#688CF3#688CF3

#688CF3 is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.2% C 0.158 H 267.5°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#688CF3
RGB	rgb(104, 140, 243)
HSL	hsl(224, 85%, 68%)
HSV	hsv(224, 57%, 95%)
CMYK	cmyk(57.2%, 42.4%, 0%, 4.7%)
CIE-LAB	lab(60.04, 17.37, -55.59)
CIE-LCH	lch(60.04, 58.24, 287.35°)
OKLab	oklab(66.16% -0.007 -0.1582)
OKLCH	oklch(66.16% 0.158 267.5)
XYZ	xyz(31.2592, 28.1678, 88.5663)
Luminance	0.2817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CF3 #F3CF68

analogous

#68D2F3 #688CF3 #8968F3

triadic

#688CF3 #F3688C #8CF368

tetradic

#688CF3 #F368D2 #F3CF68 #68F389

square

#688CF3 #F368D2 #F3CF68 #68F389

split-complementary

#688CF3 #F38968 #D2F368

monochromatic

#1142D0 #2F61EE #688CF3 #A1B7F8 #D9E2FC

Accessibility & contrast

On white

3.17

#688CF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#688CF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CF3

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CF3	#FFFFFF	#000000	##000000
##688CF3	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)

#5F97F7

Deuteranopia (green-blind)

#4C8BF1

Tritanopia (blue-blind)

#00A3B4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688cf3;
/* rgb */ color: rgb(104, 140, 243);
/* oklch */ color: oklch(66.2% 0.158 267.5);

Tailwind

colors: {
  custom: {
    50: '#9dadf7',
    500: '#688cf3',
    950: '#000000',
  },
}

SCSS

$custom: #688cf3;
$custom-light: #9dadf7;
$custom-dark: #000000;

JSON

{
  "hex": "#688cf3",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 243
  },
  "hsl": {
    "h": 224.46,
    "s": 85.276,
    "l": 68.039
  },
  "oklch": {
    "l": 0.66163,
    "c": 0.15835,
    "h": 267.5
  },
  "luminance": 0.2817
}

Semantic roles & 50–950 ramp

primary

#688CF3

secondary

#F1E6C6

accent

#A804E2

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688CF3

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

Preview Lab → · Contrast checker → · Palette generator →