#688BDB#688BDB

#688BDB is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.6% C 0.127 H 265.2°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#688BDB
RGB	rgb(104, 139, 219)
HSL	hsl(222, 61%, 63%)
HSV	hsv(222, 53%, 86%)
CMYK	cmyk(52.5%, 36.5%, 0%, 14.1%)
CIE-LAB	lab(58.53, 10.35, -44.66)
CIE-LCH	lch(58.53, 45.84, 283.05°)
OKLab	oklab(64.59% -0.0107 -0.1262)
OKLCH	oklch(64.59% 0.127 265.2)
XYZ	xyz(27.7235, 26.5208, 70.6622)
Luminance	0.2652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BDB #DBB868

analogous

#68C4DB #688BDB #7E68DB

triadic

#688BDB #DB688B #8BDB68

tetradic

#688BDB #DB68C4 #DBB868 #68DB7E

square

#688BDB #DB68C4 #DBB868 #68DB7E

split-complementary

#688BDB #DB7E68 #C4DB68

monochromatic

#274CA2 #3765CF #688BDB #99B1E7 #CBD7F3

Accessibility & contrast

On white

3.33

#688BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#688BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BDB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BDB	#FFFFFF	#000000	##000000
##688BDB	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B92DE

Deuteranopia (green-blind)

#5E88D9

Tritanopia (blue-blind)

#2E9CA9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688bdb;
/* rgb */ color: rgb(104, 139, 219);
/* oklch */ color: oklch(64.6% 0.127 265.2);

Tailwind

colors: {
  custom: {
    50: '#9aace6',
    500: '#688bdb',
    950: '#000000',
  },
}

SCSS

$custom: #688bdb;
$custom-light: #9aace6;
$custom-dark: #000000;

JSON

{
  "hex": "#688bdb",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 219
  },
  "hsl": {
    "h": 221.739,
    "s": 61.497,
    "l": 63.333
  },
  "oklch": {
    "l": 0.64592,
    "c": 0.12667,
    "h": 265.2
  },
  "luminance": 0.26523
}

Semantic roles & 50–950 ramp

primary

#688BDB

secondary

#E4D7BB

accent

#951CC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688BDB

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

Preview Lab → · Contrast checker → · Palette generator →