#678DDF#678DDF

#678DDF is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.2% C 0.130 H 264.3°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#678DDF
RGB	rgb(103, 141, 223)
HSL	hsl(221, 65%, 64%)
HSV	hsv(221, 54%, 87%)
CMYK	cmyk(53.8%, 36.8%, 0%, 12.5%)
CIE-LAB	lab(59.21, 10.20, -45.81)
CIE-LCH	lch(59.21, 46.94, 282.56°)
OKLab	oklab(65.17% -0.013 -0.1296)
OKLCH	oklch(65.17% 0.13 264.3)
XYZ	xyz(28.4332, 27.2589, 73.5609)
Luminance	0.2726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DDF #DFB967

analogous

#67C9DF #678DDF #7D67DF

triadic

#678DDF #DF678D #8DDF67

tetradic

#678DDF #DF67C9 #DFB967 #67DF7D

square

#678DDF #DF67C9 #DFB967 #67DF7D

split-complementary

#678DDF #DF7D67 #C9DF67

monochromatic

#234DA8 #3467D4 #678DDF #9AB3EA #CCD9F4

Accessibility & contrast

On white

3.25

#678DDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#678DDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DDF

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DDF	#FFFFFF	#000000	##000000
##678DDF	1.00	3.25	6.45	6.45
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C94E2

Deuteranopia (green-blind)

#5E89DD

Tritanopia (blue-blind)

#249FAB

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #678ddf;
/* rgb */ color: rgb(103, 141, 223);
/* oklch */ color: oklch(65.2% 0.130 264.3);

Tailwind

colors: {
  custom: {
    50: '#9aaee9',
    500: '#678ddf',
    950: '#000000',
  },
}

SCSS

$custom: #678ddf;
$custom-light: #9aaee9;
$custom-dark: #000000;

JSON

{
  "hex": "#678ddf",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 223
  },
  "hsl": {
    "h": 221,
    "s": 65.217,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65173,
    "c": 0.13024,
    "h": 264.3
  },
  "luminance": 0.27261
}

Semantic roles & 50–950 ramp

primary

#678DDF

secondary

#E6D9BC

accent

#9418CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #678DDF

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

Preview Lab → · Contrast checker → · Palette generator →