#688ADE#688ADE

#688ADE is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.132 H 266.1°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#688ADE
RGB	rgb(104, 138, 222)
HSL	hsl(223, 64%, 64%)
HSV	hsv(223, 53%, 87%)
CMYK	cmyk(53.2%, 37.8%, 0%, 12.9%)
CIE-LAB	lab(58.41, 11.88, -46.53)
CIE-LCH	lch(58.41, 48.02, 284.33°)
OKLab	oklab(64.55% -0.0089 -0.1317)
OKLCH	oklch(64.55% 0.132 266.1)
XYZ	xyz(27.9778, 26.3919, 72.7129)
Luminance	0.2639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688ADE #DEBC68

analogous

#68C5DE #688ADE #8168DE

triadic

#688ADE #DE688A #8ADE68

tetradic

#688ADE #DE68C5 #DEBC68 #68DE81

square

#688ADE #DE68C5 #DEBC68 #68DE81

split-complementary

#688ADE #DE8168 #C5DE68

monochromatic

#254AA7 #3663D3 #688ADE #9AB1E9 #CCD8F4

Accessibility & contrast

On white

3.34

#688ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#688ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688ADE

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688ADE	#FFFFFF	#000000	##000000
##688ADE	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6892E1

Deuteranopia (green-blind)

#5A88DC

Tritanopia (blue-blind)

#2B9CA9

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #688ade;
/* rgb */ color: rgb(104, 138, 222);
/* oklch */ color: oklch(64.5% 0.132 266.1);

Tailwind

colors: {
  custom: {
    50: '#9aabe8',
    500: '#688ade',
    950: '#000000',
  },
}

SCSS

$custom: #688ade;
$custom-light: #9aabe8;
$custom-dark: #000000;

JSON

{
  "hex": "#688ade",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 222
  },
  "hsl": {
    "h": 222.712,
    "s": 64.13,
    "l": 63.922
  },
  "oklch": {
    "l": 0.64548,
    "c": 0.13198,
    "h": 266.1
  },
  "luminance": 0.26394
}

Semantic roles & 50–950 ramp

primary

#688ADE

secondary

#E6DABC

accent

#991ACC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688ADE

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

Preview Lab → · Contrast checker → · Palette generator →