#688CD1#688CD1

#688CD1 is a light, moderate blue. Relative luminance 0.263; OKLCH L 64.3% C 0.112 H 262.6°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#688CD1
RGB	rgb(104, 140, 209)
HSL	hsl(219, 53%, 61%)
HSV	hsv(219, 50%, 82%)
CMYK	cmyk(50.2%, 33%, 0%, 18%)
CIE-LAB	lab(58.32, 6.67, -39.38)
CIE-LCH	lch(58.32, 39.94, 279.61°)
OKLab	oklab(64.28% -0.0143 -0.1108)
OKLCH	oklch(64.28% 0.112 262.6)
XYZ	xyz(26.5918, 26.3008, 63.9846)
Luminance	0.2630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CD1 #D1AD68

analogous

#68C0D1 #688CD1 #7968D1

triadic

#688CD1 #D1688C #8CD168

tetradic

#688CD1 #D168C0 #D1AD68 #68D179

square

#688CD1 #D168C0 #D1AD68 #68D179

split-complementary

#688CD1 #D17968 #C0D168

monochromatic

#2D4F92 #3B69C1 #688CD1 #97B0DF #C6D3EE

Accessibility & contrast

On white

3.35

#688CD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#688CD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CD1

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CD1	#FFFFFF	#000000	##000000
##688CD1	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7192D4

Deuteranopia (green-blind)

#6588D0

Tritanopia (blue-blind)

#389BA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #688cd1;
/* rgb */ color: rgb(104, 140, 209);
/* oklch */ color: oklch(64.3% 0.112 262.6);

Tailwind

colors: {
  custom: {
    50: '#99addf',
    500: '#688cd1',
    950: '#000000',
  },
}

SCSS

$custom: #688cd1;
$custom-light: #99addf;
$custom-dark: #000000;

JSON

{
  "hex": "#688cd1",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 209
  },
  "hsl": {
    "h": 219.429,
    "s": 53.299,
    "l": 61.373
  },
  "oklch": {
    "l": 0.64275,
    "c": 0.11176,
    "h": 262.6
  },
  "luminance": 0.26303
}

Semantic roles & 50–950 ramp

primary

#688CD1

secondary

#DED1B7

accent

#8B25C1

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688CD1

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

Preview Lab → · Contrast checker → · Palette generator →