#678CEF#678CEF

#678CEF is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.9% C 0.153 H 266.8°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#678CEF
RGB	rgb(103, 140, 239)
HSL	hsl(224, 81%, 67%)
HSV	hsv(224, 57%, 94%)
CMYK	cmyk(56.9%, 41.4%, 0%, 6.3%)
CIE-LAB	lab(59.77, 15.89, -53.81)
CIE-LCH	lch(59.77, 56.11, 286.45°)
OKLab	oklab(65.87% -0.0086 -0.153)
OKLCH	oklch(65.87% 0.153 266.8)
XYZ	xyz(30.5463, 27.8693, 85.4142)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678CEF #EFCA67

analogous

#67D0EF #678CEF #8667EF

triadic

#678CEF #EF678C #8CEF67

tetradic

#678CEF #EF67D0 #EFCA67 #67EF86

square

#678CEF #EF67D0 #EFCA67 #67EF86

split-complementary

#678CEF #EF8667 #D0EF67

monochromatic

#1545C7 #3062E9 #678CEF #9EB6F5 #D6E0FB

Accessibility & contrast

On white

3.19

#678CEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#678CEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678CEF

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678CEF	#FFFFFF	#000000	##000000
##678CEF	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6197F3

Deuteranopia (green-blind)

#4F8AED

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #678cef;
/* rgb */ color: rgb(103, 140, 239);
/* oklch */ color: oklch(65.9% 0.153 266.8);

Tailwind

colors: {
  custom: {
    50: '#9cadf5',
    500: '#678cef',
    950: '#000000',
  },
}

SCSS

$custom: #678cef;
$custom-light: #9cadf5;
$custom-dark: #000000;

JSON

{
  "hex": "#678cef",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 239
  },
  "hsl": {
    "h": 223.676,
    "s": 80.952,
    "l": 67.059
  },
  "oklch": {
    "l": 0.65872,
    "c": 0.15324,
    "h": 266.8
  },
  "luminance": 0.27872
}

Semantic roles & 50–950 ramp

primary

#678CEF

secondary

#EEE3C3

accent

#A308DD

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678CEF

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

Preview Lab → · Contrast checker → · Palette generator →