#668FC9#668FC9

#668FC9 is a light, moderate blue. Relative luminance 0.267; OKLCH L 64.4% C 0.099 H 257.1°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#668FC9
RGB	rgb(102, 143, 201)
HSL	hsl(215, 48%, 59%)
HSV	hsv(215, 49%, 79%)
CMYK	cmyk(49.3%, 28.9%, 0%, 21.2%)
CIE-LAB	lab(58.68, 2.01, -34.32)
CIE-LCH	lch(58.68, 34.38, 273.35°)
OKLab	oklab(64.41% -0.022 -0.0962)
OKLCH	oklch(64.41% 0.099 257.1)
XYZ	xyz(25.8410, 26.6849, 59.0360)
Luminance	0.2669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FC9 #C9A066

analogous

#66C0C9 #668FC9 #6F66C9

triadic

#668FC9 #C9668F #8FC966

tetradic

#668FC9 #C966C0 #C9A066 #66C96F

square

#668FC9 #C966C0 #C9A066 #66C96F

split-complementary

#668FC9 #C96F66 #C0C966

monochromatic

#2F5385 #3F6FB3 #668FC9 #93B0D9 #C0D1E9

Accessibility & contrast

On white

3.31

#668FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#668FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FC9

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FC9	#FFFFFF	#000000	##000000
##668FC9	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7992CC

Deuteranopia (green-blind)

#6D89C8

Tritanopia (blue-blind)

#399CA3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668fc9;
/* rgb */ color: rgb(102, 143, 201);
/* oklch */ color: oklch(64.4% 0.099 257.1);

Tailwind

colors: {
  custom: {
    50: '#97afd9',
    500: '#668fc9',
    950: '#000000',
  },
}

SCSS

$custom: #668fc9;
$custom-light: #97afd9;
$custom-dark: #000000;

JSON

{
  "hex": "#668fc9",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 201
  },
  "hsl": {
    "h": 215.152,
    "s": 47.826,
    "l": 59.412
  },
  "oklch": {
    "l": 0.64407,
    "c": 0.09871,
    "h": 257.1
  },
  "luminance": 0.26687
}

Semantic roles & 50–950 ramp

primary

#668FC9

secondary

#D9C9B2

accent

#9F50D7

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #668FC9

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

Preview Lab → · Contrast checker → · Palette generator →