#688EF9#688EF9

#688EF9 is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.9% C 0.164 H 267.2°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#688EF9
RGB	rgb(104, 142, 249)
HSL	hsl(224, 92%, 69%)
HSV	hsv(224, 58%, 98%)
CMYK	cmyk(58.2%, 43%, 0%, 2.4%)
CIE-LAB	lab(60.89, 18.11, -57.54)
CIE-LCH	lch(60.89, 60.32, 287.48°)
OKLab	oklab(66.92% -0.008 -0.1639)
OKLCH	oklch(66.92% 0.164 267.2)
XYZ	xyz(32.4750, 29.1260, 93.5147)
Luminance	0.2913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EF9 #F9D368

analogous

#68D7F9 #688EF9 #8B68F9

triadic

#688EF9 #F9688E #8EF968

tetradic

#688EF9 #F968D7 #F9D368 #68F98B

square

#688EF9 #F968D7 #F9D368 #68F98B

split-complementary

#688EF9 #F98B68 #D7F968

monochromatic

#0941DE #2D62F7 #688EF9 #A3BAFB #DEE6FE

Accessibility & contrast

On white

3.08

#688EF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#688EF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EF9

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EF9	#FFFFFF	#000000	##000000
##688EF9	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E9AFD

Deuteranopia (green-blind)

#4A8DF7

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #688ef9;
/* rgb */ color: rgb(104, 142, 249);
/* oklch */ color: oklch(66.9% 0.164 267.2);

Tailwind

colors: {
  custom: {
    50: '#9eaefc',
    500: '#688ef9',
    950: '#000000',
  },
}

SCSS

$custom: #688ef9;
$custom-light: #9eaefc;
$custom-dark: #000000;

JSON

{
  "hex": "#688ef9",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 249
  },
  "hsl": {
    "h": 224.276,
    "s": 92.357,
    "l": 69.216
  },
  "oklch": {
    "l": 0.66924,
    "c": 0.16408,
    "h": 267.2
  },
  "luminance": 0.29129
}

Semantic roles & 50–950 ramp

primary

#688EF9

secondary

#F3E8C9

accent

#A900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688EF9

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

Preview Lab → · Contrast checker → · Palette generator →