#678FCF#678FCF

#678FCF is a light, moderate blue. Relative luminance 0.270; OKLCH L 64.8% C 0.106 H 259.5°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX#678FCF
RGBrgb(103, 143, 207)
HSLhsl(217, 52%, 61%)
HSVhsv(217, 50%, 81%)
CMYKcmyk(50.2%, 30.9%, 0%, 18.8%)
CIE-LABlab(59.00, 4.07, -37.19)
CIE-LCHlch(59.00, 37.41, 276.24°)
OKLaboklab(64.76% -0.0194 -0.1045)
OKLCHoklch(64.76% 0.106 259.5)
XYZxyz(26.6747, 27.0316, 62.8314)
Luminance0.2703 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678FCF #CFA767
analogous
#67C3CF #678FCF #7367CF
triadic
#678FCF #CF678F #8FCF67
tetradic
#678FCF #CF67C3 #CFA767 #67CF73
square
#678FCF #CF67C3 #CFA767 #67CF73
split-complementary
#678FCF #CF7367 #C3CF67
monochromatic
#2D538F #3C6DBD #678FCF #96B1DE #C4D4EC

Accessibility & contrast

On white

3.28
#678FCF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.41
#678FCF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678FCF
6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678FCF#FFFFFF#000000##000000
##678FCF1.003.286.416.41
#FFFFFF3.281.0021.0021.00
#0000006.4121.001.001.00
##0000006.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7693D2
Deuteranopia (green-blind)
#6A8ACE
Tritanopia (blue-blind)
#379DA6
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #678fcf;
/* rgb */ color: rgb(103, 143, 207);
/* oklch */ color: oklch(64.8% 0.106 259.5);
Tailwind
colors: {
  custom: {
    50: '#98afde',
    500: '#678fcf',
    950: '#000000',
  },
}
SCSS
$custom: #678fcf;
$custom-light: #98afde;
$custom-dark: #000000;
JSON
{
  "hex": "#678fcf",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 207
  },
  "hsl": {
    "h": 216.923,
    "s": 52,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64761,
    "c": 0.10627,
    "h": 259.5
  },
  "luminance": 0.27033
}

Semantic roles & 50–950 ramp

primary
#678FCF
secondary
#DDCDB5
accent
#8426BF
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #678FCF

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

Preview Lab → · Contrast checker → · Palette generator →

#678FCF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva