#678BB0#678BB0

#678BB0 is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.4% C 0.069 H 249.7°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX#678BB0
RGBrgb(103, 139, 176)
HSLhsl(210, 32%, 55%)
HSVhsv(210, 41%, 69%)
CMYKcmyk(41.5%, 21%, 0%, 31%)
CIE-LABlab(56.57, -2.76, -23.41)
CIE-LCHlch(56.57, 23.58, 263.29°)
OKLaboklab(62.42% -0.0241 -0.0649)
OKLCHoklch(62.42% 0.069 249.7)
XYZxyz(22.6600, 24.4821, 44.5974)
Luminance0.2448 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678BB0 #B08C67
analogous
#67B0B0 #678BB0 #6867B0
triadic
#678BB0 #B0678B #8BB067
tetradic
#678BB0 #B067B0 #B08C67 #67B068
square
#678BB0 #B067B0 #B08C67 #67B068
split-complementary
#678BB0 #B06867 #B0B067
monochromatic
#364E67 #4A6C8F #678BB0 #8FAAC5 #B8C8DA

Accessibility & contrast

On white

3.56
#678BB0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.90
#678BB0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BB0
5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678BB0#FFFFFF#000000##000000
##678BB01.003.565.905.90
#FFFFFF3.561.0021.0021.00
#0000005.9021.001.001.00
##0000005.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D8CB2
Deuteranopia (green-blind)
#7484AF
Tritanopia (blue-blind)
#4C9397
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #678bb0;
/* rgb */ color: rgb(103, 139, 176);
/* oklch */ color: oklch(62.4% 0.069 249.7);
Tailwind
colors: {
  custom: {
    50: '#95acc7',
    500: '#678bb0',
    950: '#000000',
  },
}
SCSS
$custom: #678bb0;
$custom-light: #95acc7;
$custom-dark: #000000;
JSON
{
  "hex": "#678bb0",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 210.411,
    "s": 31.602,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62421,
    "c": 0.06924,
    "h": 249.7
  },
  "luminance": 0.24483
}

Semantic roles & 50–950 ramp

primary
#678BB0
secondary
#C9BAAA
accent
#9560C8
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #678BB0

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

Preview Lab → · Contrast checker → · Palette generator →

#678BB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva