#688CFE#688CFE

#688CFE is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.8% C 0.173 H 268.3°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#688CFE
RGB	rgb(104, 140, 254)
HSL	hsl(226, 99%, 70%)
HSV	hsv(226, 59%, 100%)
CMYK	cmyk(59.1%, 44.9%, 0%, 0.4%)
CIE-LAB	lab(60.65, 20.92, -60.67)
CIE-LCH	lch(60.65, 64.17, 289.03°)
OKLab	oklab(66.83% -0.0052 -0.1731)
OKLCH	oklch(66.83% 0.173 268.3)
XYZ	xyz(32.9704, 28.8523, 97.5783)
Luminance	0.2885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CFE #FEDA68

analogous

#68D7FE #688CFE #8F68FE

triadic

#688CFE #FE688C #8CFE68

tetradic

#688CFE #FE68D7 #FEDA68 #68FE8F

square

#688CFE #FE68D7 #FEDA68 #68FE8F

split-complementary

#688CFE #FE8F68 #D7FE68

monochromatic

#0239EA #2B5EFE #688CFE #A5BAFE #E1E8FF

Accessibility & contrast

On white

3.10

#688CFE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#688CFE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CFE

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CFE	#FFFFFF	#000000	##000000
##688CFE	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5699FF

Deuteranopia (green-blind)

#408CFC

Tritanopia (blue-blind)

#00A6B9

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688cfe;
/* rgb */ color: rgb(104, 140, 254);
/* oklch */ color: oklch(66.8% 0.173 268.3);

Tailwind

colors: {
  custom: {
    50: '#9fadff',
    500: '#688cfe',
    950: '#000000',
  },
}

SCSS

$custom: #688cfe;
$custom-light: #9fadff;
$custom-dark: #000000;

JSON

{
  "hex": "#688cfe",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 254
  },
  "hsl": {
    "h": 225.6,
    "s": 98.684,
    "l": 70.196
  },
  "oklch": {
    "l": 0.66829,
    "c": 0.17318,
    "h": 268.3
  },
  "luminance": 0.28855
}

Semantic roles & 50–950 ramp

primary

#688CFE

secondary

#F6ECCC

accent

#AE00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#101018

muted

#7F7F86

Preview Lab

Preview with #688CFE

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

Preview Lab → · Contrast checker → · Palette generator →