#678CE8#678CE8

#678CE8 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.144 H 266.0°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#678CE8
RGB	rgb(103, 140, 232)
HSL	hsl(223, 74%, 66%)
HSV	hsv(223, 56%, 91%)
CMYK	cmyk(55.6%, 39.7%, 0%, 9%)
CIE-LAB	lab(59.40, 13.65, -50.52)
CIE-LCH	lch(59.40, 52.34, 285.12°)
OKLab	oklab(65.47% -0.01 -0.1434)
OKLCH	oklch(65.47% 0.144 266)
XYZ	xyz(29.5322, 27.4636, 80.0731)
Luminance	0.2747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CE8 #E8C367

analogous

#67CCE8 #678CE8 #8267E8

triadic

#678CE8 #E8678C #8CE867

tetradic

#678CE8 #E867CC #E8C367 #67E882

square

#678CE8 #E867CC #E8C367 #67E882

split-complementary

#678CE8 #E88267 #CCE867

monochromatic

#1C49B9 #3264E0 #678CE8 #9CB4F0 #D1DCF8

Accessibility & contrast

On white

3.23

#678CE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#678CE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CE8

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CE8	#FFFFFF	#000000	##000000
##678CE8	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6595EC

Deuteranopia (green-blind)

#558AE6

Tritanopia (blue-blind)

#12A0AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #678ce8;
/* rgb */ color: rgb(103, 140, 232);
/* oklch */ color: oklch(65.5% 0.144 266.0);

Tailwind

colors: {
  custom: {
    50: '#9badf0',
    500: '#678ce8',
    950: '#000000',
  },
}

SCSS

$custom: #678ce8;
$custom-light: #9badf0;
$custom-dark: #000000;

JSON

{
  "hex": "#678ce8",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 232
  },
  "hsl": {
    "h": 222.791,
    "s": 73.714,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65467,
    "c": 0.14371,
    "h": 266
  },
  "luminance": 0.27466
}

Semantic roles & 50–950 ramp

primary

#678CE8

secondary

#EBDFC0

accent

#9D10D6

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #678CE8

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

Preview Lab → · Contrast checker → · Palette generator →