#688EF5#688EF5

#688EF5 is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.7% C 0.159 H 266.9°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#688EF5
RGB	rgb(104, 142, 245)
HSL	hsl(224, 88%, 68%)
HSV	hsv(224, 58%, 96%)
CMYK	cmyk(57.6%, 42%, 0%, 3.9%)
CIE-LAB	lab(60.67, 16.82, -55.68)
CIE-LCH	lch(60.67, 58.17, 286.81°)
OKLab	oklab(66.69% -0.0087 -0.1584)
OKLCH	oklch(66.69% 0.159 266.9)
XYZ	xyz(31.8578, 28.8791, 90.2639)
Luminance	0.2888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EF5 #F5CF68

analogous

#68D4F5 #688EF5 #8868F5

triadic

#688EF5 #F5688E #8EF568

tetradic

#688EF5 #F568D4 #F5CF68 #68F588

square

#688EF5 #F568D4 #F5CF68 #68F588

split-complementary

#688EF5 #F58868 #D4F568

monochromatic

#0E44D5 #2F63F1 #688EF5 #A1B9F9 #DBE4FD

Accessibility & contrast

On white

3.10

#688EF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#688EF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EF5

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EF5	#FFFFFF	#000000	##000000
##688EF5	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6199F9

Deuteranopia (green-blind)

#4E8CF3

Tritanopia (blue-blind)

#00A5B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688ef5;
/* rgb */ color: rgb(104, 142, 245);
/* oklch */ color: oklch(66.7% 0.159 266.9);

Tailwind

colors: {
  custom: {
    50: '#9daef9',
    500: '#688ef5',
    950: '#000000',
  },
}

SCSS

$custom: #688ef5;
$custom-light: #9daef9;
$custom-dark: #000000;

JSON

{
  "hex": "#688ef5",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 245
  },
  "hsl": {
    "h": 223.83,
    "s": 87.578,
    "l": 68.431
  },
  "oklch": {
    "l": 0.66686,
    "c": 0.15868,
    "h": 266.9
  },
  "luminance": 0.28882
}

Semantic roles & 50–950 ramp

primary

#688EF5

secondary

#F2E6C7

accent

#A701E4

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688EF5

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

Preview Lab → · Contrast checker → · Palette generator →