#678BE5#678BE5

#678BE5 is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.1% C 0.141 H 266.1°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#678BE5
RGB	rgb(103, 139, 229)
HSL	hsl(223, 71%, 65%)
HSV	hsv(223, 55%, 90%)
CMYK	cmyk(55%, 39.3%, 0%, 10.2%)
CIE-LAB	lab(58.98, 13.29, -49.53)
CIE-LCH	lch(58.98, 51.28, 285.02°)
OKLab	oklab(65.09% -0.0095 -0.1405)
OKLCH	oklch(65.09% 0.141 266.1)
XYZ	xyz(28.9642, 27.0037, 77.7995)
Luminance	0.2701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BE5 #E5C167

analogous

#67CAE5 #678BE5 #8267E5

triadic

#678BE5 #E5678B #8BE567

tetradic

#678BE5 #E567CA #E5C167 #67E582

square

#678BE5 #E567CA #E5C167 #67E582

split-complementary

#678BE5 #E58267 #CAE567

monochromatic

#1F49B3 #3363DC #678BE5 #9BB3EE #D0DBF7

Accessibility & contrast

On white

3.28

#678BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#678BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BE5

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BE5	#FFFFFF	#000000	##000000
##678BE5	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6694E9

Deuteranopia (green-blind)

#5689E3

Tritanopia (blue-blind)

#1A9FAD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #678be5;
/* rgb */ color: rgb(103, 139, 229);
/* oklch */ color: oklch(65.1% 0.141 266.1);

Tailwind

colors: {
  custom: {
    50: '#9baced',
    500: '#678be5',
    950: '#000000',
  },
}

SCSS

$custom: #678be5;
$custom-light: #9baced;
$custom-dark: #000000;

JSON

{
  "hex": "#678be5",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 229
  },
  "hsl": {
    "h": 222.857,
    "s": 70.787,
    "l": 65.098
  },
  "oklch": {
    "l": 0.6509,
    "c": 0.14078,
    "h": 266.1
  },
  "luminance": 0.27006
}

Semantic roles & 50–950 ramp

primary

#678BE5

secondary

#E9DDBF

accent

#9C13D3

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #678BE5

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

Preview Lab → · Contrast checker → · Palette generator →