#688DEF#688DEF

#688DEF is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.1% C 0.152 H 266.7°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#688DEF
RGB	rgb(104, 141, 239)
HSL	hsl(224, 81%, 67%)
HSV	hsv(224, 56%, 94%)
CMYK	cmyk(56.5%, 41%, 0%, 6.3%)
CIE-LAB	lab(60.09, 15.49, -53.30)
CIE-LCH	lch(60.09, 55.51, 286.21°)
OKLab	oklab(66.13% -0.0088 -0.1515)
OKLCH	oklch(66.13% 0.152 266.7)
XYZ	xyz(30.8085, 28.2224, 85.4686)
Luminance	0.2823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DEF #EFCA68

analogous

#68D0EF #688DEF #8768EF

triadic

#688DEF #EF688D #8DEF68

tetradic

#688DEF #EF68D0 #EFCA68 #68EF87

square

#688DEF #EF68D0 #EFCA68 #68EF87

split-complementary

#688DEF #EF8768 #D0EF68

monochromatic

#1546C7 #3163E9 #688DEF #9FB7F5 #D7E1FB

Accessibility & contrast

On white

3.16

#688DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#688DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DEF

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DEF	#FFFFFF	#000000	##000000
##688DEF	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6397F3

Deuteranopia (green-blind)

#518BED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688def;
/* rgb */ color: rgb(104, 141, 239);
/* oklch */ color: oklch(66.1% 0.152 266.7);

Tailwind

colors: {
  custom: {
    50: '#9cadf5',
    500: '#688def',
    950: '#000000',
  },
}

SCSS

$custom: #688def;
$custom-light: #9cadf5;
$custom-dark: #000000;

JSON

{
  "hex": "#688def",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 239
  },
  "hsl": {
    "h": 223.556,
    "s": 80.838,
    "l": 67.255
  },
  "oklch": {
    "l": 0.66131,
    "c": 0.15173,
    "h": 266.7
  },
  "luminance": 0.28225
}

Semantic roles & 50–950 ramp

primary

#688DEF

secondary

#EFE3C4

accent

#A308DD

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688DEF

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

Preview Lab → · Contrast checker → · Palette generator →