#678CEB#678CEB

#678CEB is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.6% C 0.148 H 266.4°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#678CEB
RGB	rgb(103, 140, 235)
HSL	hsl(223, 77%, 66%)
HSV	hsv(223, 56%, 92%)
CMYK	cmyk(56.2%, 40.4%, 0%, 7.8%)
CIE-LAB	lab(59.56, 14.61, -51.94)
CIE-LCH	lch(59.56, 53.95, 285.71°)
OKLab	oklab(65.64% -0.0094 -0.1475)
OKLCH	oklch(65.64% 0.148 266.4)
XYZ	xyz(29.9619, 27.6355, 82.3365)
Luminance	0.2764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CEB #EBC667

analogous

#67CEEB #678CEB #8467EB

triadic

#678CEB #EB678C #8CEB67

tetradic

#678CEB #EB67CE #EBC667 #67EB84

square

#678CEB #EB67CE #EBC667 #67EB84

split-complementary

#678CEB #EB8467 #CEEB67

monochromatic

#1947BF #3163E4 #678CEB #9DB5F2 #D3DEF9

Accessibility & contrast

On white

3.22

#678CEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#678CEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CEB

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CEB	#FFFFFF	#000000	##000000
##678CEB	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6496EF

Deuteranopia (green-blind)

#538AE9

Tritanopia (blue-blind)

#05A1B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #678ceb;
/* rgb */ color: rgb(103, 140, 235);
/* oklch */ color: oklch(65.6% 0.148 266.4);

Tailwind

colors: {
  custom: {
    50: '#9badf2',
    500: '#678ceb',
    950: '#000000',
  },
}

SCSS

$custom: #678ceb;
$custom-light: #9badf2;
$custom-dark: #000000;

JSON

{
  "hex": "#678ceb",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 235
  },
  "hsl": {
    "h": 223.182,
    "s": 76.744,
    "l": 66.275
  },
  "oklch": {
    "l": 0.65639,
    "c": 0.1478,
    "h": 266.4
  },
  "luminance": 0.27638
}

Semantic roles & 50–950 ramp

primary

#678CEB

secondary

#ECE0C1

accent

#A00DD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678CEB

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

Preview Lab → · Contrast checker → · Palette generator →