#688FF1#688FF1

#688FF1 is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.7% C 0.152 H 266.0°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#688FF1
RGB	rgb(104, 143, 241)
HSL	hsl(223, 83%, 68%)
HSV	hsv(223, 57%, 95%)
CMYK	cmyk(56.8%, 40.7%, 0%, 5.5%)
CIE-LAB	lab(60.73, 14.95, -53.40)
CIE-LCH	lch(60.73, 55.45, 285.64°)
OKLab	oklab(66.66% -0.0105 -0.1517)
OKLCH	oklch(66.66% 0.152 266)
XYZ	xyz(31.4032, 28.9363, 87.1325)
Luminance	0.2894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FF1 #F1CA68

analogous

#68D3F1 #688FF1 #8668F1

triadic

#688FF1 #F1688F #8FF168

tetradic

#688FF1 #F168D3 #F1CA68 #68F186

square

#688FF1 #F168D3 #F1CA68 #68F186

split-complementary

#688FF1 #F18668 #D3F168

monochromatic

#1348CC #3065EC #688FF1 #A0B9F6 #D8E2FB

Accessibility & contrast

On white

3.09

#688FF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#688FF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FF1

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FF1	#FFFFFF	#000000	##000000
##688FF1	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6599F5

Deuteranopia (green-blind)

#538DEF

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688ff1;
/* rgb */ color: rgb(104, 143, 241);
/* oklch */ color: oklch(66.7% 0.152 266.0);

Tailwind

colors: {
  custom: {
    50: '#9daff6',
    500: '#688ff1',
    950: '#000000',
  },
}

SCSS

$custom: #688ff1;
$custom-light: #9daff6;
$custom-dark: #000000;

JSON

{
  "hex": "#688ff1",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 241
  },
  "hsl": {
    "h": 222.92,
    "s": 83.03,
    "l": 67.647
  },
  "oklch": {
    "l": 0.66656,
    "c": 0.15209,
    "h": 266
  },
  "luminance": 0.28939
}

Semantic roles & 50–950 ramp

primary

#688FF1

secondary

#F0E4C5

accent

#A206DF

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688FF1

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

Preview Lab → · Contrast checker → · Palette generator →