#668EC9#668EC9

#668EC9 is a light, moderate blue. Relative luminance 0.264; OKLCH L 64.2% C 0.100 H 257.9°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#668EC9
RGB	rgb(102, 142, 201)
HSL	hsl(216, 48%, 59%)
HSV	hsv(216, 49%, 79%)
CMYK	cmyk(49.3%, 29.4%, 0%, 21.2%)
CIE-LAB	lab(58.40, 2.59, -34.76)
CIE-LCH	lch(58.40, 34.86, 274.26°)
OKLab	oklab(64.19% -0.0208 -0.0975)
OKLCH	oklch(64.19% 0.1 257.9)
XYZ	xyz(25.6916, 26.3860, 58.9862)
Luminance	0.2639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EC9 #C9A166

analogous

#66BFC9 #668EC9 #7066C9

triadic

#668EC9 #C9668E #8EC966

tetradic

#668EC9 #C966BF #C9A166 #66C970

square

#668EC9 #C966BF #C9A166 #66C970

split-complementary

#668EC9 #C97066 #BFC966

monochromatic

#2F5285 #3F6EB3 #668EC9 #93AFD9 #C0D1E9

Accessibility & contrast

On white

3.35

#668EC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#668EC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EC9

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EC9	#FFFFFF	#000000	##000000
##668EC9	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7792CC

Deuteranopia (green-blind)

#6B88C8

Tritanopia (blue-blind)

#3A9BA3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668ec9;
/* rgb */ color: rgb(102, 142, 201);
/* oklch */ color: oklch(64.2% 0.100 257.9);

Tailwind

colors: {
  custom: {
    50: '#97aed9',
    500: '#668ec9',
    950: '#000000',
  },
}

SCSS

$custom: #668ec9;
$custom-light: #97aed9;
$custom-dark: #000000;

JSON

{
  "hex": "#668ec9",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 201
  },
  "hsl": {
    "h": 215.758,
    "s": 47.826,
    "l": 59.412
  },
  "oklch": {
    "l": 0.64188,
    "c": 0.09968,
    "h": 257.9
  },
  "luminance": 0.26388
}

Semantic roles & 50–950 ramp

primary

#668EC9

secondary

#D9C9B2

accent

#A150D7

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #668EC9

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

Preview Lab → · Contrast checker → · Palette generator →