#688CE4#688CE4

#688CE4 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.3% C 0.138 H 265.9°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#688CE4
RGB	rgb(104, 140, 228)
HSL	hsl(223, 70%, 65%)
HSV	hsv(223, 54%, 89%)
CMYK	cmyk(54.4%, 38.6%, 0%, 10.6%)
CIE-LAB	lab(59.25, 12.59, -48.54)
CIE-LCH	lch(59.25, 50.14, 284.54°)
OKLab	oklab(65.3% -0.0098 -0.1375)
OKLCH	oklch(65.3% 0.138 265.9)
XYZ	xyz(29.0859, 27.2985, 77.1202)
Luminance	0.2730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CE4 #E4C068

analogous

#68CAE4 #688CE4 #8268E4

triadic

#688CE4 #E4688C #8CE468

tetradic

#688CE4 #E468CA #E4C068 #68E482

square

#688CE4 #E468CA #E4C068 #68E482

split-complementary

#688CE4 #E48268 #CAE468

monochromatic

#204AB2 #3464DB #688CE4 #9CB4ED #D0DBF7

Accessibility & contrast

On white

3.25

#688CE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#688CE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CE4

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CE4	#FFFFFF	#000000	##000000
##688CE4	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6895E7

Deuteranopia (green-blind)

#5989E2

Tritanopia (blue-blind)

#219FAD

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688ce4;
/* rgb */ color: rgb(104, 140, 228);
/* oklch */ color: oklch(65.3% 0.138 265.9);

Tailwind

colors: {
  custom: {
    50: '#9baded',
    500: '#688ce4',
    950: '#000000',
  },
}

SCSS

$custom: #688ce4;
$custom-light: #9baded;
$custom-dark: #000000;

JSON

{
  "hex": "#688ce4",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 228
  },
  "hsl": {
    "h": 222.581,
    "s": 69.663,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65298,
    "c": 0.13788,
    "h": 265.9
  },
  "luminance": 0.27301
}

Semantic roles & 50–950 ramp

primary

#688CE4

secondary

#E9DDBF

accent

#9B14D2

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688CE4

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

Preview Lab → · Contrast checker → · Palette generator →