#365FD4#365FD4

#365FD4 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.5% C 0.186 H 265.6°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#365FD4
RGB	rgb(54, 95, 212)
HSL	hsl(224, 65%, 52%)
HSV	hsv(224, 75%, 83%)
CMYK	cmyk(74.5%, 55.2%, 0%, 16.9%)
CIE-LAB	lab(43.83, 26.53, -64.38)
CIE-LCH	lch(43.83, 69.63, 292.39°)
OKLab	oklab(52.55% -0.0141 -0.1856)
OKLCH	oklch(52.55% 0.186 265.6)
XYZ	xyz(17.4930, 13.7202, 64.0009)
Luminance	0.1372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FD4 #D4AB36

analogous

#36AED4 #365FD4 #5C36D4

triadic

#365FD4 #D4365F #5FD436

tetradic

#365FD4 #D436AE #D4AB36 #36D45C

square

#365FD4 #D436AE #D4AB36 #36D45C

split-complementary

#365FD4 #D45C36 #AED436

monochromatic

#193176 #2447A9 #365FD4 #6887DF #9BAFEA

Accessibility & contrast

On white

5.61

#365FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#365FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FD4

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FD4	#FFFFFF	#000000	##FFFFFF
##365FD4	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD8

Deuteranopia (green-blind)

#0061D2

Tritanopia (blue-blind)

#007C90

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #365fd4;
/* rgb */ color: rgb(54, 95, 212);
/* oklch */ color: oklch(52.5% 0.186 265.6);

Tailwind

colors: {
  custom: {
    50: '#838be2',
    500: '#365fd4',
    950: '#000000',
  },
}

SCSS

$custom: #365fd4;
$custom-light: #838be2;
$custom-dark: #000000;

JSON

{
  "hex": "#365fd4",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 212
  },
  "hsl": {
    "h": 224.43,
    "s": 64.754,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52546,
    "c": 0.18616,
    "h": 265.6
  },
  "luminance": 0.13722
}

Semantic roles & 50–950 ramp

primary

#365FD4

secondary

#D5C390

accent

#BC40E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #365FD4

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

Preview Lab → · Contrast checker → · Palette generator →