#688DCF#688DCF

#688DCF is a light, moderate blue. Relative luminance 0.265; OKLCH L 64.4% C 0.108 H 261.5°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#688DCF
RGB	rgb(104, 141, 207)
HSL	hsl(218, 52%, 61%)
HSV	hsv(218, 50%, 81%)
CMYK	cmyk(49.8%, 31.9%, 0%, 18.8%)
CIE-LAB	lab(58.50, 5.47, -37.97)
CIE-LCH	lch(58.50, 38.36, 278.20°)
OKLab	oklab(64.39% -0.016 -0.1067)
OKLCH	oklch(64.39% 0.108 261.5)
XYZ	xyz(26.4925, 26.4960, 62.7376)
Luminance	0.2650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DCF #CFAA68

analogous

#68C0CF #688DCF #7668CF

triadic

#688DCF #CF688D #8DCF68

tetradic

#688DCF #CF68C0 #CFAA68 #68CF76

square

#688DCF #CF68C0 #CFAA68 #68CF76

split-complementary

#688DCF #CF7668 #C0CF68

monochromatic

#2D518F #3C6BBE #688DCF #96B0DE #C5D3ED

Accessibility & contrast

On white

3.33

#688DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#688DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DCF

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DCF	#FFFFFF	#000000	##000000
##688DCF	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7492D2

Deuteranopia (green-blind)

#6888CE

Tritanopia (blue-blind)

#3A9BA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688dcf;
/* rgb */ color: rgb(104, 141, 207);
/* oklch */ color: oklch(64.4% 0.108 261.5);

Tailwind

colors: {
  custom: {
    50: '#99aede',
    500: '#688dcf',
    950: '#000000',
  },
}

SCSS

$custom: #688dcf;
$custom-light: #99aede;
$custom-dark: #000000;

JSON

{
  "hex": "#688dcf",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 207
  },
  "hsl": {
    "h": 218.447,
    "s": 51.759,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64387,
    "c": 0.10794,
    "h": 261.5
  },
  "luminance": 0.26498
}

Semantic roles & 50–950 ramp

primary

#688DCF

secondary

#DDCFB6

accent

#8826BF

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688DCF

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

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