#678BBC#678BBC

#678BBC is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.085 H 256.3°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#678BBC
RGBrgb(103, 139, 188)
HSLhsl(215, 39%, 57%)
HSVhsv(215, 45%, 74%)
CMYKcmyk(45.2%, 26.1%, 0%, 26.3%)
CIE-LABlab(57.05, 0.70, -29.50)
CIE-LCHlch(57.05, 29.51, 271.36°)
OKLaboklab(62.96% -0.0201 -0.0823)
OKLCHoklch(62.96% 0.085 256.3)
XYZxyz(23.9002, 24.9781, 51.1291)
Luminance0.2498 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678BBC #BC9867
analogous
#67B6BC #678BBC #6E67BC
triadic
#678BBC #BC678B #8BBC67
tetradic
#678BBC #BC67B6 #BC9867 #67BC6E
square
#678BBC #BC67B6 #BC9867 #67BC6E
split-complementary
#678BBC #BC6E67 #B6BC67
monochromatic
#344F75 #466C9F #678BBC #91ABCF #BCCCE1

Accessibility & contrast

On white

3.50
#678BBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.00
#678BBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BBC
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678BBC#FFFFFF#000000##000000
##678BBC1.003.506.006.00
#FFFFFF3.501.0021.0021.00
#0000006.0021.001.001.00
##0000006.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#788EBE
Deuteranopia (green-blind)
#6E85BB
Tritanopia (blue-blind)
#46969C
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #678bbc;
/* rgb */ color: rgb(103, 139, 188);
/* oklch */ color: oklch(63.0% 0.085 256.3);
Tailwind
colors: {
  custom: {
    50: '#96acd0',
    500: '#678bbc',
    950: '#000000',
  },
}
SCSS
$custom: #678bbc;
$custom-light: #96acd0;
$custom-dark: #000000;
JSON
{
  "hex": "#678bbc",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 188
  },
  "hsl": {
    "h": 214.588,
    "s": 38.813,
    "l": 57.059
  },
  "oklch": {
    "l": 0.62964,
    "c": 0.08473,
    "h": 256.3
  },
  "luminance": 0.2498
}

Semantic roles & 50–950 ramp

primary
#678BBC
secondary
#D1C2AE
accent
#9D59CF
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #678BBC

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

Preview Lab → · Contrast checker → · Palette generator →

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