#678BBD#678BBD

#678BBD is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.086 H 256.7°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#678BBD
RGBrgb(103, 139, 189)
HSLhsl(215, 39%, 57%)
HSVhsv(215, 46%, 74%)
CMYKcmyk(45.5%, 26.5%, 0%, 25.9%)
CIE-LABlab(57.10, 1.00, -30.00)
CIE-LCHlch(57.10, 30.02, 271.90°)
OKLaboklab(63.01% -0.0198 -0.0837)
OKLCHoklch(63.01% 0.086 256.7)
XYZxyz(24.0084, 25.0214, 51.6988)
Luminance0.2502 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678BBD #BD9967
analogous
#67B6BD #678BBD #6E67BD
triadic
#678BBD #BD678B #8BBD67
tetradic
#678BBD #BD67B6 #BD9967 #67BD6E
square
#678BBD #BD67B6 #BD9967 #67BD6E
split-complementary
#678BBD #BD6E67 #B6BD67
monochromatic
#334F76 #466CA1 #678BBD #92ACD0 #BCCCE2

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##678BBD#FFFFFF#000000##000000
##678BBD1.003.506.006.00
#FFFFFF3.501.0021.0021.00
#0000006.0021.001.001.00
##0000006.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#788EBF
Deuteranopia (green-blind)
#6E85BC
Tritanopia (blue-blind)
#45969C
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #678bbd;
/* rgb */ color: rgb(103, 139, 189);
/* oklch */ color: oklch(63.0% 0.086 256.7);
Tailwind
colors: {
  custom: {
    50: '#96acd1',
    500: '#678bbd',
    950: '#000000',
  },
}
SCSS
$custom: #678bbd;
$custom-light: #96acd1;
$custom-dark: #000000;
JSON
{
  "hex": "#678bbd",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 189
  },
  "hsl": {
    "h": 214.884,
    "s": 39.45,
    "l": 57.255
  },
  "oklch": {
    "l": 0.63011,
    "c": 0.08605,
    "h": 256.7
  },
  "luminance": 0.25023
}

Semantic roles & 50–950 ramp

primary
#678BBD
secondary
#D1C3AE
accent
#9E58CF
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #678BBD

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

Preview Lab → · Contrast checker → · Palette generator →

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