#678BBF#678BBF

#678BBF is a light, moderate blue. Relative luminance 0.251; OKLCH L 63.1% C 0.089 H 257.5°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#678BBF
RGBrgb(103, 139, 191)
HSLhsl(215, 41%, 58%)
HSVhsv(215, 46%, 75%)
CMYKcmyk(46.1%, 27.2%, 0%, 25.1%)
CIE-LABlab(57.18, 1.59, -31.00)
CIE-LCHlch(57.18, 31.04, 272.93°)
OKLaboklab(63.11% -0.0192 -0.0866)
OKLCHoklch(63.11% 0.089 257.5)
XYZxyz(24.2270, 25.1088, 52.8500)
Luminance0.2511 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678BBF #BF9B67
analogous
#67B7BF #678BBF #6F67BF
triadic
#678BBF #BF678B #8BBF67
tetradic
#678BBF #BF67B7 #BF9B67 #67BF6F
square
#678BBF #BF67B7 #BF9B67 #67BF6F
split-complementary
#678BBF #BF6F67 #B7BF67
monochromatic
#334F79 #456CA4 #678BBF #92ACD1 #BDCDE3

Accessibility & contrast

On white

3.49
#678BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.02
#678BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BBF
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678BBF#FFFFFF#000000##000000
##678BBF1.003.496.026.02
#FFFFFF3.491.0021.0021.00
#0000006.0221.001.001.00
##0000006.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#778EC1
Deuteranopia (green-blind)
#6D85BE
Tritanopia (blue-blind)
#44969D
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #678bbf;
/* rgb */ color: rgb(103, 139, 191);
/* oklch */ color: oklch(63.1% 0.089 257.5);
Tailwind
colors: {
  custom: {
    50: '#96acd2',
    500: '#678bbf',
    950: '#000000',
  },
}
SCSS
$custom: #678bbf;
$custom-light: #96acd2;
$custom-dark: #000000;
JSON
{
  "hex": "#678bbf",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 191
  },
  "hsl": {
    "h": 215.455,
    "s": 40.741,
    "l": 57.647
  },
  "oklch": {
    "l": 0.63105,
    "c": 0.08873,
    "h": 257.5
  },
  "luminance": 0.2511
}

Semantic roles & 50–950 ramp

primary
#678BBF
secondary
#D3C4AF
accent
#9F57D1
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #678BBF

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

Preview Lab → · Contrast checker → · Palette generator →

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