#688BF4#688BF4

#688BF4 is a light, vivid blue. Relative luminance 0.279; OKLCH L 66.0% C 0.161 H 267.9°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#688BF4
RGB	rgb(104, 139, 244)
HSL	hsl(225, 86%, 68%)
HSV	hsv(225, 57%, 96%)
CMYK	cmyk(57.4%, 43%, 0%, 4.3%)
CIE-LAB	lab(59.83, 18.29, -56.47)
CIE-LCH	lch(59.83, 59.36, 287.94°)
OKLab	oklab(66.02% -0.0058 -0.1608)
OKLCH	oklch(66.02% 0.161 267.9)
XYZ	xyz(31.2652, 27.9375, 89.3153)
Luminance	0.2794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BF4 #F4D168

analogous

#68D1F4 #688BF4 #8B68F4

triadic

#688BF4 #F4688B #8BF468

tetradic

#688BF4 #F468D1 #F4D168 #68F48B

square

#688BF4 #F468D1 #F4D168 #68F48B

split-complementary

#688BF4 #F48B68 #D1F468

monochromatic

#0F40D2 #2F5FF0 #688BF4 #A1B7F8 #DAE3FC

Accessibility & contrast

On white

3.19

#688BF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#688BF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BF4

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BF4	#FFFFFF	#000000	##000000
##688BF4	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C97F8

Deuteranopia (green-blind)

#498AF2

Tritanopia (blue-blind)

#00A2B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #688bf4;
/* rgb */ color: rgb(104, 139, 244);
/* oklch */ color: oklch(66.0% 0.161 267.9);

Tailwind

colors: {
  custom: {
    50: '#9dacf8',
    500: '#688bf4',
    950: '#000000',
  },
}

SCSS

$custom: #688bf4;
$custom-light: #9dacf8;
$custom-dark: #000000;

JSON

{
  "hex": "#688bf4",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 244
  },
  "hsl": {
    "h": 225,
    "s": 86.42,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66022,
    "c": 0.1609,
    "h": 267.9
  },
  "luminance": 0.2794
}

Semantic roles & 50–950 ramp

primary

#688BF4

secondary

#F1E7C7

accent

#AB03E3

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688BF4

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

Preview Lab → · Contrast checker → · Palette generator →