#668FD5#668FD5

#668FD5 is a light, moderate blue. Relative luminance 0.273; OKLCH L 65.0% C 0.115 H 260.6°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#668FD5
RGBrgb(102, 143, 213)
HSLhsl(218, 57%, 62%)
HSVhsv(218, 52%, 84%)
CMYKcmyk(52.1%, 32.9%, 0%, 16.5%)
CIE-LABlab(59.23, 5.68, -40.21)
CIE-LCHlch(59.23, 40.61, 278.04°)
OKLaboklab(65.01% -0.0187 -0.1133)
OKLCHoklch(65.01% 0.115 260.6)
XYZxyz(27.3081, 27.2718, 66.7628)
Luminance0.2727 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668FD5 #D5AC66
analogous
#66C7D5 #668FD5 #7566D5
triadic
#668FD5 #D5668F #8FD566
tetradic
#668FD5 #D566C7 #D5AC66 #66D575
square
#668FD5 #D566C7 #D5AC66 #66D575
split-complementary
#668FD5 #D57566 #C7D566
monochromatic
#295297 #376CC7 #668FD5 #96B2E2 #C6D5EF

Accessibility & contrast

On white

3.25
#668FD5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.45
#668FD5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FD5
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668FD5#FFFFFF#000000##000000
##668FD51.003.256.456.45
#FFFFFF3.251.0021.0021.00
#0000006.4521.001.001.00
##0000006.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7394D8
Deuteranopia (green-blind)
#668AD4
Tritanopia (blue-blind)
#2E9EA8
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #668fd5;
/* rgb */ color: rgb(102, 143, 213);
/* oklch */ color: oklch(65.0% 0.115 260.6);
Tailwind
colors: {
  custom: {
    50: '#98afe2',
    500: '#668fd5',
    950: '#000000',
  },
}
SCSS
$custom: #668fd5;
$custom-light: #98afe2;
$custom-dark: #000000;
JSON
{
  "hex": "#668fd5",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 213
  },
  "hsl": {
    "h": 217.838,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.6501,
    "c": 0.11481,
    "h": 260.6
  },
  "luminance": 0.27274
}

Semantic roles & 50–950 ramp

primary
#668FD5
secondary
#E0D1B7
accent
#8821C4
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #668FD5

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

Preview Lab → · Contrast checker → · Palette generator →

#668FD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva