#668DC6#668DC6

#668DC6 is a light, moderate blue. Relative luminance 0.260; OKLCH L 63.8% C 0.097 H 257.8°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#668DC6
RGB	rgb(102, 141, 198)
HSL	hsl(216, 46%, 59%)
HSV	hsv(216, 48%, 78%)
CMYK	cmyk(48.5%, 28.8%, 0%, 22.4%)
CIE-LAB	lab(57.99, 2.27, -33.71)
CIE-LCH	lch(57.99, 33.79, 273.84°)
OKLab	oklab(63.82% -0.0205 -0.0945)
OKLCH	oklch(63.82% 0.097 257.8)
XYZ	xyz(25.1940, 25.9500, 57.0964)
Luminance	0.2595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DC6 #C69F66

analogous

#66BDC6 #668DC6 #6F66C6

triadic

#668DC6 #C6668D #8DC666

tetradic

#668DC6 #C666BD #C69F66 #66C66F

square

#668DC6 #C666BD #C69F66 #66C66F

split-complementary

#668DC6 #C66F66 #BDC666

monochromatic

#305181 #416DAE #668DC6 #93AED7 #BFCFE7

Accessibility & contrast

On white

3.39

#668DC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#668DC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DC6

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DC6	#FFFFFF	#000000	##000000
##668DC6	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7790C8

Deuteranopia (green-blind)

#6C87C5

Tritanopia (blue-blind)

#3C9AA1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #668dc6;
/* rgb */ color: rgb(102, 141, 198);
/* oklch */ color: oklch(63.8% 0.097 257.8);

Tailwind

colors: {
  custom: {
    50: '#97aed7',
    500: '#668dc6',
    950: '#000000',
  },
}

SCSS

$custom: #668dc6;
$custom-light: #97aed7;
$custom-dark: #000000;

JSON

{
  "hex": "#668dc6",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 198
  },
  "hsl": {
    "h": 215.625,
    "s": 45.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.63823,
    "c": 0.09664,
    "h": 257.8
  },
  "luminance": 0.25952
}

Semantic roles & 50–950 ramp

primary

#668DC6

secondary

#D7C7B1

accent

#A052D5

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #668DC6

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

Preview Lab → · Contrast checker → · Palette generator →