#678CF1#678CF1

#678CF1 is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.0% C 0.156 H 267.0°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#678CF1
RGB	rgb(103, 140, 241)
HSL	hsl(224, 83%, 67%)
HSV	hsv(224, 57%, 95%)
CMYK	cmyk(57.3%, 41.9%, 0%, 5.5%)
CIE-LAB	lab(59.88, 16.53, -54.75)
CIE-LCH	lch(59.88, 57.19, 286.80°)
OKLab	oklab(65.99% -0.0083 -0.1557)
OKLCH	oklch(65.99% 0.156 267)
XYZ	xyz(30.8434, 27.9881, 86.9789)
Luminance	0.2799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CF1 #F1CC67

analogous

#67D1F1 #678CF1 #8767F1

triadic

#678CF1 #F1678C #8CF167

tetradic

#678CF1 #F167D1 #F1CC67 #67F187

square

#678CF1 #F167D1 #F1CC67 #67F187

split-complementary

#678CF1 #F18767 #D1F167

monochromatic

#1344CB #2F62EC #678CF1 #9FB6F6 #D7E1FB

Accessibility & contrast

On white

3.18

#678CF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#678CF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CF1

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CF1	#FFFFFF	#000000	##000000
##678CF1	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6097F5

Deuteranopia (green-blind)

#4D8AEF

Tritanopia (blue-blind)

#00A2B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #678cf1;
/* rgb */ color: rgb(103, 140, 241);
/* oklch */ color: oklch(66.0% 0.156 267.0);

Tailwind

colors: {
  custom: {
    50: '#9cadf6',
    500: '#678cf1',
    950: '#000000',
  },
}

SCSS

$custom: #678cf1;
$custom-light: #9cadf6;
$custom-dark: #000000;

JSON

{
  "hex": "#678cf1",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 241
  },
  "hsl": {
    "h": 223.913,
    "s": 83.133,
    "l": 67.451
  },
  "oklch": {
    "l": 0.6599,
    "c": 0.15596,
    "h": 267
  },
  "luminance": 0.27991
}

Semantic roles & 50–950 ramp

primary

#678CF1

secondary

#EFE4C4

accent

#A506E0

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678CF1

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

Preview Lab → · Contrast checker → · Palette generator →