#688EF3#688EF3

#688EF3 is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.6% C 0.156 H 266.7°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#688EF3
RGB	rgb(104, 142, 243)
HSL	hsl(224, 85%, 68%)
HSV	hsv(224, 57%, 95%)
CMYK	cmyk(57.2%, 41.6%, 0%, 4.7%)
CIE-LAB	lab(60.57, 16.18, -54.75)
CIE-LCH	lch(60.57, 57.09, 286.46°)
OKLab	oklab(66.57% -0.0091 -0.1557)
OKLCH	oklch(66.57% 0.156 266.7)
XYZ	xyz(31.5541, 28.7576, 88.6646)
Luminance	0.2876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EF3 #F3CD68

analogous

#68D3F3 #688EF3 #8768F3

triadic

#688EF3 #F3688E #8EF368

tetradic

#688EF3 #F368D3 #F3CD68 #68F387

square

#688EF3 #F368D3 #F3CD68 #68F387

split-complementary

#688EF3 #F38768 #D3F368

monochromatic

#1145D0 #2F64EE #688EF3 #A1B8F8 #D9E3FC

Accessibility & contrast

On white

3.11

#688EF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#688EF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EF3

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EF3	#FFFFFF	#000000	##000000
##688EF3	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6299F7

Deuteranopia (green-blind)

#508CF1

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688ef3;
/* rgb */ color: rgb(104, 142, 243);
/* oklch */ color: oklch(66.6% 0.156 266.7);

Tailwind

colors: {
  custom: {
    50: '#9daef7',
    500: '#688ef3',
    950: '#000000',
  },
}

SCSS

$custom: #688ef3;
$custom-light: #9daef7;
$custom-dark: #000000;

JSON

{
  "hex": "#688ef3",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 243
  },
  "hsl": {
    "h": 223.597,
    "s": 85.276,
    "l": 68.039
  },
  "oklch": {
    "l": 0.66568,
    "c": 0.15597,
    "h": 266.7
  },
  "luminance": 0.2876
}

Semantic roles & 50–950 ramp

primary

#688EF3

secondary

#F1E5C6

accent

#A504E2

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688EF3

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

Preview Lab → · Contrast checker → · Palette generator →