#678FDF#678FDF

#678FDF is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.6% C 0.128 H 263.2°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#678FDF
RGB	rgb(103, 143, 223)
HSL	hsl(220, 65%, 64%)
HSV	hsv(220, 54%, 87%)
CMYK	cmyk(53.8%, 35.9%, 0%, 12.5%)
CIE-LAB	lab(59.76, 9.03, -44.96)
CIE-LCH	lch(59.76, 45.85, 281.35°)
OKLab	oklab(65.59% -0.0152 -0.1271)
OKLCH	oklch(65.59% 0.128 263.2)
XYZ	xyz(28.7308, 27.8540, 73.6601)
Luminance	0.2786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678FDF #DFB767

analogous

#67CBDF #678FDF #7B67DF

triadic

#678FDF #DF678F #8FDF67

tetradic

#678FDF #DF67CB #DFB767 #67DF7B

square

#678FDF #DF67CB #DFB767 #67DF7B

split-complementary

#678FDF #DF7B67 #CBDF67

monochromatic

#2350A8 #346AD4 #678FDF #9AB4EA #CCDAF4

Accessibility & contrast

On white

3.20

#678FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#678FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678FDF

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678FDF	#FFFFFF	#000000	##000000
##678FDF	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F96E2

Deuteranopia (green-blind)

#608BDD

Tritanopia (blue-blind)

#24A0AC

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #678fdf;
/* rgb */ color: rgb(103, 143, 223);
/* oklch */ color: oklch(65.6% 0.128 263.2);

Tailwind

colors: {
  custom: {
    50: '#9aafe9',
    500: '#678fdf',
    950: '#000000',
  },
}

SCSS

$custom: #678fdf;
$custom-light: #9aafe9;
$custom-dark: #000000;

JSON

{
  "hex": "#678fdf",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 223
  },
  "hsl": {
    "h": 220,
    "s": 65.217,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65594,
    "c": 0.12798,
    "h": 263.2
  },
  "luminance": 0.27856
}

Semantic roles & 50–950 ramp

primary

#678FDF

secondary

#E6D8BC

accent

#9118CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #678FDF

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

Preview Lab → · Contrast checker → · Palette generator →