#688CD3#688CD3

#688CD3 is a light, moderate blue. Relative luminance 0.264; OKLCH L 64.4% C 0.115 H 263.1°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#688CD3
RGB	rgb(104, 140, 211)
HSL	hsl(220, 55%, 62%)
HSV	hsv(220, 51%, 83%)
CMYK	cmyk(50.7%, 33.6%, 0%, 17.3%)
CIE-LAB	lab(58.42, 7.28, -40.36)
CIE-LCH	lch(58.42, 41.01, 280.23°)
OKLab	oklab(64.38% -0.0138 -0.1137)
OKLCH	oklch(64.38% 0.115 263.1)
XYZ	xyz(26.8410, 26.4005, 65.2968)
Luminance	0.2640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CD3 #D3AF68

analogous

#68C2D3 #688CD3 #7A68D3

triadic

#688CD3 #D3688C #8CD368

tetradic

#688CD3 #D368C2 #D3AF68 #68D37A

square

#688CD3 #D368C2 #D3AF68 #68D37A

split-complementary

#688CD3 #D37A68 #C2D368

monochromatic

#2B4F95 #3968C5 #688CD3 #97B0E1 #C7D4EF

Accessibility & contrast

On white

3.34

#688CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#688CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CD3

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CD3	#FFFFFF	#000000	##000000
##688CD3	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)

#7192D6

Deuteranopia (green-blind)

#6488D1

Tritanopia (blue-blind)

#369BA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #688cd3;
/* rgb */ color: rgb(104, 140, 211);
/* oklch */ color: oklch(64.4% 0.115 263.1);

Tailwind

colors: {
  custom: {
    50: '#99ade1',
    500: '#688cd3',
    950: '#000000',
  },
}

SCSS

$custom: #688cd3;
$custom-light: #99ade1;
$custom-dark: #000000;

JSON

{
  "hex": "#688cd3",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 211
  },
  "hsl": {
    "h": 219.813,
    "s": 54.872,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64379,
    "c": 0.11451,
    "h": 263.1
  },
  "luminance": 0.26402
}

Semantic roles & 50–950 ramp

primary

#688CD3

secondary

#DFD2B8

accent

#8D23C2

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688CD3

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

Preview Lab → · Contrast checker → · Palette generator →