#688CC7#688CC7

#688CC7 is a light, moderate blue. Relative luminance 0.258; OKLCH L 63.8% C 0.098 H 260.0°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#688CC7
RGB	rgb(104, 140, 199)
HSL	hsl(217, 46%, 59%)
HSV	hsv(217, 48%, 78%)
CMYK	cmyk(47.7%, 29.6%, 0%, 22%)
CIE-LAB	lab(57.87, 3.63, -34.46)
CIE-LCH	lch(57.87, 34.65, 276.02°)
OKLab	oklab(63.77% -0.0171 -0.0966)
OKLCH	oklch(63.77% 0.098 260)
XYZ	xyz(25.3924, 25.8211, 57.6677)
Luminance	0.2582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CC7 #C7A368

analogous

#68BCC7 #688CC7 #7468C7

triadic

#688CC7 #C7688C #8CC768

tetradic

#688CC7 #C768BC #C7A368 #68C774

square

#688CC7 #C768BC #C7A368 #68C774

split-complementary

#688CC7 #C77468 #BCC768

monochromatic

#315084 #416BB0 #688CC7 #95AED8 #C1D0E8

Accessibility & contrast

On white

3.41

#688CC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#688CC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CC7

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CC7	#FFFFFF	#000000	##000000
##688CC7	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7690CA

Deuteranopia (green-blind)

#6B87C6

Tritanopia (blue-blind)

#4099A1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #688cc7;
/* rgb */ color: rgb(104, 140, 199);
/* oklch */ color: oklch(63.8% 0.098 260.0);

Tailwind

colors: {
  custom: {
    50: '#98add8',
    500: '#688cc7',
    950: '#000000',
  },
}

SCSS

$custom: #688cc7;
$custom-light: #98add8;
$custom-dark: #000000;

JSON

{
  "hex": "#688cc7",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 199
  },
  "hsl": {
    "h": 217.263,
    "s": 45.894,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63771,
    "c": 0.09808,
    "h": 260
  },
  "luminance": 0.25823
}

Semantic roles & 50–950 ramp

primary

#688CC7

secondary

#D8CAB3

accent

#A452D6

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #688CC7

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

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