#688CDC#688CDC

#688CDC is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.9% C 0.127 H 264.8°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#688CDC
RGB	rgb(104, 140, 220)
HSL	hsl(221, 62%, 64%)
HSV	hsv(221, 53%, 86%)
CMYK	cmyk(52.7%, 36.4%, 0%, 13.7%)
CIE-LAB	lab(58.85, 10.07, -44.71)
CIE-LCH	lch(58.85, 45.83, 282.70°)
OKLab	oklab(64.86% -0.0116 -0.1264)
OKLCH	oklch(64.86% 0.127 264.8)
XYZ	xyz(28.0010, 26.8645, 71.4061)
Luminance	0.2687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CDC #DCB868

analogous

#68C6DC #688CDC #7E68DC

triadic

#688CDC #DC688C #8CDC68

tetradic

#688CDC #DC68C6 #DCB868 #68DC7E

square

#688CDC #DC68C6 #DCB868 #68DC7E

split-complementary

#688CDC #DC7E68 #C6DC68

monochromatic

#264DA4 #3666D0 #688CDC #9AB2E8 #CBD8F3

Accessibility & contrast

On white

3.29

#688CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#688CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CDC

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CDC	#FFFFFF	#000000	##000000
##688CDC	1.00	3.29	6.37	6.37
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C93DF

Deuteranopia (green-blind)

#5F89DA

Tritanopia (blue-blind)

#2D9DAA

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688cdc;
/* rgb */ color: rgb(104, 140, 220);
/* oklch */ color: oklch(64.9% 0.127 264.8);

Tailwind

colors: {
  custom: {
    50: '#9aade7',
    500: '#688cdc',
    950: '#000000',
  },
}

SCSS

$custom: #688cdc;
$custom-light: #9aade7;
$custom-dark: #000000;

JSON

{
  "hex": "#688cdc",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 220
  },
  "hsl": {
    "h": 221.379,
    "s": 62.366,
    "l": 63.529
  },
  "oklch": {
    "l": 0.64857,
    "c": 0.12689,
    "h": 264.8
  },
  "luminance": 0.26867
}

Semantic roles & 50–950 ramp

primary

#688CDC

secondary

#E4D8BB

accent

#941BCA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688CDC

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

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