#688DDC#688DDC

#688DDC is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.1% C 0.126 H 264.2°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#688DDC
RGB	rgb(104, 141, 220)
HSL	hsl(221, 62%, 64%)
HSV	hsv(221, 53%, 86%)
CMYK	cmyk(52.7%, 35.9%, 0%, 13.7%)
CIE-LAB	lab(59.12, 9.48, -44.28)
CIE-LCH	lch(59.12, 45.29, 282.09°)
OKLab	oklab(65.07% -0.0127 -0.1251)
OKLCH	oklch(65.07% 0.126 264.2)
XYZ	xyz(28.1477, 27.1581, 71.4550)
Luminance	0.2716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DDC #DCB768

analogous

#68C7DC #688DDC #7D68DC

triadic

#688DDC #DC688D #8DDC68

tetradic

#688DDC #DC68C7 #DCB768 #68DC7D

square

#688DDC #DC68C7 #DCB768 #68DC7D

split-complementary

#688DDC #DC7D68 #C7DC68

monochromatic

#264EA4 #3667D0 #688DDC #9AB3E8 #CBD8F3

Accessibility & contrast

On white

3.26

#688DDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#688DDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DDC

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DDC	#FFFFFF	#000000	##000000
##688DDC	1.00	3.26	6.43	6.43
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DF

Deuteranopia (green-blind)

#6089DA

Tritanopia (blue-blind)

#2C9EAA

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688ddc;
/* rgb */ color: rgb(104, 141, 220);
/* oklch */ color: oklch(65.1% 0.126 264.2);

Tailwind

colors: {
  custom: {
    50: '#9aaee7',
    500: '#688ddc',
    950: '#000000',
  },
}

SCSS

$custom: #688ddc;
$custom-light: #9aaee7;
$custom-dark: #000000;

JSON

{
  "hex": "#688ddc",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 220
  },
  "hsl": {
    "h": 220.862,
    "s": 62.366,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65067,
    "c": 0.12576,
    "h": 264.2
  },
  "luminance": 0.2716
}

Semantic roles & 50–950 ramp

primary

#688DDC

secondary

#E4D7BB

accent

#921BCA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688DDC

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

Preview Lab → · Contrast checker → · Palette generator →