#678CDC#678CDC

#678CDC is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.8% C 0.127 H 264.3°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#678CDC
RGB	rgb(103, 140, 220)
HSL	hsl(221, 63%, 63%)
HSV	hsv(221, 53%, 86%)
CMYK	cmyk(53.2%, 36.4%, 0%, 13.7%)
CIE-LAB	lab(58.79, 9.85, -44.80)
CIE-LCH	lch(58.79, 45.87, 282.40°)
OKLab	oklab(64.8% -0.0126 -0.1267)
OKLCH	oklch(64.8% 0.127 264.3)
XYZ	xyz(27.8855, 26.8050, 71.4007)
Luminance	0.2681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CDC #DCB767

analogous

#67C6DC #678CDC #7C67DC

triadic

#678CDC #DC678C #8CDC67

tetradic

#678CDC #DC67C6 #DCB767 #67DC7C

square

#678CDC #DC67C6 #DCB767 #67DC7C

split-complementary

#678CDC #DC7C67 #C6DC67

monochromatic

#264DA3 #3566D1 #678CDC #99B2E7 #CAD7F3

Accessibility & contrast

On white

3.30

#678CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#678CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CDC

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CDC	#FFFFFF	#000000	##000000
##678CDC	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C93DF

Deuteranopia (green-blind)

#5E89DA

Tritanopia (blue-blind)

#299DAA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #678cdc;
/* rgb */ color: rgb(103, 140, 220);
/* oklch */ color: oklch(64.8% 0.127 264.3);

Tailwind

colors: {
  custom: {
    50: '#9aade7',
    500: '#678cdc',
    950: '#000000',
  },
}

SCSS

$custom: #678cdc;
$custom-light: #9aade7;
$custom-dark: #000000;

JSON

{
  "hex": "#678cdc",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 220
  },
  "hsl": {
    "h": 221.026,
    "s": 62.567,
    "l": 63.333
  },
  "oklch": {
    "l": 0.64799,
    "c": 0.12727,
    "h": 264.3
  },
  "luminance": 0.26807
}

Semantic roles & 50–950 ramp

primary

#678CDC

secondary

#E4D7BB

accent

#931BCA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #678CDC

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

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