#688CE5#688CE5

#688CE5 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.4% C 0.139 H 266.0°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#688CE5
RGB	rgb(104, 140, 229)
HSL	hsl(223, 71%, 65%)
HSV	hsv(223, 55%, 90%)
CMYK	cmyk(54.6%, 38.9%, 0%, 10.2%)
CIE-LAB	lab(59.30, 12.90, -49.01)
CIE-LCH	lch(59.30, 50.68, 284.75°)
OKLab	oklab(65.35% -0.0096 -0.1389)
OKLCH	oklch(65.35% 0.139 266)
XYZ	xyz(29.2251, 27.3542, 77.8534)
Luminance	0.2736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CE5 #E5C168

analogous

#68CAE5 #688CE5 #8268E5

triadic

#688CE5 #E5688C #8CE568

tetradic

#688CE5 #E568CA #E5C168 #68E582

square

#688CE5 #E568CA #E5C168 #68E582

split-complementary

#688CE5 #E58268 #CAE568

monochromatic

#1F4AB4 #3464DC #688CE5 #9CB4EE #D0DCF7

Accessibility & contrast

On white

3.25

#688CE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#688CE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CE5

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CE5	#FFFFFF	#000000	##000000
##688CE5	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6795E9

Deuteranopia (green-blind)

#588AE3

Tritanopia (blue-blind)

#1F9FAD

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688ce5;
/* rgb */ color: rgb(104, 140, 229);
/* oklch */ color: oklch(65.4% 0.139 266.0);

Tailwind

colors: {
  custom: {
    50: '#9baded',
    500: '#688ce5',
    950: '#000000',
  },
}

SCSS

$custom: #688ce5;
$custom-light: #9baded;
$custom-dark: #000000;

JSON

{
  "hex": "#688ce5",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 229
  },
  "hsl": {
    "h": 222.72,
    "s": 70.621,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65354,
    "c": 0.13925,
    "h": 266
  },
  "luminance": 0.27356
}

Semantic roles & 50–950 ramp

primary

#688CE5

secondary

#E9DDBF

accent

#9B13D3

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688CE5

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

Preview Lab → · Contrast checker → · Palette generator →