#688CD4#688CD4

#688CD4 is a light, moderate blue. Relative luminance 0.265; OKLCH L 64.4% C 0.116 H 263.3°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#688CD4
RGB	rgb(104, 140, 212)
HSL	hsl(220, 56%, 62%)
HSV	hsv(220, 51%, 83%)
CMYK	cmyk(50.9%, 34%, 0%, 16.9%)
CIE-LAB	lab(58.46, 7.59, -40.84)
CIE-LCH	lch(58.46, 41.54, 280.53°)
OKLab	oklab(64.43% -0.0135 -0.1151)
OKLCH	oklch(64.43% 0.116 263.3)
XYZ	xyz(26.9667, 26.4508, 65.9591)
Luminance	0.2645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CD4 #D4B068

analogous

#68C2D4 #688CD4 #7A68D4

triadic

#688CD4 #D4688C #8CD468

tetradic

#688CD4 #D468C2 #D4B068 #68D47A

square

#688CD4 #D468C2 #D4B068 #68D47A

split-complementary

#688CD4 #D47A68 #C2D468

monochromatic

#2B4F97 #3868C6 #688CD4 #98B0E2 #C7D5EF

Accessibility & contrast

On white

3.34

#688CD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#688CD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CD4

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CD4	#FFFFFF	#000000	##000000
##688CD4	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7092D7

Deuteranopia (green-blind)

#6488D2

Tritanopia (blue-blind)

#359CA6

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688cd4;
/* rgb */ color: rgb(104, 140, 212);
/* oklch */ color: oklch(64.4% 0.116 263.3);

Tailwind

colors: {
  custom: {
    50: '#99ade1',
    500: '#688cd4',
    950: '#000000',
  },
}

SCSS

$custom: #688cd4;
$custom-light: #99ade1;
$custom-dark: #000000;

JSON

{
  "hex": "#688cd4",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 212
  },
  "hsl": {
    "h": 220,
    "s": 55.67,
    "l": 61.961
  },
  "oklch": {
    "l": 0.64431,
    "c": 0.11588,
    "h": 263.3
  },
  "luminance": 0.26453
}

Semantic roles & 50–950 ramp

primary

#688CD4

secondary

#E0D3B8

accent

#8E22C3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688CD4

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

Preview Lab → · Contrast checker → · Palette generator →