#688DFB#688DFB

#688DFB is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.8% C 0.168 H 267.7°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#688DFB
RGB	rgb(104, 141, 251)
HSL	hsl(225, 95%, 70%)
HSV	hsv(225, 59%, 98%)
CMYK	cmyk(58.6%, 43.8%, 0%, 1.6%)
CIE-LAB	lab(60.74, 19.36, -58.87)
CIE-LCH	lch(60.74, 61.98, 288.20°)
OKLab	oklab(66.85% -0.0067 -0.1678)
OKLCH	oklch(66.85% 0.168 267.7)
XYZ	xyz(32.6405, 28.9552, 95.1169)
Luminance	0.2896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DFB #FBD668

analogous

#68D7FB #688DFB #8D68FB

triadic

#688DFB #FB688D #8DFB68

tetradic

#688DFB #FB68D7 #FBD668 #68FB8D

square

#688DFB #FB68D7 #FBD668 #68FB8D

split-complementary

#688DFB #FB8D68 #D7FB68

monochromatic

#063EE3 #2C60F9 #688DFB #A4BAFD #DFE7FE

Accessibility & contrast

On white

3.09

#688DFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#688DFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DFB

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DFB	#FFFFFF	#000000	##000000
##688DFB	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B9AFF

Deuteranopia (green-blind)

#458CF9

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688dfb;
/* rgb */ color: rgb(104, 141, 251);
/* oklch */ color: oklch(66.8% 0.168 267.7);

Tailwind

colors: {
  custom: {
    50: '#9eadfd',
    500: '#688dfb',
    950: '#000000',
  },
}

SCSS

$custom: #688dfb;
$custom-light: #9eadfd;
$custom-dark: #000000;

JSON

{
  "hex": "#688dfb",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 251
  },
  "hsl": {
    "h": 224.898,
    "s": 94.839,
    "l": 69.608
  },
  "oklch": {
    "l": 0.66845,
    "c": 0.16795,
    "h": 267.7
  },
  "luminance": 0.28958
}

Semantic roles & 50–950 ramp

primary

#688DFB

secondary

#F4EACA

accent

#AC00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #688DFB

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

Preview Lab → · Contrast checker → · Palette generator →