#688CD9#688CD9

#688CD9 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.7% C 0.123 H 264.2°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#688CD9
RGB	rgb(104, 140, 217)
HSL	hsl(221, 60%, 63%)
HSV	hsv(221, 52%, 85%)
CMYK	cmyk(52.1%, 35.5%, 0%, 14.9%)
CIE-LAB	lab(58.70, 9.14, -43.27)
CIE-LCH	lch(58.70, 44.22, 281.93°)
OKLab	oklab(64.7% -0.0123 -0.1221)
OKLCH	oklch(64.7% 0.123 264.2)
XYZ	xyz(27.6072, 26.7070, 69.3324)
Luminance	0.2671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CD9 #D9B568

analogous

#68C4D9 #688CD9 #7C68D9

triadic

#688CD9 #D9688C #8CD968

tetradic

#688CD9 #D968C4 #D9B568 #68D97C

square

#688CD9 #D968C4 #D9B568 #68D97C

split-complementary

#688CD9 #D97C68 #C4D968

monochromatic

#284E9F #3767CD #688CD9 #99B1E5 #CAD6F2

Accessibility & contrast

On white

3.31

#688CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#688CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CD9

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CD9	#FFFFFF	#000000	##000000
##688CD9	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E93DC

Deuteranopia (green-blind)

#6188D7

Tritanopia (blue-blind)

#309DA8

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688cd9;
/* rgb */ color: rgb(104, 140, 217);
/* oklch */ color: oklch(64.7% 0.123 264.2);

Tailwind

colors: {
  custom: {
    50: '#9aade5',
    500: '#688cd9',
    950: '#000000',
  },
}

SCSS

$custom: #688cd9;
$custom-light: #9aade5;
$custom-dark: #000000;

JSON

{
  "hex": "#688cd9",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 217
  },
  "hsl": {
    "h": 220.885,
    "s": 59.788,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64695,
    "c": 0.12277,
    "h": 264.2
  },
  "luminance": 0.26709
}

Semantic roles & 50–950 ramp

primary

#688CD9

secondary

#E3D6BA

accent

#911EC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #688CD9

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

Preview Lab → · Contrast checker → · Palette generator →