#688CD7#688CD7

#688CD7 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.120 H 263.9°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#688CD7
RGB	rgb(104, 140, 215)
HSL	hsl(221, 58%, 63%)
HSV	hsv(221, 52%, 84%)
CMYK	cmyk(51.6%, 34.9%, 0%, 15.7%)
CIE-LAB	lab(58.61, 8.52, -42.30)
CIE-LCH	lch(58.61, 43.15, 281.38°)
OKLab	oklab(64.59% -0.0128 -0.1193)
OKLCH	oklch(64.59% 0.12 263.9)
XYZ	xyz(27.3487, 26.6036, 67.9707)
Luminance	0.2661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CD7 #D7B368

analogous

#68C3D7 #688CD7 #7C68D7

triadic

#688CD7 #D7688C #8CD768

tetradic

#688CD7 #D768C3 #D7B368 #68D77C

square

#688CD7 #D768C3 #D7B368 #68D77C

split-complementary

#688CD7 #D77C68 #C3D768

monochromatic

#294E9B #3867CA #688CD7 #98B1E4 #C9D6F1

Accessibility & contrast

On white

3.32

#688CD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#688CD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CD7

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CD7	#FFFFFF	#000000	##000000
##688CD7	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F92DA

Deuteranopia (green-blind)

#6288D5

Tritanopia (blue-blind)

#329CA7

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688cd7;
/* rgb */ color: rgb(104, 140, 215);
/* oklch */ color: oklch(64.6% 0.120 263.9);

Tailwind

colors: {
  custom: {
    50: '#9aade3',
    500: '#688cd7',
    950: '#000000',
  },
}

SCSS

$custom: #688cd7;
$custom-light: #9aade3;
$custom-dark: #000000;

JSON

{
  "hex": "#688cd7",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 215
  },
  "hsl": {
    "h": 220.541,
    "s": 58.115,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64589,
    "c": 0.12001,
    "h": 263.9
  },
  "luminance": 0.26606
}

Semantic roles & 50–950 ramp

primary

#688CD7

secondary

#E2D4B9

accent

#9020C6

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688CD7

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

Preview Lab → · Contrast checker → · Palette generator →