#668FCC#668FCC

#668FCC is a light, moderate blue. Relative luminance 0.268; OKLCH L 64.6% C 0.103 H 258.1°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#668FCC
RGB	rgb(102, 143, 204)
HSL	hsl(216, 50%, 60%)
HSV	hsv(216, 50%, 80%)
CMYK	cmyk(50%, 29.9%, 0%, 20%)
CIE-LAB	lab(58.81, 2.92, -35.81)
CIE-LCH	lch(58.81, 35.92, 274.66°)
OKLab	oklab(64.55% -0.0211 -0.1005)
OKLCH	oklch(64.55% 0.103 258.1)
XYZ	xyz(26.1974, 26.8275, 60.9128)
Luminance	0.2683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FCC #CCA366

analogous

#66C2CC #668FCC #7066CC

triadic

#668FCC #CC668F #8FCC66

tetradic

#668FCC #CC66C2 #CCA366 #66CC70

square

#668FCC #CC66C2 #CCA366 #66CC70

split-complementary

#668FCC #CC7066 #C2CC66

monochromatic

#2E538A #3D6EB8 #668FCC #94B1DB #C2D2EB

Accessibility & contrast

On white

3.30

#668FCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#668FCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FCC

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FCC	#FFFFFF	#000000	##000000
##668FCC	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7793CF

Deuteranopia (green-blind)

#6B89CB

Tritanopia (blue-blind)

#379CA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668fcc;
/* rgb */ color: rgb(102, 143, 204);
/* oklch */ color: oklch(64.6% 0.103 258.1);

Tailwind

colors: {
  custom: {
    50: '#97afdc',
    500: '#668fcc',
    950: '#000000',
  },
}

SCSS

$custom: #668fcc;
$custom-light: #97afdc;
$custom-dark: #000000;

JSON

{
  "hex": "#668fcc",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 204
  },
  "hsl": {
    "h": 215.882,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.64555,
    "c": 0.1027,
    "h": 258.1
  },
  "luminance": 0.26829
}

Semantic roles & 50–950 ramp

primary

#668FCC

secondary

#DBCBB3

accent

#A24EDA

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668FCC

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

Preview Lab → · Contrast checker → · Palette generator →