#688BE4#688BE4

#688BE4 is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.1% C 0.139 H 266.4°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#688BE4
RGB	rgb(104, 139, 228)
HSL	hsl(223, 70%, 65%)
HSV	hsv(223, 54%, 89%)
CMYK	cmyk(54.4%, 39%, 0%, 10.6%)
CIE-LAB	lab(58.98, 13.18, -48.96)
CIE-LCH	lch(58.98, 50.71, 285.07°)
OKLab	oklab(65.09% -0.0087 -0.1388)
OKLCH	oklch(65.09% 0.139 266.4)
XYZ	xyz(28.9404, 27.0076, 77.0717)
Luminance	0.2701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BE4 #E4C168

analogous

#68C9E4 #688BE4 #8368E4

triadic

#688BE4 #E4688B #8BE468

tetradic

#688BE4 #E468C9 #E4C168 #68E483

square

#688BE4 #E468C9 #E4C168 #68E483

split-complementary

#688BE4 #E48368 #C9E468

monochromatic

#2049B2 #3463DB #688BE4 #9CB3ED #D0DBF7

Accessibility & contrast

On white

3.28

#688BE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#688BE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BE4

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BE4	#FFFFFF	#000000	##000000
##688BE4	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6694E8

Deuteranopia (green-blind)

#5789E2

Tritanopia (blue-blind)

#219EAC

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688be4;
/* rgb */ color: rgb(104, 139, 228);
/* oklch */ color: oklch(65.1% 0.139 266.4);

Tailwind

colors: {
  custom: {
    50: '#9baced',
    500: '#688be4',
    950: '#000000',
  },
}

SCSS

$custom: #688be4;
$custom-light: #9baced;
$custom-dark: #000000;

JSON

{
  "hex": "#688be4",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 228
  },
  "hsl": {
    "h": 223.065,
    "s": 69.663,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65091,
    "c": 0.13906,
    "h": 266.4
  },
  "luminance": 0.2701
}

Semantic roles & 50–950 ramp

primary

#688BE4

secondary

#E9DDBF

accent

#9C14D2

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688BE4

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

Preview Lab → · Contrast checker → · Palette generator →