#688CDF#688CDF

#688CDF is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.0% C 0.131 H 265.2°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#688CDF
RGB	rgb(104, 140, 223)
HSL	hsl(222, 65%, 64%)
HSV	hsv(222, 53%, 87%)
CMYK	cmyk(53.4%, 37.2%, 0%, 12.5%)
CIE-LAB	lab(59.00, 11.01, -46.15)
CIE-LCH	lch(59.00, 47.45, 283.42°)
OKLab	oklab(65.02% -0.0109 -0.1306)
OKLCH	oklch(65.02% 0.131 265.2)
XYZ	xyz(28.4018, 27.0248, 73.5174)
Luminance	0.2703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CDF #DFBB68

analogous

#68C7DF #688CDF #8068DF

triadic

#688CDF #DF688C #8CDF68

tetradic

#688CDF #DF68C7 #DFBB68 #68DF80

square

#688CDF #DF68C7 #DFBB68 #68DF80

split-complementary

#688CDF #DF8068 #C7DF68

monochromatic

#244CA9 #3666D4 #688CDF #9BB2EA #CDD9F4

Accessibility & contrast

On white

3.28

#688CDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#688CDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CDF

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CDF	#FFFFFF	#000000	##000000
##688CDF	1.00	3.28	6.41	6.41
#FFFFFF	3.28	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)

#6B94E2

Deuteranopia (green-blind)

#5D89DD

Tritanopia (blue-blind)

#299EAB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688cdf;
/* rgb */ color: rgb(104, 140, 223);
/* oklch */ color: oklch(65.0% 0.131 265.2);

Tailwind

colors: {
  custom: {
    50: '#9aade9',
    500: '#688cdf',
    950: '#000000',
  },
}

SCSS

$custom: #688cdf;
$custom-light: #9aade9;
$custom-dark: #000000;

JSON

{
  "hex": "#688cdf",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 223
  },
  "hsl": {
    "h": 221.849,
    "s": 65.027,
    "l": 64.118
  },
  "oklch": {
    "l": 0.6502,
    "c": 0.13102,
    "h": 265.2
  },
  "luminance": 0.27027
}

Semantic roles & 50–950 ramp

primary

#688CDF

secondary

#E6DABD

accent

#9619CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688CDF

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

Preview Lab → · Contrast checker → · Palette generator →