#668BD5#668BD5

#668BD5 is a light, moderate blue. Relative luminance 0.261; OKLCH L 64.2% C 0.119 H 263.2°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#668BD5
RGB	rgb(102, 139, 213)
HSL	hsl(220, 57%, 62%)
HSV	hsv(220, 52%, 84%)
CMYK	cmyk(52.1%, 34.7%, 0%, 16.5%)
CIE-LAB	lab(58.12, 8.03, -41.94)
CIE-LCH	lch(58.12, 42.71, 280.84°)
OKLab	oklab(64.15% -0.014 -0.1183)
OKLCH	oklch(64.15% 0.119 263.2)
XYZ	xyz(26.7183, 26.0922, 66.5662)
Luminance	0.2609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BD5 #D5B066

analogous

#66C3D5 #668BD5 #7966D5

triadic

#668BD5 #D5668B #8BD566

tetradic

#668BD5 #D566C3 #D5B066 #66D579

square

#668BD5 #D566C3 #D5B066 #66D579

split-complementary

#668BD5 #D57966 #C3D566

monochromatic

#294E97 #3767C7 #668BD5 #96AFE2 #C6D4EF

Accessibility & contrast

On white

3.38

#668BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#668BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BD5

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BD5	#FFFFFF	#000000	##000000
##668BD5	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E91D8

Deuteranopia (green-blind)

#6187D3

Tritanopia (blue-blind)

#2F9BA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668bd5;
/* rgb */ color: rgb(102, 139, 213);
/* oklch */ color: oklch(64.2% 0.119 263.2);

Tailwind

colors: {
  custom: {
    50: '#98ace2',
    500: '#668bd5',
    950: '#000000',
  },
}

SCSS

$custom: #668bd5;
$custom-light: #98ace2;
$custom-dark: #000000;

JSON

{
  "hex": "#668bd5",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 213
  },
  "hsl": {
    "h": 220,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64154,
    "c": 0.11916,
    "h": 263.2
  },
  "luminance": 0.26094
}

Semantic roles & 50–950 ramp

primary

#668BD5

secondary

#E0D2B7

accent

#8E21C4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #668BD5

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

Preview Lab → · Contrast checker → · Palette generator →