#678BFB#678BFB

#678BFB is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.4% C 0.171 H 268.1°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#678BFB
RGB	rgb(103, 139, 251)
HSL	hsl(225, 95%, 69%)
HSV	hsv(225, 59%, 98%)
CMYK	cmyk(59%, 44.6%, 0%, 1.6%)
CIE-LAB	lab(60.17, 20.36, -59.79)
CIE-LCH	lch(60.17, 63.17, 288.81°)
OKLab	oklab(66.39% -0.0056 -0.1706)
OKLCH	oklch(66.39% 0.171 268.1)
XYZ	xyz(32.2328, 28.3112, 95.0141)
Luminance	0.2831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678BFB #FBD767

analogous

#67D5FB #678BFB #8D67FB

triadic

#678BFB #FB678B #8BFB67

tetradic

#678BFB #FB67D5 #FBD767 #67FB8D

square

#678BFB #FB67D5 #FBD767 #67FB8D

split-complementary

#678BFB #FB8D67 #D5FB67

monochromatic

#063BE2 #2B5DF9 #678BFB #A3B9FD #DEE6FE

Accessibility & contrast

On white

3.15

#678BFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#678BFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678BFB

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678BFB	#FFFFFF	#000000	##000000
##678BFB	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5798FF

Deuteranopia (green-blind)

#418BF9

Tritanopia (blue-blind)

#00A4B7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #678bfb;
/* rgb */ color: rgb(103, 139, 251);
/* oklch */ color: oklch(66.4% 0.171 268.1);

Tailwind

colors: {
  custom: {
    50: '#9eacfd',
    500: '#678bfb',
    950: '#000000',
  },
}

SCSS

$custom: #678bfb;
$custom-light: #9eacfd;
$custom-dark: #000000;

JSON

{
  "hex": "#678bfb",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 251
  },
  "hsl": {
    "h": 225.405,
    "s": 94.872,
    "l": 69.412
  },
  "oklch": {
    "l": 0.66392,
    "c": 0.17065,
    "h": 268.1
  },
  "luminance": 0.28314
}

Semantic roles & 50–950 ramp

primary

#678BFB

secondary

#F4EACA

accent

#AE00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #678BFB

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

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