#678FB5#678FB5

#678FB5 is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.5% C 0.073 H 247.8°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#678FB5
RGBrgb(103, 143, 181)
HSLhsl(209, 35%, 56%)
HSVhsv(209, 43%, 71%)
CMYKcmyk(43.1%, 21%, 0%, 29%)
CIE-LABlab(57.91, -3.62, -24.20)
CIE-LCHlch(57.91, 24.47, 261.49°)
OKLaboklab(63.54% -0.0275 -0.0672)
OKLCHoklch(63.54% 0.073 247.8)
XYZxyz(23.7537, 25.8632, 47.4475)
Luminance0.2586 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678FB5 #B58D67
analogous
#67B5B4 #678FB5 #6768B5
triadic
#678FB5 #B5678F #8FB567
tetradic
#678FB5 #B467B5 #B58D67 #68B567
square
#678FB5 #B467B5 #B58D67 #68B567
split-complementary
#678FB5 #B56768 #B5B467
monochromatic
#35526D #497096 #678FB5 #90ADC9 #B9CCDD

Accessibility & contrast

On white

3.40
#678FB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.17
#678FB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678FB5
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678FB5#FFFFFF#000000##000000
##678FB51.003.406.176.17
#FFFFFF3.401.0021.0021.00
#0000006.1721.001.001.00
##0000006.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8090B7
Deuteranopia (green-blind)
#7688B4
Tritanopia (blue-blind)
#49989C
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #678fb5;
/* rgb */ color: rgb(103, 143, 181);
/* oklch */ color: oklch(63.5% 0.073 247.8);
Tailwind
colors: {
  custom: {
    50: '#96afcb',
    500: '#678fb5',
    950: '#000000',
  },
}
SCSS
$custom: #678fb5;
$custom-light: #96afcb;
$custom-dark: #000000;
JSON
{
  "hex": "#678fb5",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 181
  },
  "hsl": {
    "h": 209.231,
    "s": 34.513,
    "l": 55.686
  },
  "oklch": {
    "l": 0.6354,
    "c": 0.07257,
    "h": 247.8
  },
  "luminance": 0.25865
}

Semantic roles & 50–950 ramp

primary
#678FB5
secondary
#CCBBAC
accent
#925DCB
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0E1013
muted
#7E7F82

Preview Lab

Preview with #678FB5

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

Preview Lab → · Contrast checker → · Palette generator →

#678FB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva