#688AEA#688AEA

#688AEA is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.2% C 0.148 H 267.5°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX#688AEA
RGBrgb(104, 138, 234)
HSLhsl(224, 76%, 66%)
HSVhsv(224, 56%, 92%)
CMYKcmyk(55.6%, 41%, 0%, 8.2%)
CIE-LABlab(59.03, 15.68, -52.22)
CIE-LCHlch(59.03, 54.53, 286.71°)
OKLaboklab(65.23% -0.0065 -0.1483)
OKLCHoklch(65.23% 0.148 267.5)
XYZxyz(29.6437, 27.0583, 81.4866)
Luminance0.2706 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688AEA #EAC868
analogous
#68CBEA #688AEA #8768EA
triadic
#688AEA #EA688A #8AEA68
tetradic
#688AEA #EA68CB #EAC868 #68EA87
square
#688AEA #EA68CB #EAC868 #68EA87
split-complementary
#688AEA #EA8768 #CBEA68
monochromatic
#1A45BD #3260E3 #688AEA #9EB4F1 #D3DDF9

Accessibility & contrast

On white

3.28
#688AEA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.41
#688AEA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688AEA
6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688AEA#FFFFFF#000000##000000
##688AEA1.003.286.416.41
#FFFFFF3.281.0021.0021.00
#0000006.4121.001.001.00
##0000006.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6194EE
Deuteranopia (green-blind)
#5189E8
Tritanopia (blue-blind)
#149FAF
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #688aea;
/* rgb */ color: rgb(104, 138, 234);
/* oklch */ color: oklch(65.2% 0.148 267.5);
Tailwind
colors: {
  custom: {
    50: '#9cabf1',
    500: '#688aea',
    950: '#000000',
  },
}
SCSS
$custom: #688aea;
$custom-light: #9cabf1;
$custom-dark: #000000;
JSON
{
  "hex": "#688aea",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 234
  },
  "hsl": {
    "h": 224.308,
    "s": 75.581,
    "l": 66.275
  },
  "oklch": {
    "l": 0.65229,
    "c": 0.14848,
    "h": 267.5
  },
  "luminance": 0.27061
}

Semantic roles & 50–950 ramp

primary
#688AEA
secondary
#ECE1C2
accent
#A30ED8
background
#FAFAFE
surface
#F4F4FD
border
#CECED5
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688AEA

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

Preview Lab → · Contrast checker → · Palette generator →

#688AEA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva