#688DF3#688DF3

#688DF3 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.4% C 0.157 H 267.1°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#688DF3
RGB	rgb(104, 141, 243)
HSL	hsl(224, 85%, 68%)
HSV	hsv(224, 57%, 95%)
CMYK	cmyk(57.2%, 42%, 0%, 4.7%)
CIE-LAB	lab(60.30, 16.78, -55.17)
CIE-LCH	lch(60.30, 57.67, 286.91°)
OKLab	oklab(66.37% -0.008 -0.1569)
OKLCH	oklch(66.37% 0.157 267.1)
XYZ	xyz(31.4060, 28.4614, 88.6152)
Luminance	0.2846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DF3 #F3CE68

analogous

#68D2F3 #688DF3 #8868F3

triadic

#688DF3 #F3688D #8DF368

tetradic

#688DF3 #F368D2 #F3CE68 #68F388

square

#688DF3 #F368D2 #F3CE68 #68F388

split-complementary

#688DF3 #F38868 #D2F368

monochromatic

#1144D0 #2F62EE #688DF3 #A1B8F8 #D9E3FC

Accessibility & contrast

On white

3.14

#688DF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#688DF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DF3

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DF3	#FFFFFF	#000000	##000000
##688DF3	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6098F7

Deuteranopia (green-blind)

#4E8CF1

Tritanopia (blue-blind)

#00A4B4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688df3;
/* rgb */ color: rgb(104, 141, 243);
/* oklch */ color: oklch(66.4% 0.157 267.1);

Tailwind

colors: {
  custom: {
    50: '#9dadf7',
    500: '#688df3',
    950: '#000000',
  },
}

SCSS

$custom: #688df3;
$custom-light: #9dadf7;
$custom-dark: #000000;

JSON

{
  "hex": "#688df3",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 243
  },
  "hsl": {
    "h": 224.029,
    "s": 85.276,
    "l": 68.039
  },
  "oklch": {
    "l": 0.66366,
    "c": 0.15715,
    "h": 267.1
  },
  "luminance": 0.28464
}

Semantic roles & 50–950 ramp

primary

#688DF3

secondary

#F1E5C6

accent

#A704E2

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688DF3

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

Preview Lab → · Contrast checker → · Palette generator →