#688FE4#688FE4

#688FE4 is a light, vivid blue. Relative luminance 0.282; OKLCH L 65.9% C 0.134 H 264.4°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#688FE4
RGB	rgb(104, 143, 228)
HSL	hsl(221, 70%, 65%)
HSV	hsv(221, 54%, 89%)
CMYK	cmyk(54.4%, 37.3%, 0%, 10.6%)
CIE-LAB	lab(60.06, 10.81, -47.26)
CIE-LCH	lch(60.06, 48.48, 282.89°)
OKLab	oklab(65.92% -0.0132 -0.1338)
OKLCH	oklch(65.92% 0.134 264.4)
XYZ	xyz(29.5302, 28.1872, 77.2683)
Luminance	0.2819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FE4 #E4BD68

analogous

#68CDE4 #688FE4 #7F68E4

triadic

#688FE4 #E4688F #8FE468

tetradic

#688FE4 #E468CD #E4BD68 #68E47F

square

#688FE4 #E468CD #E4BD68 #68E47F

split-complementary

#688FE4 #E47F68 #CDE468

monochromatic

#204EB2 #3468DB #688FE4 #9CB6ED #D0DCF7

Accessibility & contrast

On white

3.16

#688FE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#688FE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FE4

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FE4	#FFFFFF	#000000	##000000
##688FE4	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C97E7

Deuteranopia (green-blind)

#5D8CE2

Tritanopia (blue-blind)

#1FA2AF

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688fe4;
/* rgb */ color: rgb(104, 143, 228);
/* oklch */ color: oklch(65.9% 0.134 264.4);

Tailwind

colors: {
  custom: {
    50: '#9bafed',
    500: '#688fe4',
    950: '#000000',
  },
}

SCSS

$custom: #688fe4;
$custom-light: #9bafed;
$custom-dark: #000000;

JSON

{
  "hex": "#688fe4",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 228
  },
  "hsl": {
    "h": 221.129,
    "s": 69.663,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65922,
    "c": 0.13442,
    "h": 264.4
  },
  "luminance": 0.28189
}

Semantic roles & 50–950 ramp

primary

#688FE4

secondary

#E9DCBF

accent

#9614D2

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688FE4

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

Preview Lab → · Contrast checker → · Palette generator →