#688DDE#688DDE

#688DDE is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.2% C 0.129 H 264.5°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#688DDE
RGB	rgb(104, 141, 222)
HSL	hsl(221, 64%, 64%)
HSV	hsv(221, 53%, 87%)
CMYK	cmyk(53.2%, 36.5%, 0%, 12.9%)
CIE-LAB	lab(59.22, 10.11, -45.25)
CIE-LCH	lch(59.22, 46.36, 282.59°)
OKLab	oklab(65.18% -0.0123 -0.1279)
OKLCH	oklch(65.18% 0.129 264.5)
XYZ	xyz(28.4142, 27.2646, 72.8584)
Luminance	0.2727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DDE #DEB968

analogous

#68C8DE #688DDE #7E68DE

triadic

#688DDE #DE688D #8DDE68

tetradic

#688DDE #DE68C8 #DEB968 #68DE7E

square

#688DDE #DE68C8 #DEB968 #68DE7E

split-complementary

#688DDE #DE7E68 #C8DE68

monochromatic

#254DA7 #3667D3 #688DDE #9AB3E9 #CCD9F4

Accessibility & contrast

On white

3.25

#688DDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#688DDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DDE

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DDE	#FFFFFF	#000000	##000000
##688DDE	1.00	3.25	6.45	6.45
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D94E1

Deuteranopia (green-blind)

#5F8ADC

Tritanopia (blue-blind)

#2A9FAB

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688dde;
/* rgb */ color: rgb(104, 141, 222);
/* oklch */ color: oklch(65.2% 0.129 264.5);

Tailwind

colors: {
  custom: {
    50: '#9aaee8',
    500: '#688dde',
    950: '#000000',
  },
}

SCSS

$custom: #688dde;
$custom-light: #9aaee8;
$custom-dark: #000000;

JSON

{
  "hex": "#688dde",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 222
  },
  "hsl": {
    "h": 221.186,
    "s": 64.13,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65175,
    "c": 0.1285,
    "h": 264.5
  },
  "luminance": 0.27267
}

Semantic roles & 50–950 ramp

primary

#688DDE

secondary

#E6D9BC

accent

#941ACC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688DDE

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

Preview Lab → · Contrast checker → · Palette generator →