#688BF8#688BF8

#688BF8 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.3% C 0.166 H 268.2°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#688BF8
RGB	rgb(104, 139, 248)
HSL	hsl(225, 91%, 69%)
HSV	hsv(225, 58%, 97%)
CMYK	cmyk(58.1%, 44%, 0%, 2.7%)
CIE-LAB	lab(60.05, 19.58, -58.33)
CIE-LCH	lch(60.05, 61.52, 288.56°)
OKLab	oklab(66.26% -0.0051 -0.1662)
OKLCH	oklch(66.26% 0.166 268.2)
XYZ	xyz(31.8791, 28.1830, 92.5487)
Luminance	0.2819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BF8 #F8D568

analogous

#68D3F8 #688BF8 #8D68F8

triadic

#688BF8 #F8688B #8BF868

tetradic

#688BF8 #F868D3 #F8D568 #68F88D

square

#688BF8 #F868D3 #F8D568 #68F88D

split-complementary

#688BF8 #F88D68 #D3F868

monochromatic

#0A3DDB #2E5EF5 #688BF8 #A2B8FB #DDE5FD

Accessibility & contrast

On white

3.16

#688BF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#688BF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BF8

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BF8	#FFFFFF	#000000	##000000
##688BF8	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)

#5998FC

Deuteranopia (green-blind)

#458BF6

Tritanopia (blue-blind)

#00A3B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688bf8;
/* rgb */ color: rgb(104, 139, 248);
/* oklch */ color: oklch(66.3% 0.166 268.2);

Tailwind

colors: {
  custom: {
    50: '#9eacfb',
    500: '#688bf8',
    950: '#000000',
  },
}

SCSS

$custom: #688bf8;
$custom-light: #9eacfb;
$custom-dark: #000000;

JSON

{
  "hex": "#688bf8",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 248
  },
  "hsl": {
    "h": 225.417,
    "s": 91.139,
    "l": 69.02
  },
  "oklch": {
    "l": 0.66263,
    "c": 0.16631,
    "h": 268.2
  },
  "luminance": 0.28186
}

Semantic roles & 50–950 ramp

primary

#688BF8

secondary

#F3E9C9

accent

#AE00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688BF8

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

Preview Lab → · Contrast checker → · Palette generator →