#688CE8#688CE8

#688CE8 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.143 H 266.4°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#688CE8
RGB	rgb(104, 140, 232)
HSL	hsl(223, 74%, 66%)
HSV	hsv(223, 55%, 91%)
CMYK	cmyk(55.2%, 39.7%, 0%, 9%)
CIE-LAB	lab(59.46, 13.85, -50.43)
CIE-LCH	lch(59.46, 52.30, 285.36°)
OKLab	oklab(65.52% -0.009 -0.1431)
OKLCH	oklch(65.52% 0.143 266.4)
XYZ	xyz(29.6476, 27.5232, 80.0785)
Luminance	0.2752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CE8 #E8C468

analogous

#68CCE8 #688CE8 #8468E8

triadic

#688CE8 #E8688C #8CE868

tetradic

#688CE8 #E868CC #E8C468 #68E884

square

#688CE8 #E868CC #E8C468 #68E884

split-complementary

#688CE8 #E88468 #CCE868

monochromatic

#1C48B9 #3364E0 #688CE8 #9DB4F0 #D2DDF8

Accessibility & contrast

On white

3.23

#688CE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#688CE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CE8

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CE8	#FFFFFF	#000000	##000000
##688CE8	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6695EC

Deuteranopia (green-blind)

#568AE6

Tritanopia (blue-blind)

#18A0AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688ce8;
/* rgb */ color: rgb(104, 140, 232);
/* oklch */ color: oklch(65.5% 0.143 266.4);

Tailwind

colors: {
  custom: {
    50: '#9cadf0',
    500: '#688ce8',
    950: '#000000',
  },
}

SCSS

$custom: #688ce8;
$custom-light: #9cadf0;
$custom-dark: #000000;

JSON

{
  "hex": "#688ce8",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 232
  },
  "hsl": {
    "h": 223.125,
    "s": 73.563,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65524,
    "c": 0.14336,
    "h": 266.4
  },
  "luminance": 0.27525
}

Semantic roles & 50–950 ramp

primary

#688CE8

secondary

#EBDFC1

accent

#9E10D6

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688CE8

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

Preview Lab → · Contrast checker → · Palette generator →