#678FE9#678FE9

#678FE9 is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.1% C 0.142 H 264.7°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#678FE9
RGB	rgb(103, 143, 233)
HSL	hsl(222, 75%, 66%)
HSV	hsv(222, 56%, 91%)
CMYK	cmyk(55.8%, 38.6%, 0%, 8.6%)
CIE-LAB	lab(60.26, 12.19, -49.72)
CIE-LCH	lch(60.26, 51.19, 283.77°)
OKLab	oklab(66.15% -0.013 -0.141)
OKLCH	oklch(66.15% 0.142 264.7)
XYZ	xyz(30.1190, 28.4093, 80.9714)
Luminance	0.2841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678FE9 #E9C167

analogous

#67D0E9 #678FE9 #8067E9

triadic

#678FE9 #E9678F #8FE967

tetradic

#678FE9 #E967D0 #E9C167 #67E980

square

#678FE9 #E967D0 #E9C167 #67E980

split-complementary

#678FE9 #E98067 #D0E967

monochromatic

#1B4CBB #3268E1 #678FE9 #9CB6F1 #D2DEF8

Accessibility & contrast

On white

3.14

#678FE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#678FE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678FE9

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678FE9	#FFFFFF	#000000	##000000
##678FE9	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A98ED

Deuteranopia (green-blind)

#598CE7

Tritanopia (blue-blind)

#0CA3B1

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #678fe9;
/* rgb */ color: rgb(103, 143, 233);
/* oklch */ color: oklch(66.1% 0.142 264.7);

Tailwind

colors: {
  custom: {
    50: '#9baff0',
    500: '#678fe9',
    950: '#000000',
  },
}

SCSS

$custom: #678fe9;
$custom-light: #9baff0;
$custom-dark: #000000;

JSON

{
  "hex": "#678fe9",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 233
  },
  "hsl": {
    "h": 221.538,
    "s": 74.713,
    "l": 65.882
  },
  "oklch": {
    "l": 0.66145,
    "c": 0.14159,
    "h": 264.7
  },
  "luminance": 0.28412
}

Semantic roles & 50–950 ramp

primary

#678FE9

secondary

#EBDEC0

accent

#990FD7

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #678FE9

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

Preview Lab → · Contrast checker → · Palette generator →