#668CD5#668CD5

#668CD5 is a light, moderate blue. Relative luminance 0.264; OKLCH L 64.4% C 0.118 H 262.6°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#668CD5
RGB	rgb(102, 140, 213)
HSL	hsl(219, 57%, 62%)
HSV	hsv(219, 52%, 84%)
CMYK	cmyk(52.1%, 34.3%, 0%, 16.5%)
CIE-LAB	lab(58.40, 7.45, -41.51)
CIE-LCH	lch(58.40, 42.17, 280.17°)
OKLab	oklab(64.37% -0.0152 -0.1171)
OKLCH	oklch(64.37% 0.118 262.6)
XYZ	xyz(26.8638, 26.3831, 66.6147)
Luminance	0.2638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CD5 #D5AF66

analogous

#66C4D5 #668CD5 #7866D5

triadic

#668CD5 #D5668C #8CD566

tetradic

#668CD5 #D566C4 #D5AF66 #66D578

square

#668CD5 #D566C4 #D5AF66 #66D578

split-complementary

#668CD5 #D57866 #C4D566

monochromatic

#294F97 #3768C7 #668CD5 #96B0E2 #C6D4EF

Accessibility & contrast

On white

3.35

#668CD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#668CD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CD5

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CD5	#FFFFFF	#000000	##000000
##668CD5	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F92D8

Deuteranopia (green-blind)

#6288D3

Tritanopia (blue-blind)

#2E9CA7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668cd5;
/* rgb */ color: rgb(102, 140, 213);
/* oklch */ color: oklch(64.4% 0.118 262.6);

Tailwind

colors: {
  custom: {
    50: '#98ade2',
    500: '#668cd5',
    950: '#000000',
  },
}

SCSS

$custom: #668cd5;
$custom-light: #98ade2;
$custom-dark: #000000;

JSON

{
  "hex": "#668cd5",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 213
  },
  "hsl": {
    "h": 219.459,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64367,
    "c": 0.11805,
    "h": 262.6
  },
  "luminance": 0.26385
}

Semantic roles & 50–950 ramp

primary

#668CD5

secondary

#E0D2B7

accent

#8D21C4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668CD5

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

Preview Lab → · Contrast checker → · Palette generator →