#688CD8#688CD8

#688CD8 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.6% C 0.121 H 264.1°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#688CD8
RGB	rgb(104, 140, 216)
HSL	hsl(221, 59%, 63%)
HSV	hsv(221, 52%, 85%)
CMYK	cmyk(51.9%, 35.2%, 0%, 15.3%)
CIE-LAB	lab(58.65, 8.83, -42.78)
CIE-LCH	lch(58.65, 43.68, 281.66°)
OKLab	oklab(64.64% -0.0126 -0.1207)
OKLCH	oklch(64.64% 0.121 264.1)
XYZ	xyz(27.4775, 26.6551, 68.6494)
Luminance	0.2666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CD8 #D8B468

analogous

#68C4D8 #688CD8 #7C68D8

triadic

#688CD8 #D8688C #8CD868

tetradic

#688CD8 #D868C4 #D8B468 #68D87C

square

#688CD8 #D868C4 #D8B468 #68D87C

split-complementary

#688CD8 #D87C68 #C4D868

monochromatic

#294E9D #3767CB #688CD8 #99B1E5 #C9D6F1

Accessibility & contrast

On white

3.32

#688CD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#688CD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CD8

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CD8	#FFFFFF	#000000	##000000
##688CD8	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)

#6E93DB

Deuteranopia (green-blind)

#6188D6

Tritanopia (blue-blind)

#319CA8

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688cd8;
/* rgb */ color: rgb(104, 140, 216);
/* oklch */ color: oklch(64.6% 0.121 264.1);

Tailwind

colors: {
  custom: {
    50: '#9aade4',
    500: '#688cd8',
    950: '#000000',
  },
}

SCSS

$custom: #688cd8;
$custom-light: #9aade4;
$custom-dark: #000000;

JSON

{
  "hex": "#688cd8",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 216
  },
  "hsl": {
    "h": 220.714,
    "s": 58.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64642,
    "c": 0.12139,
    "h": 264.1
  },
  "luminance": 0.26657
}

Semantic roles & 50–950 ramp

primary

#688CD8

secondary

#E2D5BA

accent

#911FC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #688CD8

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

Preview Lab → · Contrast checker → · Palette generator →