#688BE5#688BE5

#688BE5 is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.1% C 0.140 H 266.5°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#688BE5
RGB	rgb(104, 139, 229)
HSL	hsl(223, 71%, 65%)
HSV	hsv(223, 55%, 90%)
CMYK	cmyk(54.6%, 39.3%, 0%, 10.2%)
CIE-LAB	lab(59.03, 13.50, -49.44)
CIE-LCH	lch(59.03, 51.25, 285.27°)
OKLab	oklab(65.15% -0.0085 -0.1402)
OKLCH	oklch(65.15% 0.14 266.5)
XYZ	xyz(29.0797, 27.0633, 77.8049)
Luminance	0.2707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BE5 #E5C268

analogous

#68C9E5 #688BE5 #8368E5

triadic

#688BE5 #E5688B #8BE568

tetradic

#688BE5 #E568C9 #E5C268 #68E583

square

#688BE5 #E568C9 #E5C268 #68E583

split-complementary

#688BE5 #E58368 #C9E568

monochromatic

#1F49B4 #3463DC #688BE5 #9CB3EE #D0DBF7

Accessibility & contrast

On white

3.27

#688BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#688BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BE5

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BE5	#FFFFFF	#000000	##000000
##688BE5	1.00	3.27	6.41	6.41
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6694E9

Deuteranopia (green-blind)

#5789E3

Tritanopia (blue-blind)

#1F9FAD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688be5;
/* rgb */ color: rgb(104, 139, 229);
/* oklch */ color: oklch(65.1% 0.140 266.5);

Tailwind

colors: {
  custom: {
    50: '#9baced',
    500: '#688be5',
    950: '#000000',
  },
}

SCSS

$custom: #688be5;
$custom-light: #9baced;
$custom-dark: #000000;

JSON

{
  "hex": "#688be5",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 229
  },
  "hsl": {
    "h": 223.2,
    "s": 70.621,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65147,
    "c": 0.14044,
    "h": 266.5
  },
  "luminance": 0.27065
}

Semantic roles & 50–950 ramp

primary

#688BE5

secondary

#E9DEBF

accent

#9D13D3

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688BE5

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

Preview Lab → · Contrast checker → · Palette generator →