#678CBB#678CBB

#678CBB is a light, moderate cyan. Relative luminance 0.252; OKLCH L 63.1% C 0.083 H 254.8°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#678CBB
RGBrgb(103, 140, 187)
HSLhsl(214, 38%, 57%)
HSVhsv(214, 45%, 73%)
CMYKcmyk(44.9%, 25.1%, 0%, 26.7%)
CIE-LABlab(57.30, -0.17, -28.56)
CIE-LCHlch(57.30, 28.56, 269.66°)
OKLaboklab(63.14% -0.0217 -0.0796)
OKLCHoklch(63.14% 0.083 254.8)
XYZxyz(23.9383, 25.2261, 50.6118)
Luminance0.2523 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678CBB #BB9667
analogous
#67B6BB #678CBB #6C67BB
triadic
#678CBB #BB678C #8CBB67
tetradic
#678CBB #BB67B6 #BB9667 #67BB6C
square
#678CBB #BB67B6 #BB9667 #67BB6C
split-complementary
#678CBB #BB6C67 #B6BB67
monochromatic
#345074 #476D9E #678CBB #91ACCE #BCCCE1

Accessibility & contrast

On white

3.47
#678CBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.05
#678CBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CBB
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678CBB#FFFFFF#000000##000000
##678CBB1.003.476.056.05
#FFFFFF3.471.0021.0021.00
#0000006.0521.001.001.00
##0000006.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A8EBD
Deuteranopia (green-blind)
#7086BA
Tritanopia (blue-blind)
#46969C
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #678cbb;
/* rgb */ color: rgb(103, 140, 187);
/* oklch */ color: oklch(63.1% 0.083 254.8);
Tailwind
colors: {
  custom: {
    50: '#96adcf',
    500: '#678cbb',
    950: '#000000',
  },
}
SCSS
$custom: #678cbb;
$custom-light: #96adcf;
$custom-dark: #000000;
JSON
{
  "hex": "#678cbb",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 187
  },
  "hsl": {
    "h": 213.571,
    "s": 38.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63139,
    "c": 0.08251,
    "h": 254.8
  },
  "luminance": 0.25228
}

Semantic roles & 50–950 ramp

primary
#678CBB
secondary
#D0C1AE
accent
#9B5ACE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #678CBB

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

Preview Lab → · Contrast checker → · Palette generator →

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