#688BC3#688BC3

#688BC3 is a light, moderate blue. Relative luminance 0.253; OKLCH L 63.4% C 0.094 H 259.5°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#688BC3
RGB	rgb(104, 139, 195)
HSL	hsl(217, 43%, 59%)
HSV	hsv(217, 47%, 76%)
CMYK	cmyk(46.7%, 28.7%, 0%, 23.5%)
CIE-LAB	lab(57.41, 3.02, -32.91)
CIE-LCH	lch(57.41, 33.05, 275.25°)
OKLab	oklab(63.36% -0.017 -0.0921)
OKLCH	oklch(63.36% 0.094 259.5)
XYZ	xyz(24.7886, 25.3468, 55.2054)
Luminance	0.2535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BC3 #C3A068

analogous

#68B8C3 #688BC3 #7268C3

triadic

#688BC3 #C3688B #8BC368

tetradic

#688BC3 #C368B8 #C3A068 #68C372

square

#688BC3 #C368B8 #C3A068 #68C372

split-complementary

#688BC3 #C37268 #B8C368

monochromatic

#32507E #446BAA #688BC3 #94ADD4 #C0CEE6

Accessibility & contrast

On white

3.46

#688BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#688BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BC3

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BC3	#FFFFFF	#000000	##000000
##688BC3	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768FC5

Deuteranopia (green-blind)

#6C86C2

Tritanopia (blue-blind)

#43979F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #688bc3;
/* rgb */ color: rgb(104, 139, 195);
/* oklch */ color: oklch(63.4% 0.094 259.5);

Tailwind

colors: {
  custom: {
    50: '#97acd5',
    500: '#688bc3',
    950: '#000000',
  },
}

SCSS

$custom: #688bc3;
$custom-light: #97acd5;
$custom-dark: #000000;

JSON

{
  "hex": "#688bc3",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 195
  },
  "hsl": {
    "h": 216.923,
    "s": 43.128,
    "l": 58.627
  },
  "oklch": {
    "l": 0.63358,
    "c": 0.09366,
    "h": 259.5
  },
  "luminance": 0.25348
}

Semantic roles & 50–950 ramp

primary

#688BC3

secondary

#D5C8B1

accent

#A255D3

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #688BC3

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

Preview Lab → · Contrast checker → · Palette generator →