#688CFF#688CFF

#688CFF is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.9% C 0.175 H 268.3°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#688CFF
RGB	rgb(104, 140, 255)
HSL	hsl(226, 100%, 70%)
HSV	hsv(226, 59%, 100%)
CMYK	cmyk(59.2%, 45.1%, 0%, 0%)
CIE-LAB	lab(60.71, 21.25, -61.12)
CIE-LCH	lch(60.71, 64.71, 289.17°)
OKLab	oklab(66.89% -0.0051 -0.1744)
OKLCH	oklch(66.89% 0.175 268.3)
XYZ	xyz(33.1309, 28.9165, 98.4239)
Luminance	0.2892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CFF #FFDB68

analogous

#68D8FF #688CFF #8F68FF

triadic

#688CFF #FF688C #8CFF68

tetradic

#688CFF #FF68D8 #FFDB68 #68FF8F

square

#688CFF #FF68D8 #FFDB68 #68FF8F

split-complementary

#688CFF #FF8F68 #D8FF68

monochromatic

#0038ED #2B5DFF #688CFF #A5BBFF #E0E8FF

Accessibility & contrast

On white

3.10

#688CFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#688CFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CFF

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CFF	#FFFFFF	#000000	##000000
##688CFF	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#569AFF

Deuteranopia (green-blind)

#3E8CFD

Tritanopia (blue-blind)

#00A6B9

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688cff;
/* rgb */ color: rgb(104, 140, 255);
/* oklch */ color: oklch(66.9% 0.175 268.3);

Tailwind

colors: {
  custom: {
    50: '#9fadff',
    500: '#688cff',
    950: '#000000',
  },
}

SCSS

$custom: #688cff;
$custom-light: #9fadff;
$custom-dark: #000000;

JSON

{
  "hex": "#688cff",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 255
  },
  "hsl": {
    "h": 225.695,
    "s": 100,
    "l": 70.392
  },
  "oklch": {
    "l": 0.66891,
    "c": 0.17451,
    "h": 268.3
  },
  "luminance": 0.28919
}

Semantic roles & 50–950 ramp

primary

#688CFF

secondary

#F6ECCD

accent

#AF00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#101018

muted

#7F7F86

Preview Lab

Preview with #688CFF

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

Preview Lab → · Contrast checker → · Palette generator →