#688DE0#688DE0

#688DE0 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.3% C 0.131 H 264.8°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#688DE0
RGB	rgb(104, 141, 224)
HSL	hsl(222, 66%, 64%)
HSV	hsv(222, 54%, 88%)
CMYK	cmyk(53.6%, 37.1%, 0%, 12.2%)
CIE-LAB	lab(59.32, 10.73, -46.20)
CIE-LCH	lch(59.32, 47.43, 283.08°)
OKLab	oklab(65.28% -0.0118 -0.1307)
OKLCH	oklch(65.28% 0.131 264.8)
XYZ	xyz(28.6838, 27.3725, 74.2785)
Luminance	0.2737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DE0 #E0BB68

analogous

#68C9E0 #688DE0 #7F68E0

triadic

#688DE0 #E0688D #8DE068

tetradic

#688DE0 #E068C9 #E0BB68 #68E07F

square

#688DE0 #E068C9 #E0BB68 #68E07F

split-complementary

#688DE0 #E07F68 #C9E068

monochromatic

#234DAB #3567D6 #688DE0 #9BB3EA #CEDAF5

Accessibility & contrast

On white

3.24

#688DE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#688DE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DE0

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DE0	#FFFFFF	#000000	##000000
##688DE0	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C95E3

Deuteranopia (green-blind)

#5D8ADE

Tritanopia (blue-blind)

#279FAC

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688de0;
/* rgb */ color: rgb(104, 141, 224);
/* oklch */ color: oklch(65.3% 0.131 264.8);

Tailwind

colors: {
  custom: {
    50: '#9baeea',
    500: '#688de0',
    950: '#000000',
  },
}

SCSS

$custom: #688de0;
$custom-light: #9baeea;
$custom-dark: #000000;

JSON

{
  "hex": "#688de0",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 224
  },
  "hsl": {
    "h": 221.5,
    "s": 65.934,
    "l": 64.314
  },
  "oklch": {
    "l": 0.65284,
    "c": 0.13124,
    "h": 264.8
  },
  "luminance": 0.27375
}

Semantic roles & 50–950 ramp

primary

#688DE0

secondary

#E7DABD

accent

#9618CE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688DE0

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

Preview Lab → · Contrast checker → · Palette generator →