#688BD3#688BD3

#688BD3 is a light, moderate blue. Relative luminance 0.261; OKLCH L 64.2% C 0.116 H 263.7°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#688BD3
RGB	rgb(104, 139, 211)
HSL	hsl(220, 55%, 62%)
HSV	hsv(220, 51%, 83%)
CMYK	cmyk(50.7%, 34.1%, 0%, 17.3%)
CIE-LAB	lab(58.14, 7.87, -40.79)
CIE-LCH	lch(58.14, 41.54, 280.92°)
OKLab	oklab(64.17% -0.0126 -0.1149)
OKLCH	oklch(64.17% 0.116 263.7)
XYZ	xyz(26.6955, 26.1096, 65.2483)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BD3 #D3B068

analogous

#68C1D3 #688BD3 #7B68D3

triadic

#688BD3 #D3688B #8BD368

tetradic

#688BD3 #D368C1 #D3B068 #68D37B

square

#688BD3 #D368C1 #D3B068 #68D37B

split-complementary

#688BD3 #D37B68 #C1D368

monochromatic

#2B4E95 #3967C5 #688BD3 #97AFE1 #C7D4EF

Accessibility & contrast

On white

3.38

#688BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#688BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BD3

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BD3	#FFFFFF	#000000	##000000
##688BD3	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F91D6

Deuteranopia (green-blind)

#6387D1

Tritanopia (blue-blind)

#369BA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #688bd3;
/* rgb */ color: rgb(104, 139, 211);
/* oklch */ color: oklch(64.2% 0.116 263.7);

Tailwind

colors: {
  custom: {
    50: '#99ace1',
    500: '#688bd3',
    950: '#000000',
  },
}

SCSS

$custom: #688bd3;
$custom-light: #99ace1;
$custom-dark: #000000;

JSON

{
  "hex": "#688bd3",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 211
  },
  "hsl": {
    "h": 220.374,
    "s": 54.872,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64165,
    "c": 0.11563,
    "h": 263.7
  },
  "luminance": 0.26111
}

Semantic roles & 50–950 ramp

primary

#688BD3

secondary

#DFD2B8

accent

#8E23C2

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688BD3

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

Preview Lab → · Contrast checker → · Palette generator →