#678BD8#678BD8

#678BD8 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.123 H 264.2°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#678BD8
RGBrgb(103, 139, 216)
HSLhsl(221, 59%, 63%)
HSVhsv(221, 52%, 85%)
CMYKcmyk(52.3%, 35.6%, 0%, 15.3%)
CIE-LABlab(58.33, 9.19, -43.30)
CIE-LCHlch(58.33, 44.27, 281.99°)
OKLaboklab(64.37% -0.0124 -0.1223)
OKLCHoklch(64.37% 0.123 264.2)
XYZxyz(27.2167, 26.3047, 68.5956)
Luminance0.2631 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678BD8 #D8B467
analogous
#67C3D8 #678BD8 #7C67D8
triadic
#678BD8 #D8678B #8BD867
tetradic
#678BD8 #D867C3 #D8B467 #67D87C
square
#678BD8 #D867C3 #D8B467 #67D87C
split-complementary
#678BD8 #D87C67 #C3D867
monochromatic
#284D9C #3666CC #678BD8 #98B0E4 #C8D5F1

Accessibility & contrast

On white

3.35
#678BD8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.26
#678BD8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BD8
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678BD8#FFFFFF#000000##000000
##678BD81.003.356.266.26
#FFFFFF3.351.0021.0021.00
#0000006.2621.001.001.00
##0000006.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D92DB
Deuteranopia (green-blind)
#5F87D6
Tritanopia (blue-blind)
#2E9CA7
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #678bd8;
/* rgb */ color: rgb(103, 139, 216);
/* oklch */ color: oklch(64.4% 0.123 264.2);
Tailwind
colors: {
  custom: {
    50: '#99ace4',
    500: '#678bd8',
    950: '#000000',
  },
}
SCSS
$custom: #678bd8;
$custom-light: #99ace4;
$custom-dark: #000000;
JSON
{
  "hex": "#678bd8",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 216
  },
  "hsl": {
    "h": 220.885,
    "s": 59.162,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64372,
    "c": 0.1229,
    "h": 264.2
  },
  "luminance": 0.26307
}

Semantic roles & 50–950 ramp

primary
#678BD8
secondary
#E2D5B9
accent
#911FC7
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1015
muted
#7E7F84

Preview Lab

Preview with #678BD8

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

Preview Lab → · Contrast checker → · Palette generator →

#678BD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva