#678EBC#678EBC

#678EBC is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.6% C 0.082 H 253.1°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#678EBC
RGBrgb(103, 142, 188)
HSLhsl(212, 39%, 57%)
HSVhsv(212, 45%, 74%)
CMYKcmyk(45.2%, 24.5%, 0%, 26.3%)
CIE-LABlab(57.90, -1.03, -28.18)
CIE-LCHlch(57.90, 28.20, 267.91°)
OKLaboklab(63.63% -0.0239 -0.0785)
OKLCHoklch(63.63% 0.082 253.1)
XYZxyz(24.3406, 25.8588, 51.2759)
Luminance0.2586 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678EBC #BC9567
analogous
#67B8BC #678EBC #6B67BC
triadic
#678EBC #BC678E #8EBC67
tetradic
#678EBC #BC67B8 #BC9567 #67BC6B
square
#678EBC #BC67B8 #BC9567 #67BC6B
split-complementary
#678EBC #BC6B67 #B8BC67
monochromatic
#345275 #466F9F #678EBC #91AECF #BCCDE1

Accessibility & contrast

On white

3.40
#678EBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.17
#678EBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678EBC
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678EBC#FFFFFF#000000##000000
##678EBC1.003.406.176.17
#FFFFFF3.401.0021.0021.00
#0000006.1721.001.001.00
##0000006.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C90BE
Deuteranopia (green-blind)
#7287BB
Tritanopia (blue-blind)
#45989E
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #678ebc;
/* rgb */ color: rgb(103, 142, 188);
/* oklch */ color: oklch(63.6% 0.082 253.1);
Tailwind
colors: {
  custom: {
    50: '#96aed0',
    500: '#678ebc',
    950: '#000000',
  },
}
SCSS
$custom: #678ebc;
$custom-light: #96aed0;
$custom-dark: #000000;
JSON
{
  "hex": "#678ebc",
  "rgb": {
    "r": 103,
    "g": 142,
    "b": 188
  },
  "hsl": {
    "h": 212.471,
    "s": 38.813,
    "l": 57.059
  },
  "oklch": {
    "l": 0.6363,
    "c": 0.08207,
    "h": 253.1
  },
  "luminance": 0.2586
}

Semantic roles & 50–950 ramp

primary
#678EBC
secondary
#D1C1AE
accent
#9959CF
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #678EBC

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

Preview Lab → · Contrast checker → · Palette generator →

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