#365AD3#365AD3

#365AD3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.191 H 266.8°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX#365AD3
RGBrgb(54, 90, 211)
HSLhsl(226, 64%, 52%)
HSVhsv(226, 74%, 83%)
CMYKcmyk(74.4%, 57.3%, 0%, 17.3%)
CIE-LABlab(42.46, 29.36, -66.04)
CIE-LCHlch(42.46, 72.27, 293.97°)
OKLaboklab(51.49% -0.0106 -0.1906)
OKLCHoklch(51.49% 0.191 266.8)
XYZxyz(16.9312, 12.7979, 63.1933)
Luminance0.1280 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#365AD3 #D3AF36
analogous
#36A9D3 #365AD3 #6136D3
triadic
#365AD3 #D3365A #5AD336
tetradic
#365AD3 #D336A9 #D3AF36 #36D361
square
#365AD3 #D336A9 #D3AF36 #36D361
split-complementary
#365AD3 #D36136 #A9D336
monochromatic
#1A2F75 #2543A7 #365AD3 #6883DE #9AACE9

Accessibility & contrast

On white

5.90
#365AD3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.56
#365AD3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365AD3
5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##365AD3#FFFFFF#000000##FFFFFF
##365AD31.005.903.565.90
#FFFFFF5.901.0021.001.00
#0000003.5621.001.0021.00
##FFFFFF5.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006CD7
Deuteranopia (green-blind)
#005DD1
Tritanopia (blue-blind)
#00788E
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #365ad3;
/* rgb */ color: rgb(54, 90, 211);
/* oklch */ color: oklch(51.5% 0.191 266.8);
Tailwind
colors: {
  custom: {
    50: '#8388e1',
    500: '#365ad3',
    950: '#000000',
  },
}
SCSS
$custom: #365ad3;
$custom-light: #8388e1;
$custom-dark: #000000;
JSON
{
  "hex": "#365ad3",
  "rgb": {
    "r": 54,
    "g": 90,
    "b": 211
  },
  "hsl": {
    "h": 226.242,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51492,
    "c": 0.19086,
    "h": 266.8
  },
  "luminance": 0.128
}

Semantic roles & 50–950 ramp

primary
#365AD3
secondary
#D5C590
accent
#C141E7
background
#F8F8FD
surface
#F0EFFB
border
#CBCAD4
text
#0C0B15
muted
#7D7C83

Preview Lab

Preview with #365AD3

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

Preview Lab → · Contrast checker → · Palette generator →

#365AD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva