #668DDA

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

Preview Lab → · Contrast checker → · Palette generator →