#688BEA#688BEA

#688BEA is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.4% C 0.147 H 267.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#688BEA
RGBrgb(104, 139, 234)
HSLhsl(224, 76%, 66%)
HSVhsv(224, 56%, 92%)
CMYKcmyk(55.6%, 40.6%, 0%, 8.2%)
CIE-LABlab(59.29, 15.09, -51.80)
CIE-LCHlch(59.29, 53.95, 286.24°)
OKLaboklab(65.43% -0.0075 -0.1471)
OKLCHoklch(65.43% 0.147 267.1)
XYZxyz(29.7878, 27.3465, 81.5346)
Luminance0.2735 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BEA #EAC768
analogous
#68CCEA #688BEA #8668EA
triadic
#688BEA #EA688B #8BEA68
tetradic
#688BEA #EA68CC #EAC768 #68EA86
square
#688BEA #EA68CC #EAC768 #68EA86
split-complementary
#688BEA #EA8668 #CCEA68
monochromatic
#1A46BD #3262E3 #688BEA #9EB4F1 #D3DEF9

Accessibility & contrast

On white

3.25
#688BEA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.47
#688BEA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BEA
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BEA#FFFFFF#000000##000000
##688BEA1.003.256.476.47
#FFFFFF3.251.0021.0021.00
#0000006.4721.001.001.00
##0000006.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6395EE
Deuteranopia (green-blind)
#5389E8
Tritanopia (blue-blind)
#14A0AF
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #688bea;
/* rgb */ color: rgb(104, 139, 234);
/* oklch */ color: oklch(65.4% 0.147 267.1);
Tailwind
colors: {
  custom: {
    50: '#9cacf1',
    500: '#688bea',
    950: '#000000',
  },
}
SCSS
$custom: #688bea;
$custom-light: #9cacf1;
$custom-dark: #000000;
JSON
{
  "hex": "#688bea",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 234
  },
  "hsl": {
    "h": 223.846,
    "s": 75.581,
    "l": 66.275
  },
  "oklch": {
    "l": 0.65433,
    "c": 0.14728,
    "h": 267.1
  },
  "luminance": 0.27349
}

Semantic roles & 50–950 ramp

primary
#688BEA
secondary
#ECE1C2
accent
#A10ED8
background
#FAFAFE
surface
#F4F4FD
border
#CECED5
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688BEA

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

Preview Lab → · Contrast checker → · Palette generator →

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