#678CF0#678CF0

#678CF0 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.9% C 0.155 H 266.9°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#678CF0
RGB	rgb(103, 140, 240)
HSL	hsl(224, 82%, 67%)
HSV	hsv(224, 57%, 94%)
CMYK	cmyk(57.1%, 41.7%, 0%, 5.9%)
CIE-LAB	lab(59.82, 16.21, -54.28)
CIE-LCH	lch(59.82, 56.65, 286.63°)
OKLab	oklab(65.93% -0.0084 -0.1544)
OKLCH	oklch(65.93% 0.155 266.9)
XYZ	xyz(30.6945, 27.9286, 86.1944)
Luminance	0.2793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CF0 #F0CB67

analogous

#67D0F0 #678CF0 #8767F0

triadic

#678CF0 #F0678C #8CF067

tetradic

#678CF0 #F067D0 #F0CB67 #67F087

square

#678CF0 #F067D0 #F0CB67 #67F087

split-complementary

#678CF0 #F08767 #D0F067

monochromatic

#1445C9 #2F62EB #678CF0 #9FB6F5 #D6E0FB

Accessibility & contrast

On white

3.19

#678CF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#678CF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CF0

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CF0	#FFFFFF	#000000	##000000
##678CF0	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6097F4

Deuteranopia (green-blind)

#4E8AEE

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #678cf0;
/* rgb */ color: rgb(103, 140, 240);
/* oklch */ color: oklch(65.9% 0.155 266.9);

Tailwind

colors: {
  custom: {
    50: '#9cadf5',
    500: '#678cf0',
    950: '#000000',
  },
}

SCSS

$custom: #678cf0;
$custom-light: #9cadf5;
$custom-dark: #000000;

JSON

{
  "hex": "#678cf0",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 240
  },
  "hsl": {
    "h": 223.796,
    "s": 82.036,
    "l": 67.255
  },
  "oklch": {
    "l": 0.65931,
    "c": 0.1546,
    "h": 266.9
  },
  "luminance": 0.27931
}

Semantic roles & 50–950 ramp

primary

#678CF0

secondary

#EFE3C4

accent

#A407DE

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678CF0

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

Preview Lab → · Contrast checker → · Palette generator →