#688FDA#688FDA

#688FDA is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.4% C 0.121 H 262.6°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#688FDA
RGB	rgb(104, 143, 218)
HSL	hsl(219, 61%, 63%)
HSV	hsv(219, 52%, 85%)
CMYK	cmyk(52.3%, 34.4%, 0%, 14.5%)
CIE-LAB	lab(59.57, 7.68, -42.46)
CIE-LCH	lch(59.57, 43.15, 280.26°)
OKLab	oklab(65.38% -0.0155 -0.1198)
OKLCH	oklch(65.38% 0.121 262.6)
XYZ	xyz(28.1820, 27.6479, 70.1676)
Luminance	0.2765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688FDA #DAB368

analogous

#68C8DA #688FDA #7A68DA

triadic

#688FDA #DA688F #8FDA68

tetradic

#688FDA #DA68C8 #DAB368 #68DA7A

square

#688FDA #DA68C8 #DAB368 #68DA7A

split-complementary

#688FDA #DA7A68 #C8DA68

monochromatic

#2751A0 #376BCE #688FDA #99B3E6 #CAD8F2

Accessibility & contrast

On white

3.22

#688FDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#688FDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FDA

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688FDA	#FFFFFF	#000000	##000000
##688FDA	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7195DD

Deuteranopia (green-blind)

#648BD8

Tritanopia (blue-blind)

#2E9FAA

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688fda;
/* rgb */ color: rgb(104, 143, 218);
/* oklch */ color: oklch(65.4% 0.121 262.6);

Tailwind

colors: {
  custom: {
    50: '#9aafe6',
    500: '#688fda',
    950: '#000000',
  },
}

SCSS

$custom: #688fda;
$custom-light: #9aafe6;
$custom-dark: #000000;

JSON

{
  "hex": "#688fda",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 218
  },
  "hsl": {
    "h": 219.474,
    "s": 60.638,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65384,
    "c": 0.12078,
    "h": 262.6
  },
  "luminance": 0.2765
}

Semantic roles & 50–950 ramp

primary

#688FDA

secondary

#E3D5BA

accent

#8E1DC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #688FDA

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

Preview Lab → · Contrast checker → · Palette generator →