#688EE0#688EE0

#688EE0 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.130 H 264.3°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#688EE0
RGB	rgb(104, 142, 224)
HSL	hsl(221, 66%, 64%)
HSV	hsv(221, 54%, 88%)
CMYK	cmyk(53.6%, 36.6%, 0%, 12.2%)
CIE-LAB	lab(59.59, 10.14, -45.78)
CIE-LCH	lch(59.59, 46.89, 282.49°)
OKLab	oklab(65.49% -0.013 -0.1294)
OKLCH	oklch(65.49% 0.13 264.3)
XYZ	xyz(28.8319, 27.6687, 74.3278)
Luminance	0.2767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EE0 #E0BA68

analogous

#68CAE0 #688EE0 #7E68E0

triadic

#688EE0 #E0688E #8EE068

tetradic

#688EE0 #E068CA #E0BA68 #68E07E

square

#688EE0 #E068CA #E0BA68 #68E07E

split-complementary

#688EE0 #E07E68 #CAE068

monochromatic

#234EAB #3568D6 #688EE0 #9BB4EA #CEDAF5

Accessibility & contrast

On white

3.21

#688EE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#688EE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EE0

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EE0	#FFFFFF	#000000	##000000
##688EE0	1.00	3.21	6.53	6.53
#FFFFFF	3.21	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)

#6D95E3

Deuteranopia (green-blind)

#5F8ADE

Tritanopia (blue-blind)

#26A0AC

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688ee0;
/* rgb */ color: rgb(104, 142, 224);
/* oklch */ color: oklch(65.5% 0.130 264.3);

Tailwind

colors: {
  custom: {
    50: '#9baeea',
    500: '#688ee0',
    950: '#000000',
  },
}

SCSS

$custom: #688ee0;
$custom-light: #9baeea;
$custom-dark: #000000;

JSON

{
  "hex": "#688ee0",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 224
  },
  "hsl": {
    "h": 221,
    "s": 65.934,
    "l": 64.314
  },
  "oklch": {
    "l": 0.65494,
    "c": 0.1301,
    "h": 264.3
  },
  "luminance": 0.27671
}

Semantic roles & 50–950 ramp

primary

#688EE0

secondary

#E7DABD

accent

#9418CE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #688EE0

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

Preview Lab → · Contrast checker → · Palette generator →