#678BC4#678BC4

#678BC4 is a light, moderate blue. Relative luminance 0.253; OKLCH L 63.3% C 0.095 H 259.3°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#678BC4
RGB	rgb(103, 139, 196)
HSL	hsl(217, 44%, 59%)
HSV	hsv(217, 47%, 77%)
CMYK	cmyk(47.4%, 29.1%, 0%, 23.1%)
CIE-LAB	lab(57.40, 3.07, -33.50)
CIE-LCH	lch(57.40, 33.64, 275.24°)
OKLab	oklab(63.35% -0.0177 -0.0938)
OKLCH	oklch(63.35% 0.095 259.3)
XYZ	xyz(24.7866, 25.3327, 55.7974)
Luminance	0.2533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BC4 #C4A067

analogous

#67B9C4 #678BC4 #7167C4

triadic

#678BC4 #C4678B #8BC467

tetradic

#678BC4 #C467B9 #C4A067 #67C471

square

#678BC4 #C467B9 #C4A067 #67C471

split-complementary

#678BC4 #C47167 #B9C467

monochromatic

#31507F #426BAB #678BC4 #93ADD5 #BFCEE6

Accessibility & contrast

On white

3.46

#678BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#678BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BC4

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BC4	#FFFFFF	#000000	##000000
##678BC4	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758FC6

Deuteranopia (green-blind)

#6B86C3

Tritanopia (blue-blind)

#40979F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #678bc4;
/* rgb */ color: rgb(103, 139, 196);
/* oklch */ color: oklch(63.3% 0.095 259.3);

Tailwind

colors: {
  custom: {
    50: '#97acd6',
    500: '#678bc4',
    950: '#000000',
  },
}

SCSS

$custom: #678bc4;
$custom-light: #97acd6;
$custom-dark: #000000;

JSON

{
  "hex": "#678bc4",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 196
  },
  "hsl": {
    "h": 216.774,
    "s": 44.076,
    "l": 58.627
  },
  "oklch": {
    "l": 0.63346,
    "c": 0.09548,
    "h": 259.3
  },
  "luminance": 0.25334
}

Semantic roles & 50–950 ramp

primary

#678BC4

secondary

#D6C8B1

accent

#A254D4

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #678BC4

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

Preview Lab → · Contrast checker → · Palette generator →