#678BC2#678BC2

#678BC2 is a light, moderate blue. Relative luminance 0.252; OKLCH L 63.2% C 0.093 H 258.6°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#678BC2
RGB	rgb(103, 139, 194)
HSL	hsl(216, 43%, 58%)
HSV	hsv(216, 47%, 76%)
CMYK	cmyk(46.9%, 28.4%, 0%, 23.9%)
CIE-LAB	lab(57.31, 2.48, -32.50)
CIE-LCH	lch(57.31, 32.60, 274.36°)
OKLab	oklab(63.25% -0.0183 -0.091)
OKLCH	oklch(63.25% 0.093 258.6)
XYZ	xyz(24.5605, 25.2423, 54.6065)
Luminance	0.2524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BC2 #C29E67

analogous

#67B8C2 #678BC2 #7067C2

triadic

#678BC2 #C2678B #8BC267

tetradic

#678BC2 #C267B8 #C29E67 #67C270

square

#678BC2 #C267B8 #C29E67 #67C270

split-complementary

#678BC2 #C27067 #B8C267

monochromatic

#32507D #446BA8 #678BC2 #93ACD4 #BECEE5

Accessibility & contrast

On white

3.47

#678BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#678BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BC2

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BC2	#FFFFFF	#000000	##000000
##678BC2	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768EC4

Deuteranopia (green-blind)

#6C86C1

Tritanopia (blue-blind)

#42979E

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #678bc2;
/* rgb */ color: rgb(103, 139, 194);
/* oklch */ color: oklch(63.2% 0.093 258.6);

Tailwind

colors: {
  custom: {
    50: '#97acd4',
    500: '#678bc2',
    950: '#000000',
  },
}

SCSS

$custom: #678bc2;
$custom-light: #97acd4;
$custom-dark: #000000;

JSON

{
  "hex": "#678bc2",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 194
  },
  "hsl": {
    "h": 216.264,
    "s": 42.723,
    "l": 58.235
  },
  "oklch": {
    "l": 0.63249,
    "c": 0.09277,
    "h": 258.6
  },
  "luminance": 0.25244
}

Semantic roles & 50–950 ramp

primary

#678BC2

secondary

#D5C6B0

accent

#A155D3

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #678BC2

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

Preview Lab → · Contrast checker → · Palette generator →