#688CD5#688CD5

#688CD5 is a light, moderate blue. Relative luminance 0.265; OKLCH L 64.5% C 0.117 H 263.5°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#688CD5
RGB	rgb(104, 140, 213)
HSL	hsl(220, 56%, 62%)
HSV	hsv(220, 51%, 84%)
CMYK	cmyk(51.2%, 34.3%, 0%, 16.5%)
CIE-LAB	lab(58.51, 7.90, -41.33)
CIE-LCH	lch(58.51, 42.08, 280.82°)
OKLab	oklab(64.48% -0.0133 -0.1165)
OKLCH	oklch(64.48% 0.117 263.5)
XYZ	xyz(27.0932, 26.5014, 66.6255)
Luminance	0.2650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CD5 #D5B168

analogous

#68C3D5 #688CD5 #7A68D5

triadic

#688CD5 #D5688C #8CD568

tetradic

#688CD5 #D568C3 #D5B168 #68D57A

square

#688CD5 #D568C3 #D5B168 #68D57A

split-complementary

#688CD5 #D57A68 #C3D568

monochromatic

#2A4F98 #3868C8 #688CD5 #98B0E2 #C8D5F0

Accessibility & contrast

On white

3.33

#688CD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#688CD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CD5

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CD5	#FFFFFF	#000000	##000000
##688CD5	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7092D8

Deuteranopia (green-blind)

#6388D3

Tritanopia (blue-blind)

#349CA7

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688cd5;
/* rgb */ color: rgb(104, 140, 213);
/* oklch */ color: oklch(64.5% 0.117 263.5);

Tailwind

colors: {
  custom: {
    50: '#99ade2',
    500: '#688cd5',
    950: '#000000',
  },
}

SCSS

$custom: #688cd5;
$custom-light: #99ade2;
$custom-dark: #000000;

JSON

{
  "hex": "#688cd5",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 213
  },
  "hsl": {
    "h": 220.183,
    "s": 56.477,
    "l": 62.157
  },
  "oklch": {
    "l": 0.64483,
    "c": 0.11727,
    "h": 263.5
  },
  "luminance": 0.26503
}

Semantic roles & 50–950 ramp

primary

#688CD5

secondary

#E0D3B8

accent

#8E21C4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688CD5

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

Preview Lab → · Contrast checker → · Palette generator →