#688FE5#688FE5

#688FE5 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.0% C 0.136 H 264.5°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#688FE5
RGB	rgb(104, 143, 229)
HSL	hsl(221, 71%, 65%)
HSV	hsv(221, 55%, 90%)
CMYK	cmyk(54.6%, 37.6%, 0%, 10.2%)
CIE-LAB	lab(60.11, 11.13, -47.74)
CIE-LCH	lch(60.11, 49.02, 283.12°)
OKLab	oklab(65.98% -0.0129 -0.1352)
OKLCH	oklch(65.98% 0.136 264.5)
XYZ	xyz(29.6695, 28.2429, 78.0015)
Luminance	0.2824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FE5 #E5BE68

analogous

#68CDE5 #688FE5 #7F68E5

triadic

#688FE5 #E5688F #8FE568

tetradic

#688FE5 #E568CD #E5BE68 #68E57F

square

#688FE5 #E568CD #E5BE68 #68E57F

split-complementary

#688FE5 #E57F68 #CDE568

monochromatic

#1F4DB4 #3468DC #688FE5 #9CB6EE #D0DCF7

Accessibility & contrast

On white

3.16

#688FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#688FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FE5

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FE5	#FFFFFF	#000000	##000000
##688FE5	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C97E8

Deuteranopia (green-blind)

#5D8CE3

Tritanopia (blue-blind)

#1EA2AF

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688fe5;
/* rgb */ color: rgb(104, 143, 229);
/* oklch */ color: oklch(66.0% 0.136 264.5);

Tailwind

colors: {
  custom: {
    50: '#9bafed',
    500: '#688fe5',
    950: '#000000',
  },
}

SCSS

$custom: #688fe5;
$custom-light: #9bafed;
$custom-dark: #000000;

JSON

{
  "hex": "#688fe5",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 229
  },
  "hsl": {
    "h": 221.28,
    "s": 70.621,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65977,
    "c": 0.13578,
    "h": 264.5
  },
  "luminance": 0.28245
}

Semantic roles & 50–950 ramp

primary

#688FE5

secondary

#E9DCBF

accent

#9713D3

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688FE5

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

Preview Lab → · Contrast checker → · Palette generator →