#688BD8#688BD8

#688BD8 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.4% C 0.123 H 264.7°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#688BD8
RGB	rgb(104, 139, 216)
HSL	hsl(221, 59%, 63%)
HSV	hsv(221, 52%, 85%)
CMYK	cmyk(51.9%, 35.6%, 0%, 15.3%)
CIE-LAB	lab(58.38, 9.42, -43.21)
CIE-LCH	lch(58.38, 44.23, 282.29°)
OKLab	oklab(64.43% -0.0114 -0.122)
OKLCH	oklch(64.43% 0.123 264.7)
XYZ	xyz(27.3321, 26.3642, 68.6010)
Luminance	0.2637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BD8 #D8B568

analogous

#68C3D8 #688BD8 #7D68D8

triadic

#688BD8 #D8688B #8BD868

tetradic

#688BD8 #D868C3 #D8B568 #68D87D

square

#688BD8 #D868C3 #D8B568 #68D87D

split-complementary

#688BD8 #D87D68 #C3D868

monochromatic

#294D9D #3766CB #688BD8 #99B0E5 #C9D6F1

Accessibility & contrast

On white

3.35

#688BD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#688BD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BD8

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BD8	#FFFFFF	#000000	##000000
##688BD8	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D92DB

Deuteranopia (green-blind)

#6088D6

Tritanopia (blue-blind)

#319CA7

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #688bd8;
/* rgb */ color: rgb(104, 139, 216);
/* oklch */ color: oklch(64.4% 0.123 264.7);

Tailwind

colors: {
  custom: {
    50: '#9aace4',
    500: '#688bd8',
    950: '#000000',
  },
}

SCSS

$custom: #688bd8;
$custom-light: #9aace4;
$custom-dark: #000000;

JSON

{
  "hex": "#688bd8",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 216
  },
  "hsl": {
    "h": 221.25,
    "s": 58.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.6443,
    "c": 0.12253,
    "h": 264.7
  },
  "luminance": 0.26366
}

Semantic roles & 50–950 ramp

primary

#688BD8

secondary

#E2D5BA

accent

#921FC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #688BD8

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

Preview Lab → · Contrast checker → · Palette generator →