#688BCA#688BCA

#688BCA is a light, moderate blue. Relative luminance 0.257; OKLCH L 63.7% C 0.103 H 261.6°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#688BCA
RGB	rgb(104, 139, 202)
HSL	hsl(219, 48%, 60%)
HSV	hsv(219, 49%, 79%)
CMYK	cmyk(48.5%, 31.2%, 0%, 20.8%)
CIE-LAB	lab(57.72, 5.12, -36.38)
CIE-LCH	lch(57.72, 36.74, 278.02°)
OKLab	oklab(63.7% -0.015 -0.1021)
OKLCH	oklch(63.7% 0.103 261.6)
XYZ	xyz(25.5987, 25.6709, 59.4717)
Luminance	0.2567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BCA #CAA768

analogous

#68BCCA #688BCA #7668CA

triadic

#688BCA #CA688B #8BCA68

tetradic

#688BCA #CA68BC #CAA768 #68CA76

square

#688BCA #CA68BC #CAA768 #68CA76

split-complementary

#688BCA #CA7668 #BCCA68

monochromatic

#304F88 #406AB5 #688BCA #95AEDA #C3D1EA

Accessibility & contrast

On white

3.42

#688BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#688BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BCA

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BCA	#FFFFFF	#000000	##000000
##688BCA	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7390CD

Deuteranopia (green-blind)

#6887C9

Tritanopia (blue-blind)

#3E99A1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #688bca;
/* rgb */ color: rgb(104, 139, 202);
/* oklch */ color: oklch(63.7% 0.103 261.6);

Tailwind

colors: {
  custom: {
    50: '#98acda',
    500: '#688bca',
    950: '#000000',
  },
}

SCSS

$custom: #688bca;
$custom-light: #98acda;
$custom-dark: #000000;

JSON

{
  "hex": "#688bca",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 202
  },
  "hsl": {
    "h": 218.571,
    "s": 48.039,
    "l": 60
  },
  "oklch": {
    "l": 0.63703,
    "c": 0.10324,
    "h": 261.6
  },
  "luminance": 0.25673
}

Semantic roles & 50–950 ramp

primary

#688BCA

secondary

#DACCB4

accent

#A750D8

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688BCA

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

Preview Lab → · Contrast checker → · Palette generator →