#688BFB#688BFB

#688BFB is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.4% C 0.170 H 268.4°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#688BFB
RGB	rgb(104, 139, 251)
HSL	hsl(226, 95%, 70%)
HSV	hsv(226, 59%, 98%)
CMYK	cmyk(58.6%, 44.6%, 0%, 1.6%)
CIE-LAB	lab(60.22, 20.55, -59.71)
CIE-LCH	lch(60.22, 63.14, 288.99°)
OKLab	oklab(66.45% -0.0046 -0.1703)
OKLCH	oklch(66.45% 0.17 268.4)
XYZ	xyz(32.3483, 28.3707, 95.0195)
Luminance	0.2837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BFB #FBD868

analogous

#68D5FB #688BFB #8E68FB

triadic

#688BFB #FB688B #8BFB68

tetradic

#688BFB #FB68D5 #FBD868 #68FB8E

square

#688BFB #FB68D5 #FBD868 #68FB8E

split-complementary

#688BFB #FB8E68 #D5FB68

monochromatic

#063BE3 #2C5DF9 #688BFB #A4B9FD #DFE7FE

Accessibility & contrast

On white

3.15

#688BFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#688BFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BFB

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BFB	#FFFFFF	#000000	##000000
##688BFB	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5798FF

Deuteranopia (green-blind)

#418BF9

Tritanopia (blue-blind)

#00A4B7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688bfb;
/* rgb */ color: rgb(104, 139, 251);
/* oklch */ color: oklch(66.4% 0.170 268.4);

Tailwind

colors: {
  custom: {
    50: '#9eacfd',
    500: '#688bfb',
    950: '#000000',
  },
}

SCSS

$custom: #688bfb;
$custom-light: #9eacfd;
$custom-dark: #000000;

JSON

{
  "hex": "#688bfb",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 251
  },
  "hsl": {
    "h": 225.714,
    "s": 94.839,
    "l": 69.608
  },
  "oklch": {
    "l": 0.66447,
    "c": 0.17034,
    "h": 268.4
  },
  "luminance": 0.28373
}

Semantic roles & 50–950 ramp

primary

#688BFB

secondary

#F4EACA

accent

#AF00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #688BFB

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

Preview Lab → · Contrast checker → · Palette generator →