#688DC3#688DC3

#688DC3 is a light, moderate blue. Relative luminance 0.259; OKLCH L 63.8% C 0.092 H 257.7°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#688DC3
RGB	rgb(104, 141, 195)
HSL	hsl(216, 43%, 59%)
HSV	hsv(216, 47%, 76%)
CMYK	cmyk(46.7%, 27.7%, 0%, 23.5%)
CIE-LAB	lab(57.97, 1.86, -32.04)
CIE-LCH	lch(57.97, 32.09, 273.32°)
OKLab	oklab(63.8% -0.0195 -0.0896)
OKLCH	oklch(63.8% 0.092 257.7)
XYZ	xyz(25.0809, 25.9313, 55.3028)
Luminance	0.2593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DC3 #C39E68

analogous

#68BAC3 #688DC3 #7068C3

triadic

#688DC3 #C3688D #8DC368

tetradic

#688DC3 #C368BA #C39E68 #68C370

square

#688DC3 #C368BA #C39E68 #68C370

split-complementary

#688DC3 #C37068 #BAC368

monochromatic

#32517E #446DAA #688DC3 #94AED4 #C0CFE6

Accessibility & contrast

On white

3.39

#688DC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#688DC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DC3

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DC3	#FFFFFF	#000000	##000000
##688DC3	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7990C5

Deuteranopia (green-blind)

#6E87C2

Tritanopia (blue-blind)

#4399A0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #688dc3;
/* rgb */ color: rgb(104, 141, 195);
/* oklch */ color: oklch(63.8% 0.092 257.7);

Tailwind

colors: {
  custom: {
    50: '#97aed5',
    500: '#688dc3',
    950: '#000000',
  },
}

SCSS

$custom: #688dc3;
$custom-light: #97aed5;
$custom-dark: #000000;

JSON

{
  "hex": "#688dc3",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 195
  },
  "hsl": {
    "h": 215.604,
    "s": 43.128,
    "l": 58.627
  },
  "oklch": {
    "l": 0.63796,
    "c": 0.09168,
    "h": 257.7
  },
  "luminance": 0.25933
}

Semantic roles & 50–950 ramp

primary

#688DC3

secondary

#D5C7B1

accent

#A055D3

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #688DC3

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

Preview Lab → · Contrast checker → · Palette generator →