#688CDE#688CDE

#688CDE is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.0% C 0.130 H 265.1°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#688CDE
RGB	rgb(104, 140, 222)
HSL	hsl(222, 64%, 64%)
HSV	hsv(222, 53%, 87%)
CMYK	cmyk(53.2%, 36.9%, 0%, 12.9%)
CIE-LAB	lab(58.95, 10.70, -45.67)
CIE-LCH	lch(58.95, 46.91, 283.18°)
OKLab	oklab(64.97% -0.0111 -0.1292)
OKLCH	oklch(64.97% 0.13 265.1)
XYZ	xyz(28.2674, 26.9711, 72.8094)
Luminance	0.2697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CDE #DEBA68

analogous

#68C7DE #688CDE #7F68DE

triadic

#688CDE #DE688C #8CDE68

tetradic

#688CDE #DE68C7 #DEBA68 #68DE7F

square

#688CDE #DE68C7 #DEBA68 #68DE7F

split-complementary

#688CDE #DE7F68 #C7DE68

monochromatic

#254CA7 #3666D3 #688CDE #9AB2E9 #CCD9F4

Accessibility & contrast

On white

3.28

#688CDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#688CDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CDE

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CDE	#FFFFFF	#000000	##000000
##688CDE	1.00	3.28	6.39	6.39
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B94E1

Deuteranopia (green-blind)

#5D89DC

Tritanopia (blue-blind)

#2A9EAA

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688cde;
/* rgb */ color: rgb(104, 140, 222);
/* oklch */ color: oklch(65.0% 0.130 265.1);

Tailwind

colors: {
  custom: {
    50: '#9aade8',
    500: '#688cde',
    950: '#000000',
  },
}

SCSS

$custom: #688cde;
$custom-light: #9aade8;
$custom-dark: #000000;

JSON

{
  "hex": "#688cde",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 222
  },
  "hsl": {
    "h": 221.695,
    "s": 64.13,
    "l": 63.922
  },
  "oklch": {
    "l": 0.64966,
    "c": 0.12965,
    "h": 265.1
  },
  "luminance": 0.26973
}

Semantic roles & 50–950 ramp

primary

#688CDE

secondary

#E6D9BC

accent

#961ACC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688CDE

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

Preview Lab → · Contrast checker → · Palette generator →