#688CE7#688CE7

#688CE7 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.142 H 266.3°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#688CE7
RGB	rgb(104, 140, 231)
HSL	hsl(223, 73%, 66%)
HSV	hsv(223, 55%, 91%)
CMYK	cmyk(55%, 39.4%, 0%, 9.4%)
CIE-LAB	lab(59.40, 13.54, -49.96)
CIE-LCH	lch(59.40, 51.76, 285.16°)
OKLab	oklab(65.47% -0.0092 -0.1417)
OKLCH	oklch(65.47% 0.142 266.3)
XYZ	xyz(29.5060, 27.4665, 79.3325)
Luminance	0.2747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CE7 #E7C368

analogous

#68CBE7 #688CE7 #8368E7

triadic

#688CE7 #E7688C #8CE768

tetradic

#688CE7 #E768CB #E7C368 #68E783

square

#688CE7 #E768CB #E7C368 #68E783

split-complementary

#688CE7 #E78368 #CBE768

monochromatic

#1D49B7 #3364DF #688CE7 #9DB4EF #D2DCF8

Accessibility & contrast

On white

3.23

#688CE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#688CE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CE7

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CE7	#FFFFFF	#000000	##000000
##688CE7	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6695EB

Deuteranopia (green-blind)

#578AE5

Tritanopia (blue-blind)

#1BA0AE

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688ce7;
/* rgb */ color: rgb(104, 140, 231);
/* oklch */ color: oklch(65.5% 0.142 266.3);

Tailwind

colors: {
  custom: {
    50: '#9badef',
    500: '#688ce7',
    950: '#000000',
  },
}

SCSS

$custom: #688ce7;
$custom-light: #9badef;
$custom-dark: #000000;

JSON

{
  "hex": "#688ce7",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 231
  },
  "hsl": {
    "h": 222.992,
    "s": 72.571,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65467,
    "c": 0.142,
    "h": 266.3
  },
  "luminance": 0.27469
}

Semantic roles & 50–950 ramp

primary

#688CE7

secondary

#EBDFC0

accent

#9D11D5

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688CE7

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

Preview Lab → · Contrast checker → · Palette generator →