#688DE1#688DE1

#688DE1 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.3% C 0.133 H 265.0°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#688DE1
RGB	rgb(104, 141, 225)
HSL	hsl(222, 67%, 65%)
HSV	hsv(222, 54%, 88%)
CMYK	cmyk(53.8%, 37.3%, 0%, 11.8%)
CIE-LAB	lab(59.37, 11.05, -46.68)
CIE-LCH	lch(59.37, 47.97, 283.32°)
OKLab	oklab(65.34% -0.0116 -0.1321)
OKLCH	oklch(65.34% 0.133 265)
XYZ	xyz(28.8198, 27.4269, 74.9948)
Luminance	0.2743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DE1 #E1BC68

analogous

#68CAE1 #688DE1 #8068E1

triadic

#688DE1 #E1688D #8DE168

tetradic

#688DE1 #E168CA #E1BC68 #68E180

square

#688DE1 #E168CA #E1BC68 #68E180

split-complementary

#688DE1 #E18068 #CAE168

monochromatic

#224CAC #3566D7 #688DE1 #9BB4EB #CEDAF5

Accessibility & contrast

On white

3.24

#688DE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#688DE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DE1

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DE1	#FFFFFF	#000000	##000000
##688DE1	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B95E4

Deuteranopia (green-blind)

#5D8ADF

Tritanopia (blue-blind)

#259FAC

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688de1;
/* rgb */ color: rgb(104, 141, 225);
/* oklch */ color: oklch(65.3% 0.133 265.0);

Tailwind

colors: {
  custom: {
    50: '#9baeeb',
    500: '#688de1',
    950: '#000000',
  },
}

SCSS

$custom: #688de1;
$custom-light: #9baeeb;
$custom-dark: #000000;

JSON

{
  "hex": "#688de1",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 225
  },
  "hsl": {
    "h": 221.653,
    "s": 66.851,
    "l": 64.51
  },
  "oklch": {
    "l": 0.65339,
    "c": 0.13261,
    "h": 265
  },
  "luminance": 0.27429
}

Semantic roles & 50–950 ramp

primary

#688DE1

secondary

#E7DBBE

accent

#9617CF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688DE1

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

Preview Lab → · Contrast checker → · Palette generator →