#3653B3#3653B3

#3653B3 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.6% C 0.156 H 267.5°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#3653B3
RGBrgb(54, 83, 179)
HSLhsl(226, 54%, 46%)
HSVhsv(226, 70%, 70%)
CMYKcmyk(69.8%, 53.6%, 0%, 29.8%)
CIE-LABlab(38.24, 22.14, -54.28)
CIE-LCHlch(38.24, 58.62, 292.19°)
OKLaboklab(47.58% -0.0069 -0.1561)
OKLCHoklch(47.58% 0.156 267.5)
XYZxyz(12.7484, 10.2242, 43.9407)
Luminance0.1022 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3653B3 #B39636
analogous
#3691B3 #3653B3 #5736B3
triadic
#3653B3 #B33653 #53B336
tetradic
#3653B3 #B33691 #B39636 #36B357
square
#3653B3 #B33691 #B39636 #36B357
split-complementary
#3653B3 #B35736 #91B336
monochromatic
#1A2755 #283D84 #3653B3 #5974CD #889BDB

Accessibility & contrast

On white

6.90
#3653B3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#3653B3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3653B3
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3653B3#FFFFFF#000000##FFFFFF
##3653B31.006.903.056.90
#FFFFFF6.901.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0E60B6
Deuteranopia (green-blind)
#0055B1
Tritanopia (blue-blind)
#006A7B
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #3653b3;
/* rgb */ color: rgb(54, 83, 179);
/* oklch */ color: oklch(47.6% 0.156 267.5);
Tailwind
colors: {
  custom: {
    50: '#7c82ca',
    500: '#3653b3',
    950: '#000000',
  },
}
SCSS
$custom: #3653b3;
$custom-light: #7c82ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3653b3",
  "rgb": {
    "r": 54,
    "g": 83,
    "b": 179
  },
  "hsl": {
    "h": 226.08,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.47575,
    "c": 0.15624,
    "h": 267.5
  },
  "luminance": 0.10225
}

Semantic roles & 50–950 ramp

primary
#3653B3
secondary
#C5B580
accent
#BB4BDD
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0B0A13
muted
#7C7C82

Preview Lab

Preview with #3653B3

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

Preview Lab → · Contrast checker → · Palette generator →

#3653B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva