#678CD9#678CD9

#678CD9 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.123 H 263.8°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#678CD9
RGB	rgb(103, 140, 217)
HSL	hsl(221, 60%, 63%)
HSV	hsv(221, 53%, 85%)
CMYK	cmyk(52.5%, 35.5%, 0%, 14.9%)
CIE-LAB	lab(58.65, 8.91, -43.36)
CIE-LCH	lch(58.65, 44.26, 281.62°)
OKLab	oklab(64.64% -0.0133 -0.1224)
OKLCH	oklch(64.64% 0.123 263.8)
XYZ	xyz(27.4918, 26.6475, 69.3270)
Luminance	0.2665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CD9 #D9B467

analogous

#67C5D9 #678CD9 #7B67D9

triadic

#678CD9 #D9678C #8CD967

tetradic

#678CD9 #D967C5 #D9B467 #67D97B

square

#678CD9 #D967C5 #D9B467 #67D97B

split-complementary

#678CD9 #D97B67 #C5D967

monochromatic

#284E9E #3667CD #678CD9 #98B1E5 #C9D6F1

Accessibility & contrast

On white

3.32

#678CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#678CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CD9

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CD9	#FFFFFF	#000000	##000000
##678CD9	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E93DC

Deuteranopia (green-blind)

#6088D7

Tritanopia (blue-blind)

#2D9DA8

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #678cd9;
/* rgb */ color: rgb(103, 140, 217);
/* oklch */ color: oklch(64.6% 0.123 263.8);

Tailwind

colors: {
  custom: {
    50: '#99ade5',
    500: '#678cd9',
    950: '#000000',
  },
}

SCSS

$custom: #678cd9;
$custom-light: #99ade5;
$custom-dark: #000000;

JSON

{
  "hex": "#678cd9",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 217
  },
  "hsl": {
    "h": 220.526,
    "s": 60,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64637,
    "c": 0.12315,
    "h": 263.8
  },
  "luminance": 0.26649
}

Semantic roles & 50–950 ramp

primary

#678CD9

secondary

#E3D5B9

accent

#911EC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #678CD9

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

Preview Lab → · Contrast checker → · Palette generator →