#678CD8#678CD8

#678CD8 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.122 H 263.6°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#678CD8
RGB	rgb(103, 140, 216)
HSL	hsl(220, 59%, 63%)
HSV	hsv(220, 52%, 85%)
CMYK	cmyk(52.3%, 35.2%, 0%, 15.3%)
CIE-LAB	lab(58.60, 8.60, -42.87)
CIE-LCH	lch(58.60, 43.73, 281.35°)
OKLab	oklab(64.58% -0.0135 -0.121)
OKLCH	oklch(64.58% 0.122 263.6)
XYZ	xyz(27.3621, 26.5956, 68.6440)
Luminance	0.2660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CD8 #D8B367

analogous

#67C4D8 #678CD8 #7B67D8

triadic

#678CD8 #D8678C #8CD867

tetradic

#678CD8 #D867C4 #D8B367 #67D87B

square

#678CD8 #D867C4 #D8B367 #67D87B

split-complementary

#678CD8 #D87B67 #C4D867

monochromatic

#284E9C #3667CC #678CD8 #98B1E4 #C8D6F1

Accessibility & contrast

On white

3.32

#678CD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#678CD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CD8

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CD8	#FFFFFF	#000000	##000000
##678CD8	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E93DB

Deuteranopia (green-blind)

#6188D6

Tritanopia (blue-blind)

#2E9DA8

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #678cd8;
/* rgb */ color: rgb(103, 140, 216);
/* oklch */ color: oklch(64.6% 0.122 263.6);

Tailwind

colors: {
  custom: {
    50: '#99ade4',
    500: '#678cd8',
    950: '#000000',
  },
}

SCSS

$custom: #678cd8;
$custom-light: #99ade4;
$custom-dark: #000000;

JSON

{
  "hex": "#678cd8",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 216
  },
  "hsl": {
    "h": 220.354,
    "s": 59.162,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64584,
    "c": 0.12177,
    "h": 263.6
  },
  "luminance": 0.26598
}

Semantic roles & 50–950 ramp

primary

#678CD8

secondary

#E2D4B9

accent

#901FC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #678CD8

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

Preview Lab → · Contrast checker → · Palette generator →