#6668AB#6668AB

#6668AB is a mid, moderate blue. Relative luminance 0.157; OKLCH L 54.5% C 0.104 H 281.1°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#6668AB
RGB	rgb(102, 104, 171)
HSL	hsl(238, 29%, 54%)
HSV	hsv(238, 40%, 67%)
CMYK	cmyk(40.4%, 39.2%, 0%, 32.9%)
CIE-LAB	lab(46.53, 16.41, -36.15)
CIE-LCH	lch(46.53, 39.70, 294.42°)
OKLab	oklab(54.53% 0.0199 -0.1016)
OKLCH	oklch(54.53% 0.104 281.1)
XYZ	xyz(17.7784, 15.6650, 40.6071)
Luminance	0.1567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6668AB #ABA966

analogous

#668AAB #6668AB #8666AB

triadic

#6668AB #AB6668 #68AB66

tetradic

#6668AB #AB668A #ABA966 #66AB86

square

#6668AB #AB668A #ABA966 #66AB86

split-complementary

#6668AB #AB8666 #8AAB66

monochromatic

#353761 #4B4D89 #6668AB #8E8FC1 #B5B6D6

Accessibility & contrast

On white

5.08

#6668AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#6668AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6668AB

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6668AB	#FFFFFF	#000000	##FFFFFF
##6668AB	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5171AE

Deuteranopia (green-blind)

#4D6CA9

Tritanopia (blue-blind)

#527581

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #6668ab;
/* rgb */ color: rgb(102, 104, 171);
/* oklch */ color: oklch(54.5% 0.104 281.1);

Tailwind

colors: {
  custom: {
    50: '#9493c4',
    500: '#6668ab',
    950: '#000000',
  },
}

SCSS

$custom: #6668ab;
$custom-light: #9493c4;
$custom-dark: #000000;

JSON

{
  "hex": "#6668ab",
  "rgb": {
    "r": 102,
    "g": 104,
    "b": 171
  },
  "hsl": {
    "h": 238.261,
    "s": 29.114,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54533,
    "c": 0.10356,
    "h": 281.1
  },
  "luminance": 0.15666
}

Semantic roles & 50–950 ramp

primary

#6668AB

secondary

#C5C4A8

accent

#C362C5

background

#F9F9FC

surface

#F2F1F8

border

#CCCBD1

text

#0D0D12

muted

#7E7E81

Preview Lab

Preview with #6668AB

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

Preview Lab → · Contrast checker → · Palette generator →