#688EE5#688EE5

#688EE5 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.8% C 0.137 H 265.0°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#688EE5
RGB	rgb(104, 142, 229)
HSL	hsl(222, 71%, 65%)
HSV	hsv(222, 55%, 90%)
CMYK	cmyk(54.6%, 38%, 0%, 10.2%)
CIE-LAB	lab(59.84, 11.72, -48.16)
CIE-LCH	lch(59.84, 49.57, 283.68°)
OKLab	oklab(65.77% -0.0118 -0.1364)
OKLCH	oklch(65.77% 0.137 265)
XYZ	xyz(29.5200, 27.9440, 77.9517)
Luminance	0.2795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EE5 #E5BF68

analogous

#68CCE5 #688EE5 #8068E5

triadic

#688EE5 #E5688E #8EE568

tetradic

#688EE5 #E568CC #E5BF68 #68E580

square

#688EE5 #E568CC #E5BF68 #68E580

split-complementary

#688EE5 #E58068 #CCE568

monochromatic

#1F4CB4 #3467DC #688EE5 #9CB5EE #D0DCF7

Accessibility & contrast

On white

3.19

#688EE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#688EE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EE5

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EE5	#FFFFFF	#000000	##000000
##688EE5	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A96E8

Deuteranopia (green-blind)

#5B8BE3

Tritanopia (blue-blind)

#1EA1AE

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #688ee5;
/* rgb */ color: rgb(104, 142, 229);
/* oklch */ color: oklch(65.8% 0.137 265.0);

Tailwind

colors: {
  custom: {
    50: '#9baeed',
    500: '#688ee5',
    950: '#000000',
  },
}

SCSS

$custom: #688ee5;
$custom-light: #9baeed;
$custom-dark: #000000;

JSON

{
  "hex": "#688ee5",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 229
  },
  "hsl": {
    "h": 221.76,
    "s": 70.621,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65769,
    "c": 0.13693,
    "h": 265
  },
  "luminance": 0.27946
}

Semantic roles & 50–950 ramp

primary

#688EE5

secondary

#E9DDBF

accent

#9813D3

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688EE5

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

Preview Lab → · Contrast checker → · Palette generator →