#678BB2#678BB2

#678BB2 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.5% C 0.072 H 251.0°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX#678BB2
RGBrgb(103, 139, 178)
HSLhsl(211, 33%, 55%)
HSVhsv(211, 42%, 70%)
CMYKcmyk(42.1%, 21.9%, 0%, 30.2%)
CIE-LABlab(56.65, -2.19, -24.43)
CIE-LCHlch(56.65, 24.53, 264.88°)
OKLaboklab(62.51% -0.0234 -0.0678)
OKLCHoklch(62.51% 0.072 251)
XYZxyz(22.8594, 24.5618, 45.6472)
Luminance0.2456 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678BB2 #B28E67
analogous
#67B0B2 #678BB2 #6867B2
triadic
#678BB2 #B2678B #8BB267
tetradic
#678BB2 #B267B0 #B28E67 #67B268
square
#678BB2 #B267B0 #B28E67 #67B268
split-complementary
#678BB2 #B26867 #B0B267
monochromatic
#354E69 #4A6C92 #678BB2 #90AAC7 #B8C9DB

Accessibility & contrast

On white

3.55
#678BB2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.91
#678BB2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BB2
5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678BB2#FFFFFF#000000##000000
##678BB21.003.555.915.91
#FFFFFF3.551.0021.0021.00
#0000005.9121.001.001.00
##0000005.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8CB4
Deuteranopia (green-blind)
#7385B1
Tritanopia (blue-blind)
#4B9498
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #678bb2;
/* rgb */ color: rgb(103, 139, 178);
/* oklch */ color: oklch(62.5% 0.072 251.0);
Tailwind
colors: {
  custom: {
    50: '#95acc9',
    500: '#678bb2',
    950: '#000000',
  },
}
SCSS
$custom: #678bb2;
$custom-light: #95acc9;
$custom-dark: #000000;
JSON
{
  "hex": "#678bb2",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 178
  },
  "hsl": {
    "h": 211.2,
    "s": 32.751,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62509,
    "c": 0.07173,
    "h": 251
  },
  "luminance": 0.24563
}

Semantic roles & 50–950 ramp

primary
#678BB2
secondary
#CABBAB
accent
#965FC9
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #678BB2

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

Preview Lab → · Contrast checker → · Palette generator →

#678BB2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva