#678AFB#678AFB

#678AFB is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.2% C 0.172 H 268.5°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#678AFB
RGB	rgb(103, 138, 251)
HSL	hsl(226, 95%, 69%)
HSV	hsv(226, 59%, 98%)
CMYK	cmyk(59%, 45%, 0%, 1.6%)
CIE-LAB	lab(59.91, 20.96, -60.21)
CIE-LCH	lch(59.91, 63.75, 289.19°)
OKLab	oklab(66.19% -0.0046 -0.1718)
OKLCH	oklch(66.19% 0.172 268.5)
XYZ	xyz(32.0887, 28.0229, 94.9661)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678AFB #FBD867

analogous

#67D4FB #678AFB #8E67FB

triadic

#678AFB #FB678A #8AFB67

tetradic

#678AFB #FB67D4 #FBD867 #67FB8E

square

#678AFB #FB67D4 #FBD867 #67FB8E

split-complementary

#678AFB #FB8E67 #D4FB67

monochromatic

#063AE2 #2B5CF9 #678AFB #A3B8FD #DEE6FE

Accessibility & contrast

On white

3.18

#678AFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#678AFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678AFB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678AFB	#FFFFFF	#000000	##000000
##678AFB	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5597FF

Deuteranopia (green-blind)

#3E8AF9

Tritanopia (blue-blind)

#00A3B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #678afb;
/* rgb */ color: rgb(103, 138, 251);
/* oklch */ color: oklch(66.2% 0.172 268.5);

Tailwind

colors: {
  custom: {
    50: '#9eabfd',
    500: '#678afb',
    950: '#000000',
  },
}

SCSS

$custom: #678afb;
$custom-light: #9eabfd;
$custom-dark: #000000;

JSON

{
  "hex": "#678afb",
  "rgb": {
    "r": 103,
    "g": 138,
    "b": 251
  },
  "hsl": {
    "h": 225.811,
    "s": 94.872,
    "l": 69.412
  },
  "oklch": {
    "l": 0.66193,
    "c": 0.17185,
    "h": 268.5
  },
  "luminance": 0.28026
}

Semantic roles & 50–950 ramp

primary

#678AFB

secondary

#F4EACA

accent

#AF00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #678AFB

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

Preview Lab → · Contrast checker → · Palette generator →