#688ECC#688ECC

#688ECC is a light, moderate blue. Relative luminance 0.266; OKLCH L 64.5% C 0.103 H 259.9°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#688ECC
RGB	rgb(104, 142, 204)
HSL	hsl(217, 50%, 60%)
HSV	hsv(217, 49%, 80%)
CMYK	cmyk(49%, 30.4%, 0%, 20%)
CIE-LAB	lab(58.65, 3.97, -36.06)
CIE-LCH	lch(58.65, 36.28, 276.29°)
OKLab	oklab(64.45% -0.0181 -0.1012)
OKLCH	oklch(64.45% 0.103 259.9)
XYZ	xyz(26.2774, 26.6469, 60.8737)
Luminance	0.2665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688ECC #CCA668

analogous

#68C0CC #688ECC #7468CC

triadic

#688ECC #CC688E #8ECC68

tetradic

#688ECC #CC68C0 #CCA668 #68CC74

square

#688ECC #CC68C0 #CCA668 #68CC74

split-complementary

#688ECC #CC7468 #C0CC68

monochromatic

#2F528B #3E6DB8 #688ECC #96B0DB #C3D2EB

Accessibility & contrast

On white

3.32

#688ECC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#688ECC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688ECC

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688ECC	#FFFFFF	#000000	##000000
##688ECC	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692CF

Deuteranopia (green-blind)

#6B89CB

Tritanopia (blue-blind)

#3C9BA4

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688ecc;
/* rgb */ color: rgb(104, 142, 204);
/* oklch */ color: oklch(64.5% 0.103 259.9);

Tailwind

colors: {
  custom: {
    50: '#98aedc',
    500: '#688ecc',
    950: '#000000',
  },
}

SCSS

$custom: #688ecc;
$custom-light: #98aedc;
$custom-dark: #000000;

JSON

{
  "hex": "#688ecc",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 204
  },
  "hsl": {
    "h": 217.2,
    "s": 49.505,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64453,
    "c": 0.10281,
    "h": 259.9
  },
  "luminance": 0.26649
}

Semantic roles & 50–950 ramp

primary

#688ECC

secondary

#DBCCB5

accent

#8529BD

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688ECC

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

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