#5388DD#5388DD

#5388DD is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.0% C 0.141 H 259.4°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX#5388DD
RGBrgb(83, 136, 221)
HSLhsl(217, 67%, 60%)
HSVhsv(217, 62%, 87%)
CMYKcmyk(62.4%, 38.5%, 0%, 13.3%)
CIE-LABlab(56.75, 8.57, -48.66)
CIE-LCHlch(56.75, 49.41, 279.98°)
OKLaboklab(62.96% -0.0258 -0.1383)
OKLCHoklch(62.96% 0.141 259.4)
XYZxyz(25.4180, 24.6654, 71.8140)
Luminance0.2467 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5388DD #DDA853
analogous
#53CDDD #5388DD #6353DD
triadic
#5388DD #DD5388 #88DD53
tetradic
#5388DD #DD53CD #DDA853 #53DD63
square
#5388DD #DD53CD #DDA853 #53DD63
split-complementary
#5388DD #DD6353 #CDDD53
monochromatic
#1E4D98 #2867CB #5388DD #86ABE7 #B9CFF1

Accessibility & contrast

On white

3.54
#5388DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.93
#5388DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5388DD
5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5388DD#FFFFFF#000000##000000
##5388DD1.003.545.935.93
#FFFFFF3.541.0021.0021.00
#0000005.9321.001.001.00
##0000005.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#638FE0
Deuteranopia (green-blind)
#4F82DB
Tritanopia (blue-blind)
#009BA8
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #5388dd;
/* rgb */ color: rgb(83, 136, 221);
/* oklch */ color: oklch(63.0% 0.141 259.4);
Tailwind
colors: {
  custom: {
    50: '#8faae8',
    500: '#5388dd',
    950: '#000000',
  },
}
SCSS
$custom: #5388dd;
$custom-light: #8faae8;
$custom-dark: #000000;
JSON
{
  "hex": "#5388dd",
  "rgb": {
    "r": 83,
    "g": 136,
    "b": 221
  },
  "hsl": {
    "h": 216.957,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.62961,
    "c": 0.14069,
    "h": 259.4
  },
  "luminance": 0.24668
}

Semantic roles & 50–950 ramp

primary
#5388DD
secondary
#E1CCAB
accent
#A83EEA
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #5388DD

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

Preview Lab → · Contrast checker → · Palette generator →

#5388DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva