#668BCA#668BCA

#668BCA is a light, moderate blue. Relative luminance 0.256; OKLCH L 63.6% C 0.104 H 260.7°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#668BCA
RGB	rgb(102, 139, 202)
HSL	hsl(218, 49%, 60%)
HSV	hsv(218, 50%, 79%)
CMYK	cmyk(49.5%, 31.2%, 0%, 20.8%)
CIE-LAB	lab(57.61, 4.64, -36.56)
CIE-LCH	lch(57.61, 36.86, 277.24°)
OKLab	oklab(63.59% -0.0169 -0.1027)
OKLCH	oklch(63.59% 0.104 260.7)
XYZ	xyz(25.3692, 25.5525, 59.4610)
Luminance	0.2555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BCA #CAA566

analogous

#66BDCA #668BCA #7366CA

triadic

#668BCA #CA668B #8BCA66

tetradic

#668BCA #CA66BD #CAA566 #66CA73

square

#668BCA #CA66BD #CAA566 #66CA73

split-complementary

#668BCA #CA7366 #BDCA66

monochromatic

#2F4F87 #3E6AB4 #668BCA #93ADDA #C1D0E9

Accessibility & contrast

On white

3.44

#668BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#668BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BCA

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BCA	#FFFFFF	#000000	##000000
##668BCA	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7390CD

Deuteranopia (green-blind)

#6786C9

Tritanopia (blue-blind)

#3999A1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #668bca;
/* rgb */ color: rgb(102, 139, 202);
/* oklch */ color: oklch(63.6% 0.104 260.7);

Tailwind

colors: {
  custom: {
    50: '#97acda',
    500: '#668bca',
    950: '#000000',
  },
}

SCSS

$custom: #668bca;
$custom-light: #97acda;
$custom-dark: #000000;

JSON

{
  "hex": "#668bca",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 202
  },
  "hsl": {
    "h": 217.8,
    "s": 48.544,
    "l": 59.608
  },
  "oklch": {
    "l": 0.63585,
    "c": 0.10409,
    "h": 260.7
  },
  "luminance": 0.25554
}

Semantic roles & 50–950 ramp

primary

#668BCA

secondary

#D9CBB2

accent

#A650D8

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668BCA

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

Preview Lab → · Contrast checker → · Palette generator →