#688FF3#688FF3

#688FF3 is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.8% C 0.155 H 266.3°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#688FF3
RGB	rgb(104, 143, 243)
HSL	hsl(223, 85%, 68%)
HSV	hsv(223, 57%, 95%)
CMYK	cmyk(57.2%, 41.2%, 0%, 4.7%)
CIE-LAB	lab(60.83, 15.59, -54.33)
CIE-LCH	lch(60.83, 56.52, 286.01°)
OKLab	oklab(66.77% -0.0101 -0.1545)
OKLCH	oklch(66.77% 0.155 266.3)
XYZ	xyz(31.7036, 29.0565, 88.7144)
Luminance	0.2906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FF3 #F3CC68

analogous

#68D5F3 #688FF3 #8668F3

triadic

#688FF3 #F3688F #8FF368

tetradic

#688FF3 #F368D5 #F3CC68 #68F386

square

#688FF3 #F368D5 #F3CC68 #68F386

split-complementary

#688FF3 #F38668 #D5F368

monochromatic

#1146D0 #2F65EE #688FF3 #A1B9F8 #D9E3FC

Accessibility & contrast

On white

3.08

#688FF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#688FF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FF3

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FF3	#FFFFFF	#000000	##000000
##688FF3	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6499F7

Deuteranopia (green-blind)

#518DF1

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #688ff3;
/* rgb */ color: rgb(104, 143, 243);
/* oklch */ color: oklch(66.8% 0.155 266.3);

Tailwind

colors: {
  custom: {
    50: '#9daff7',
    500: '#688ff3',
    950: '#000000',
  },
}

SCSS

$custom: #688ff3;
$custom-light: #9daff7;
$custom-dark: #000000;

JSON

{
  "hex": "#688ff3",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 243
  },
  "hsl": {
    "h": 223.165,
    "s": 85.276,
    "l": 68.039
  },
  "oklch": {
    "l": 0.66772,
    "c": 0.1548,
    "h": 266.3
  },
  "luminance": 0.29059
}

Semantic roles & 50–950 ramp

primary

#688FF3

secondary

#F1E5C6

accent

#A304E2

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688FF3

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

Preview Lab → · Contrast checker → · Palette generator →