#688CBF#688CBF

#688CBF is a light, moderate blue. Relative luminance 0.255; OKLCH L 63.4% C 0.087 H 257.1°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#688CBF
RGB	rgb(104, 140, 191)
HSL	hsl(215, 40%, 58%)
HSV	hsv(215, 46%, 75%)
CMYK	cmyk(45.5%, 26.7%, 0%, 25.1%)
CIE-LAB	lab(57.52, 1.26, -30.47)
CIE-LCH	lch(57.52, 30.50, 272.37°)
OKLab	oklab(63.39% -0.0194 -0.0851)
OKLCH	oklch(63.39% 0.087 257.1)
XYZ	xyz(24.4879, 25.4593, 52.9039)
Luminance	0.2546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CBF #BF9B68

analogous

#68B8BF #688CBF #6F68BF

triadic

#688CBF #BF688C #8CBF68

tetradic

#688CBF #BF68B8 #BF9B68 #68BF6F

square

#688CBF #BF68B8 #BF9B68 #68BF6F

split-complementary

#688CBF #BF6F68 #B8BF68

monochromatic

#335079 #466DA4 #688CBF #93ADD1 #BECDE3

Accessibility & contrast

On white

3.45

#688CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#688CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CBF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CBF	#FFFFFF	#000000	##000000
##688CBF	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798FC1

Deuteranopia (green-blind)

#6F86BE

Tritanopia (blue-blind)

#46979E

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #688cbf;
/* rgb */ color: rgb(104, 140, 191);
/* oklch */ color: oklch(63.4% 0.087 257.1);

Tailwind

colors: {
  custom: {
    50: '#97add2',
    500: '#688cbf',
    950: '#000000',
  },
}

SCSS

$custom: #688cbf;
$custom-light: #97add2;
$custom-dark: #000000;

JSON

{
  "hex": "#688cbf",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 191
  },
  "hsl": {
    "h": 215.172,
    "s": 40.465,
    "l": 57.843
  },
  "oklch": {
    "l": 0.63386,
    "c": 0.08728,
    "h": 257.1
  },
  "luminance": 0.25461
}

Semantic roles & 50–950 ramp

primary

#688CBF

secondary

#D3C4B0

accent

#9E57D0

background

#F9FAFC

surface

#F2F4F9

border

#CCCED2

text

#0E1014

muted

#7E7F82

Preview Lab

Preview with #688CBF

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

Preview Lab → · Contrast checker → · Palette generator →