#688DEE#688DEE

#688DEE is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.1% C 0.150 H 266.6°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#688DEE
RGB	rgb(104, 141, 238)
HSL	hsl(223, 80%, 67%)
HSV	hsv(223, 56%, 93%)
CMYK	cmyk(56.3%, 40.8%, 0%, 6.7%)
CIE-LAB	lab(60.04, 15.17, -52.84)
CIE-LCH	lch(60.04, 54.97, 286.02°)
OKLab	oklab(66.07% -0.0089 -0.1501)
OKLCH	oklch(66.07% 0.15 266.6)
XYZ	xyz(30.6612, 28.1635, 84.6927)
Luminance	0.2817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DEE #EEC968

analogous

#68D0EE #688DEE #8668EE

triadic

#688DEE #EE688D #8DEE68

tetradic

#688DEE #EE68D0 #EEC968 #68EE86

square

#688DEE #EE68D0 #EEC968 #68EE86

split-complementary

#688DEE #EE8668 #D0EE68

monochromatic

#1647C5 #3163E8 #688DEE #9FB7F4 #D6E0FA

Accessibility & contrast

On white

3.17

#688DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#688DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DEE

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DEE	#FFFFFF	#000000	##000000
##688DEE	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6497F2

Deuteranopia (green-blind)

#528BEC

Tritanopia (blue-blind)

#02A2B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688dee;
/* rgb */ color: rgb(104, 141, 238);
/* oklch */ color: oklch(66.1% 0.150 266.6);

Tailwind

colors: {
  custom: {
    50: '#9cadf4',
    500: '#688dee',
    950: '#000000',
  },
}

SCSS

$custom: #688dee;
$custom-light: #9cadf4;
$custom-dark: #000000;

JSON

{
  "hex": "#688dee",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 223.433,
    "s": 79.762,
    "l": 67.059
  },
  "oklch": {
    "l": 0.66073,
    "c": 0.15038,
    "h": 266.6
  },
  "luminance": 0.28166
}

Semantic roles & 50–950 ramp

primary

#688DEE

secondary

#EEE2C4

accent

#A209DC

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688DEE

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

Preview Lab → · Contrast checker → · Palette generator →