#678FEF#678FEF

#678FEF is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.5% C 0.150 H 265.5°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#678FEF
RGB	rgb(103, 143, 239)
HSL	hsl(222, 81%, 67%)
HSV	hsv(222, 57%, 94%)
CMYK	cmyk(56.9%, 40.2%, 0%, 6.3%)
CIE-LAB	lab(60.57, 14.11, -52.55)
CIE-LCH	lch(60.57, 54.41, 285.03°)
OKLab	oklab(66.49% -0.0118 -0.1493)
OKLCH	oklch(66.49% 0.15 265.5)
XYZ	xyz(30.9907, 28.7580, 85.5623)
Luminance	0.2876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678FEF #EFC767

analogous

#67D3EF #678FEF #8367EF

triadic

#678FEF #EF678F #8FEF67

tetradic

#678FEF #EF67D3 #EFC767 #67EF83

square

#678FEF #EF67D3 #EFC767 #67EF83

split-complementary

#678FEF #EF8367 #D3EF67

monochromatic

#1549C7 #3066E9 #678FEF #9EB8F5 #D6E1FB

Accessibility & contrast

On white

3.11

#678FEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#678FEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678FEF

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678FEF	#FFFFFF	#000000	##000000
##678FEF	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6699F3

Deuteranopia (green-blind)

#548CED

Tritanopia (blue-blind)

#00A4B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #678fef;
/* rgb */ color: rgb(103, 143, 239);
/* oklch */ color: oklch(66.5% 0.150 265.5);

Tailwind

colors: {
  custom: {
    50: '#9caff5',
    500: '#678fef',
    950: '#000000',
  },
}

SCSS

$custom: #678fef;
$custom-light: #9caff5;
$custom-dark: #000000;

JSON

{
  "hex": "#678fef",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 239
  },
  "hsl": {
    "h": 222.353,
    "s": 80.952,
    "l": 67.059
  },
  "oklch": {
    "l": 0.66486,
    "c": 0.14973,
    "h": 265.5
  },
  "luminance": 0.2876
}

Semantic roles & 50–950 ramp

primary

#678FEF

secondary

#EEE2C3

accent

#9F08DD

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #678FEF

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

Preview Lab → · Contrast checker → · Palette generator →