#365FD1#365FD1

#365FD1 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.3% C 0.182 H 265.5°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#365FD1
RGB	rgb(54, 95, 209)
HSL	hsl(224, 63%, 52%)
HSV	hsv(224, 74%, 82%)
CMYK	cmyk(74.2%, 54.5%, 0%, 18%)
CIE-LAB	lab(43.61, 25.42, -63.02)
CIE-LCH	lch(43.61, 67.95, 291.97°)
OKLab	oklab(52.31% -0.0143 -0.1816)
OKLCH	oklch(52.31% 0.182 265.5)
XYZ	xyz(17.1181, 13.5703, 62.0264)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FD1 #D1A836

analogous

#36ADD1 #365FD1 #5B36D1

triadic

#365FD1 #D1365F #5FD136

tetradic

#365FD1 #D136AD #D1A836 #36D15B

square

#365FD1 #D136AD #D1A836 #36D15B

split-complementary

#365FD1 #D15B36 #ADD136

monochromatic

#1A3272 #2647A4 #365FD1 #6887DC #9AAEE8

Accessibility & contrast

On white

5.65

#365FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#365FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FD1

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FD1	#FFFFFF	#000000	##FFFFFF
##365FD1	1.00	5.65	3.71	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD5

Deuteranopia (green-blind)

#0060CF

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #365fd1;
/* rgb */ color: rgb(54, 95, 209);
/* oklch */ color: oklch(52.3% 0.182 265.5);

Tailwind

colors: {
  custom: {
    50: '#828be0',
    500: '#365fd1',
    950: '#000000',
  },
}

SCSS

$custom: #365fd1;
$custom-light: #828be0;
$custom-dark: #000000;

JSON

{
  "hex": "#365fd1",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 209
  },
  "hsl": {
    "h": 224.129,
    "s": 62.753,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52312,
    "c": 0.18217,
    "h": 265.5
  },
  "luminance": 0.13572
}

Semantic roles & 50–950 ramp

primary

#365FD1

secondary

#D3C18F

accent

#BA42E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #365FD1

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

Preview Lab → · Contrast checker → · Palette generator →