#688BC9#688BC9

#688BC9 is a light, moderate blue. Relative luminance 0.256; OKLCH L 63.7% C 0.102 H 261.4°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#688BC9
RGB	rgb(104, 139, 201)
HSL	hsl(218, 47%, 60%)
HSV	hsv(218, 48%, 79%)
CMYK	cmyk(48.3%, 30.8%, 0%, 21.2%)
CIE-LAB	lab(57.68, 4.82, -35.88)
CIE-LCH	lch(57.68, 36.21, 277.65°)
OKLab	oklab(63.65% -0.0153 -0.1007)
OKLCH	oklch(63.65% 0.102 261.4)
XYZ	xyz(25.4807, 25.6237, 58.8502)
Luminance	0.2562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BC9 #C9A668

analogous

#68BBC9 #688BC9 #7668C9

triadic

#688BC9 #C9688B #8BC968

tetradic

#688BC9 #C968BB #C9A668 #68C976

square

#688BC9 #C968BB #C9A668 #68C976

split-complementary

#688BC9 #C97668 #BBC968

monochromatic

#304F87 #406AB4 #688BC9 #95AED9 #C2D0E9

Accessibility & contrast

On white

3.43

#688BC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#688BC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BC9

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BC9	#FFFFFF	#000000	##000000
##688BC9	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7490CC

Deuteranopia (green-blind)

#6986C8

Tritanopia (blue-blind)

#3F98A1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #688bc9;
/* rgb */ color: rgb(104, 139, 201);
/* oklch */ color: oklch(63.7% 0.102 261.4);

Tailwind

colors: {
  custom: {
    50: '#98acd9',
    500: '#688bc9',
    950: '#000000',
  },
}

SCSS

$custom: #688bc9;
$custom-light: #98acd9;
$custom-dark: #000000;

JSON

{
  "hex": "#688bc9",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 201
  },
  "hsl": {
    "h": 218.351,
    "s": 47.317,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63653,
    "c": 0.10186,
    "h": 261.4
  },
  "luminance": 0.25625
}

Semantic roles & 50–950 ramp

primary

#688BC9

secondary

#D9CCB4

accent

#A751D7

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #688BC9

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

Preview Lab → · Contrast checker → · Palette generator →