#668FD4#668FD4

#668FD4 is a light, moderate blue. Relative luminance 0.272; OKLCH L 65.0% C 0.113 H 260.4°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#668FD4
RGB	rgb(102, 143, 212)
HSL	hsl(218, 56%, 62%)
HSV	hsv(218, 52%, 83%)
CMYK	cmyk(51.9%, 32.5%, 0%, 16.9%)
CIE-LAB	lab(59.18, 5.37, -39.73)
CIE-LCH	lch(59.18, 40.09, 277.70°)
OKLab	oklab(64.96% -0.0189 -0.1119)
OKLCH	oklch(64.96% 0.113 260.4)
XYZ	xyz(27.1816, 27.2212, 66.0964)
Luminance	0.2722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FD4 #D4AB66

analogous

#66C6D4 #668FD4 #7466D4

triadic

#668FD4 #D4668F #8FD466

tetradic

#668FD4 #D466C6 #D4AB66 #66D474

square

#668FD4 #D466C6 #D4AB66 #66D474

split-complementary

#668FD4 #D47466 #C6D466

monochromatic

#2A5296 #376CC5 #668FD4 #96B2E1 #C6D5EF

Accessibility & contrast

On white

3.26

#668FD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#668FD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FD4

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FD4	#FFFFFF	#000000	##000000
##668FD4	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7494D7

Deuteranopia (green-blind)

#678AD3

Tritanopia (blue-blind)

#2F9EA8

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668fd4;
/* rgb */ color: rgb(102, 143, 212);
/* oklch */ color: oklch(65.0% 0.113 260.4);

Tailwind

colors: {
  custom: {
    50: '#98afe1',
    500: '#668fd4',
    950: '#000000',
  },
}

SCSS

$custom: #668fd4;
$custom-light: #98afe1;
$custom-dark: #000000;

JSON

{
  "hex": "#668fd4",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 212
  },
  "hsl": {
    "h": 217.636,
    "s": 56.122,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64959,
    "c": 0.11345,
    "h": 260.4
  },
  "luminance": 0.27223
}

Semantic roles & 50–950 ramp

primary

#668FD4

secondary

#DFD0B6

accent

#8722C4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668FD4

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

Preview Lab → · Contrast checker → · Palette generator →