#688EF2#688EF2

#688EF2 is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.5% C 0.155 H 266.6°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#688EF2
RGB	rgb(104, 142, 242)
HSL	hsl(223, 84%, 68%)
HSV	hsv(223, 57%, 95%)
CMYK	cmyk(57%, 41.3%, 0%, 5.1%)
CIE-LAB	lab(60.51, 15.86, -54.29)
CIE-LCH	lch(60.51, 56.55, 286.29°)
OKLab	oklab(66.51% -0.0092 -0.1543)
OKLCH	oklch(66.51% 0.155 266.6)
XYZ	xyz(31.4035, 28.6974, 87.8715)
Luminance	0.2870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EF2 #F2CC68

analogous

#68D3F2 #688EF2 #8768F2

triadic

#688EF2 #F2688E #8EF268

tetradic

#688EF2 #F268D3 #F2CC68 #68F287

square

#688EF2 #F268D3 #F2CC68 #68F287

split-complementary

#688EF2 #F28768 #D3F268

monochromatic

#1246CE #3064ED #688EF2 #A0B8F7 #D9E2FC

Accessibility & contrast

On white

3.12

#688EF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#688EF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EF2

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EF2	#FFFFFF	#000000	##000000
##688EF2	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6399F6

Deuteranopia (green-blind)

#508CF0

Tritanopia (blue-blind)

#00A4B4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688ef2;
/* rgb */ color: rgb(104, 142, 242);
/* oklch */ color: oklch(66.5% 0.155 266.6);

Tailwind

colors: {
  custom: {
    50: '#9daef7',
    500: '#688ef2',
    950: '#000000',
  },
}

SCSS

$custom: #688ef2;
$custom-light: #9daef7;
$custom-dark: #000000;

JSON

{
  "hex": "#688ef2",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 242
  },
  "hsl": {
    "h": 223.478,
    "s": 84.146,
    "l": 67.843
  },
  "oklch": {
    "l": 0.6651,
    "c": 0.15462,
    "h": 266.6
  },
  "luminance": 0.287
}

Semantic roles & 50–950 ramp

primary

#688EF2

secondary

#F0E4C6

accent

#A405E1

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688EF2

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

Preview Lab → · Contrast checker → · Palette generator →