#678DE8#678DE8

#678DE8 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.7% C 0.143 H 265.5°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#678DE8
RGB	rgb(103, 141, 232)
HSL	hsl(222, 74%, 66%)
HSV	hsv(222, 56%, 91%)
CMYK	cmyk(55.6%, 39.2%, 0%, 9%)
CIE-LAB	lab(59.67, 13.06, -50.10)
CIE-LCH	lch(59.67, 51.77, 284.61°)
OKLab	oklab(65.67% -0.0111 -0.1421)
OKLCH	oklch(65.67% 0.143 265.5)
XYZ	xyz(29.6790, 27.7572, 80.1220)
Luminance	0.2776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DE8 #E8C267

analogous

#67CDE8 #678DE8 #8267E8

triadic

#678DE8 #E8678D #8DE867

tetradic

#678DE8 #E867CD #E8C267 #67E882

square

#678DE8 #E867CD #E8C267 #67E882

split-complementary

#678DE8 #E88267 #CDE867

monochromatic

#1C4AB9 #3265E0 #678DE8 #9CB5F0 #D1DDF8

Accessibility & contrast

On white

3.21

#678DE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#678DE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DE8

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DE8	#FFFFFF	#000000	##000000
##678DE8	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6796EC

Deuteranopia (green-blind)

#578AE6

Tritanopia (blue-blind)

#11A1AF

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #678de8;
/* rgb */ color: rgb(103, 141, 232);
/* oklch */ color: oklch(65.7% 0.143 265.5);

Tailwind

colors: {
  custom: {
    50: '#9badf0',
    500: '#678de8',
    950: '#000000',
  },
}

SCSS

$custom: #678de8;
$custom-light: #9badf0;
$custom-dark: #000000;

JSON

{
  "hex": "#678de8",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 232
  },
  "hsl": {
    "h": 222.326,
    "s": 73.714,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65674,
    "c": 0.14254,
    "h": 265.5
  },
  "luminance": 0.2776
}

Semantic roles & 50–950 ramp

primary

#678DE8

secondary

#EBDEC0

accent

#9B10D6

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #678DE8

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

Preview Lab → · Contrast checker → · Palette generator →