#688CD0#688CD0

#688CD0 is a light, moderate blue. Relative luminance 0.263; OKLCH L 64.2% C 0.110 H 262.4°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#688CD0
RGB	rgb(104, 140, 208)
HSL	hsl(219, 53%, 61%)
HSV	hsv(219, 50%, 82%)
CMYK	cmyk(50%, 32.7%, 0%, 18.4%)
CIE-LAB	lab(58.27, 6.36, -38.89)
CIE-LCH	lch(58.27, 39.41, 279.29°)
OKLab	oklab(64.22% -0.0146 -0.1094)
OKLCH	oklch(64.22% 0.11 262.4)
XYZ	xyz(26.4684, 26.2515, 63.3346)
Luminance	0.2625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CD0 #D0AC68

analogous

#68C0D0 #688CD0 #7868D0

triadic

#688CD0 #D0688C #8CD068

tetradic

#688CD0 #D068C0 #D0AC68 #68D078

square

#688CD0 #D068C0 #D0AC68 #68D078

split-complementary

#688CD0 #D07868 #C0D068

monochromatic

#2D4F91 #3C69BF #688CD0 #97B0DF #C5D3ED

Accessibility & contrast

On white

3.36

#688CD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#688CD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CD0

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CD0	#FFFFFF	#000000	##000000
##688CD0	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7291D3

Deuteranopia (green-blind)

#6688CF

Tritanopia (blue-blind)

#399BA4

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #688cd0;
/* rgb */ color: rgb(104, 140, 208);
/* oklch */ color: oklch(64.2% 0.110 262.4);

Tailwind

colors: {
  custom: {
    50: '#99adde',
    500: '#688cd0',
    950: '#000000',
  },
}

SCSS

$custom: #688cd0;
$custom-light: #99adde;
$custom-dark: #000000;

JSON

{
  "hex": "#688cd0",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 208
  },
  "hsl": {
    "h": 219.231,
    "s": 52.525,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64223,
    "c": 0.11039,
    "h": 262.4
  },
  "luminance": 0.26253
}

Semantic roles & 50–950 ramp

primary

#688CD0

secondary

#DDD0B6

accent

#8B26C0

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688CD0

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

Preview Lab → · Contrast checker → · Palette generator →