#668DD4#668DD4

#668DD4 is a light, moderate blue. Relative luminance 0.266; OKLCH L 64.5% C 0.116 H 261.7°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#668DD4
RGB	rgb(102, 141, 212)
HSL	hsl(219, 56%, 62%)
HSV	hsv(219, 52%, 83%)
CMYK	cmyk(51.9%, 33.5%, 0%, 16.9%)
CIE-LAB	lab(58.63, 6.55, -40.59)
CIE-LCH	lch(58.63, 41.12, 279.16°)
OKLab	oklab(64.53% -0.0166 -0.1144)
OKLCH	oklch(64.53% 0.116 261.7)
XYZ	xyz(26.8840, 26.6260, 65.9973)
Luminance	0.2663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DD4 #D4AD66

analogous

#66C4D4 #668DD4 #7666D4

triadic

#668DD4 #D4668D #8DD466

tetradic

#668DD4 #D466C4 #D4AD66 #66D476

square

#668DD4 #D466C4 #D4AD66 #66D476

split-complementary

#668DD4 #D47666 #C4D466

monochromatic

#2A5096 #376AC5 #668DD4 #96B1E1 #C6D4EF

Accessibility & contrast

On white

3.32

#668DD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#668DD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DD4

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DD4	#FFFFFF	#000000	##000000
##668DD4	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7193D7

Deuteranopia (green-blind)

#6488D2

Tritanopia (blue-blind)

#2F9CA7

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668dd4;
/* rgb */ color: rgb(102, 141, 212);
/* oklch */ color: oklch(64.5% 0.116 261.7);

Tailwind

colors: {
  custom: {
    50: '#98aee1',
    500: '#668dd4',
    950: '#000000',
  },
}

SCSS

$custom: #668dd4;
$custom-light: #98aee1;
$custom-dark: #000000;

JSON

{
  "hex": "#668dd4",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 212
  },
  "hsl": {
    "h": 218.727,
    "s": 56.122,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64529,
    "c": 0.11559,
    "h": 261.7
  },
  "luminance": 0.26628
}

Semantic roles & 50–950 ramp

primary

#668DD4

secondary

#DFD1B6

accent

#8A22C4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668DD4

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

Preview Lab → · Contrast checker → · Palette generator →