#668BD8#668BD8

#668BD8 is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.3% C 0.123 H 263.8°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#668BD8
RGB	rgb(102, 139, 216)
HSL	hsl(221, 59%, 62%)
HSV	hsv(221, 53%, 85%)
CMYK	cmyk(52.8%, 35.6%, 0%, 15.3%)
CIE-LAB	lab(58.27, 8.97, -43.40)
CIE-LCH	lch(58.27, 44.31, 281.68°)
OKLab	oklab(64.32% -0.0133 -0.1226)
OKLCH	oklch(64.32% 0.123 263.8)
XYZ	xyz(27.1026, 26.2459, 68.5902)
Luminance	0.2625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BD8 #D8B366

analogous

#66C4D8 #668BD8 #7A66D8

triadic

#668BD8 #D8668B #8BD866

tetradic

#668BD8 #D866C4 #D8B366 #66D87A

square

#668BD8 #D866C4 #D8B366 #66D87A

split-complementary

#668BD8 #D87A66 #C4D866

monochromatic

#284D9C #3566CC #668BD8 #97B0E4 #C8D5F1

Accessibility & contrast

On white

3.36

#668BD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#668BD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BD8

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BD8	#FFFFFF	#000000	##000000
##668BD8	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C92DB

Deuteranopia (green-blind)

#5F87D6

Tritanopia (blue-blind)

#2B9CA7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #668bd8;
/* rgb */ color: rgb(102, 139, 216);
/* oklch */ color: oklch(64.3% 0.123 263.8);

Tailwind

colors: {
  custom: {
    50: '#99ace4',
    500: '#668bd8',
    950: '#000000',
  },
}

SCSS

$custom: #668bd8;
$custom-light: #99ace4;
$custom-dark: #000000;

JSON

{
  "hex": "#668bd8",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 216
  },
  "hsl": {
    "h": 220.526,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64315,
    "c": 0.12329,
    "h": 263.8
  },
  "luminance": 0.26248
}

Semantic roles & 50–950 ramp

primary

#668BD8

secondary

#E2D4B8

accent

#901EC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #668BD8

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

Preview Lab → · Contrast checker → · Palette generator →