#668DD2#668DD2

#668DD2 is a light, moderate blue. Relative luminance 0.265; OKLCH L 64.4% C 0.113 H 261.3°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#668DD2
RGB	rgb(102, 141, 210)
HSL	hsl(218, 55%, 61%)
HSV	hsv(218, 51%, 82%)
CMYK	cmyk(51.4%, 32.9%, 0%, 17.6%)
CIE-LAB	lab(58.53, 5.93, -39.62)
CIE-LCH	lch(58.53, 40.06, 278.51°)
OKLab	oklab(64.43% -0.0171 -0.1116)
OKLCH	oklch(64.43% 0.113 261.3)
XYZ	xyz(26.6333, 26.5258, 64.6768)
Luminance	0.2653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DD2 #D2AB66

analogous

#66C3D2 #668DD2 #7566D2

triadic

#668DD2 #D2668D #8DD266

tetradic

#668DD2 #D266C3 #D2AB66 #66D275

square

#668DD2 #D266C3 #D2AB66 #66D275

split-complementary

#668DD2 #D27566 #C3D266

monochromatic

#2B5093 #396AC2 #668DD2 #95B0E0 #C5D3EE

Accessibility & contrast

On white

3.33

#668DD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#668DD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DD2

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DD2	#FFFFFF	#000000	##000000
##668DD2	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7292D5

Deuteranopia (green-blind)

#6588D1

Tritanopia (blue-blind)

#319CA6

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668dd2;
/* rgb */ color: rgb(102, 141, 210);
/* oklch */ color: oklch(64.4% 0.113 261.3);

Tailwind

colors: {
  custom: {
    50: '#98aee0',
    500: '#668dd2',
    950: '#000000',
  },
}

SCSS

$custom: #668dd2;
$custom-light: #98aee0;
$custom-dark: #000000;

JSON

{
  "hex": "#668dd2",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 210
  },
  "hsl": {
    "h": 218.333,
    "s": 54.545,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64425,
    "c": 0.11287,
    "h": 261.3
  },
  "luminance": 0.26528
}

Semantic roles & 50–950 ramp

primary

#668DD2

secondary

#DED0B6

accent

#8923C2

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668DD2

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

Preview Lab → · Contrast checker → · Palette generator →