#688BDD#688BDD

#688BDD is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.7% C 0.129 H 265.5°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#688BDD
RGB	rgb(104, 139, 221)
HSL	hsl(222, 63%, 64%)
HSV	hsv(222, 53%, 87%)
CMYK	cmyk(52.9%, 37.1%, 0%, 13.3%)
CIE-LAB	lab(58.63, 10.98, -45.62)
CIE-LCH	lch(58.63, 46.92, 283.53°)
OKLab	oklab(64.7% -0.0102 -0.129)
OKLCH	oklch(64.7% 0.129 265.5)
XYZ	xyz(27.9883, 26.6267, 72.0572)
Luminance	0.2663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BDD #DDBA68

analogous

#68C5DD #688BDD #7F68DD

triadic

#688BDD #DD688B #8BDD68

tetradic

#688BDD #DD68C5 #DDBA68 #68DD7F

square

#688BDD #DD68C5 #DDBA68 #68DD7F

split-complementary

#688BDD #DD7F68 #C5DD68

monochromatic

#254CA5 #3665D2 #688BDD #9AB1E8 #CCD8F3

Accessibility & contrast

On white

3.32

#688BDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#688BDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BDD

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BDD	#FFFFFF	#000000	##000000
##688BDD	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A93E0

Deuteranopia (green-blind)

#5C88DB

Tritanopia (blue-blind)

#2C9DA9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688bdd;
/* rgb */ color: rgb(104, 139, 221);
/* oklch */ color: oklch(64.7% 0.129 265.5);

Tailwind

colors: {
  custom: {
    50: '#9aace8',
    500: '#688bdd',
    950: '#000000',
  },
}

SCSS

$custom: #688bdd;
$custom-light: #9aace8;
$custom-dark: #000000;

JSON

{
  "hex": "#688bdd",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 221
  },
  "hsl": {
    "h": 222.051,
    "s": 63.243,
    "l": 63.725
  },
  "oklch": {
    "l": 0.64701,
    "c": 0.12943,
    "h": 265.5
  },
  "luminance": 0.26629
}

Semantic roles & 50–950 ramp

primary

#688BDD

secondary

#E5D9BC

accent

#961ACB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688BDD

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

Preview Lab → · Contrast checker → · Palette generator →