#688BDE#688BDE

#688BDE is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.8% C 0.131 H 265.6°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#688BDE
RGB	rgb(104, 139, 222)
HSL	hsl(222, 64%, 64%)
HSV	hsv(222, 53%, 87%)
CMYK	cmyk(53.2%, 37.4%, 0%, 12.9%)
CIE-LAB	lab(58.68, 11.29, -46.10)
CIE-LCH	lch(58.68, 47.46, 283.76°)
OKLab	oklab(64.76% -0.01 -0.1304)
OKLCH	oklch(64.76% 0.131 265.6)
XYZ	xyz(28.1220, 26.6802, 72.7610)
Luminance	0.2668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BDE #DEBB68

analogous

#68C6DE #688BDE #8068DE

triadic

#688BDE #DE688B #8BDE68

tetradic

#688BDE #DE68C6 #DEBB68 #68DE80

square

#688BDE #DE68C6 #DEBB68 #68DE80

split-complementary

#688BDE #DE8068 #C6DE68

monochromatic

#254BA7 #3664D3 #688BDE #9AB2E9 #CCD8F4

Accessibility & contrast

On white

3.31

#688BDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#688BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BDE

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BDE	#FFFFFF	#000000	##000000
##688BDE	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A93E1

Deuteranopia (green-blind)

#5C88DC

Tritanopia (blue-blind)

#2A9DAA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688bde;
/* rgb */ color: rgb(104, 139, 222);
/* oklch */ color: oklch(64.8% 0.131 265.6);

Tailwind

colors: {
  custom: {
    50: '#9aace8',
    500: '#688bde',
    950: '#000000',
  },
}

SCSS

$custom: #688bde;
$custom-light: #9aace8;
$custom-dark: #000000;

JSON

{
  "hex": "#688bde",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 222
  },
  "hsl": {
    "h": 222.203,
    "s": 64.13,
    "l": 63.922
  },
  "oklch": {
    "l": 0.64756,
    "c": 0.1308,
    "h": 265.6
  },
  "luminance": 0.26682
}

Semantic roles & 50–950 ramp

primary

#688BDE

secondary

#E6D9BC

accent

#971ACC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688BDE

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

Preview Lab → · Contrast checker → · Palette generator →