#688DD3#688DD3

#688DD3 is a light, moderate blue. Relative luminance 0.267; OKLCH L 64.6% C 0.113 H 262.4°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#688DD3
RGB	rgb(104, 141, 211)
HSL	hsl(219, 55%, 62%)
HSV	hsv(219, 51%, 83%)
CMYK	cmyk(50.7%, 33.2%, 0%, 17.3%)
CIE-LAB	lab(58.69, 6.69, -39.92)
CIE-LCH	lch(58.69, 40.48, 279.52°)
OKLab	oklab(64.59% -0.015 -0.1124)
OKLCH	oklch(64.59% 0.113 262.4)
XYZ	xyz(26.9877, 26.6941, 65.3457)
Luminance	0.2670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DD3 #D3AE68

analogous

#68C3D3 #688DD3 #7968D3

triadic

#688DD3 #D3688D #8DD368

tetradic

#688DD3 #D368C3 #D3AE68 #68D379

square

#688DD3 #D368C3 #D3AE68 #68D379

split-complementary

#688DD3 #D37968 #C3D368

monochromatic

#2B5095 #3969C5 #688DD3 #97B1E1 #C7D5EF

Accessibility & contrast

On white

3.31

#688DD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#688DD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DD3

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DD3	#FFFFFF	#000000	##000000
##688DD3	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7293D6

Deuteranopia (green-blind)

#6689D1

Tritanopia (blue-blind)

#369CA6

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688dd3;
/* rgb */ color: rgb(104, 141, 211);
/* oklch */ color: oklch(64.6% 0.113 262.4);

Tailwind

colors: {
  custom: {
    50: '#99aee1',
    500: '#688dd3',
    950: '#000000',
  },
}

SCSS

$custom: #688dd3;
$custom-light: #99aee1;
$custom-dark: #000000;

JSON

{
  "hex": "#688dd3",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 211
  },
  "hsl": {
    "h": 219.252,
    "s": 54.872,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64592,
    "c": 0.11341,
    "h": 262.4
  },
  "luminance": 0.26696
}

Semantic roles & 50–950 ramp

primary

#688DD3

secondary

#DFD2B8

accent

#8B23C2

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688DD3

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

Preview Lab → · Contrast checker → · Palette generator →