#365FD3#365FD3

#365FD3 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.5% C 0.185 H 265.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#365FD3
RGB	rgb(54, 95, 211)
HSL	hsl(224, 64%, 52%)
HSV	hsv(224, 74%, 83%)
CMYK	cmyk(74.4%, 55%, 0%, 17.3%)
CIE-LAB	lab(43.76, 26.16, -63.93)
CIE-LCH	lch(43.76, 69.07, 292.25°)
OKLab	oklab(52.47% -0.0142 -0.1843)
OKLCH	oklch(52.47% 0.185 265.6)
XYZ	xyz(17.3673, 13.6699, 63.3386)
Luminance	0.1367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FD3 #D3AA36

analogous

#36AED3 #365FD3 #5B36D3

triadic

#365FD3 #D3365F #5FD336

tetradic

#365FD3 #D336AE #D3AA36 #36D35B

square

#365FD3 #D336AE #D3AA36 #36D35B

split-complementary

#365FD3 #D35B36 #AED336

monochromatic

#1A3175 #2547A7 #365FD3 #6887DE #9AAFE9

Accessibility & contrast

On white

5.62

#365FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#365FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FD3

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FD3	#FFFFFF	#000000	##FFFFFF
##365FD3	1.00	5.62	3.73	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD7

Deuteranopia (green-blind)

#0060D1

Tritanopia (blue-blind)

#007B90

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #365fd3;
/* rgb */ color: rgb(54, 95, 211);
/* oklch */ color: oklch(52.5% 0.185 265.6);

Tailwind

colors: {
  custom: {
    50: '#838be1',
    500: '#365fd3',
    950: '#000000',
  },
}

SCSS

$custom: #365fd3;
$custom-light: #838be1;
$custom-dark: #000000;

JSON

{
  "hex": "#365fd3",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 211
  },
  "hsl": {
    "h": 224.331,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52468,
    "c": 0.18484,
    "h": 265.6
  },
  "luminance": 0.13672
}

Semantic roles & 50–950 ramp

primary

#365FD3

secondary

#D5C390

accent

#BC41E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #365FD3

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

Preview Lab → · Contrast checker → · Palette generator →