#678DEE#678DEE

#678DEE is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.0% C 0.151 H 266.2°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#678DEE
RGB	rgb(103, 141, 238)
HSL	hsl(223, 80%, 67%)
HSV	hsv(223, 57%, 93%)
CMYK	cmyk(56.7%, 40.8%, 0%, 6.7%)
CIE-LAB	lab(59.98, 14.97, -52.92)
CIE-LCH	lch(59.98, 55.00, 285.80°)
OKLab	oklab(66.02% -0.0099 -0.1504)
OKLCH	oklch(66.02% 0.151 266.2)
XYZ	xyz(30.5458, 28.1039, 84.6873)
Luminance	0.2811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678DEE #EEC867

analogous

#67D1EE #678DEE #8567EE

triadic

#678DEE #EE678D #8DEE67

tetradic

#678DEE #EE67D1 #EEC867 #67EE85

square

#678DEE #EE67D1 #EEC867 #67EE85

split-complementary

#678DEE #EE8567 #D1EE67

monochromatic

#1647C5 #3064E8 #678DEE #9EB6F4 #D5E0FA

Accessibility & contrast

On white

3.17

#678DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#678DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678DEE

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678DEE	#FFFFFF	#000000	##000000
##678DEE	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6397F2

Deuteranopia (green-blind)

#528BEC

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #678dee;
/* rgb */ color: rgb(103, 141, 238);
/* oklch */ color: oklch(66.0% 0.151 266.2);

Tailwind

colors: {
  custom: {
    50: '#9cadf4',
    500: '#678dee',
    950: '#000000',
  },
}

SCSS

$custom: #678dee;
$custom-light: #9cadf4;
$custom-dark: #000000;

JSON

{
  "hex": "#678dee",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 223.111,
    "s": 79.882,
    "l": 66.863
  },
  "oklch": {
    "l": 0.66018,
    "c": 0.1507,
    "h": 266.2
  },
  "luminance": 0.28106
}

Semantic roles & 50–950 ramp

primary

#678DEE

secondary

#EEE2C3

accent

#A109DC

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678DEE

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

Preview Lab → · Contrast checker → · Palette generator →