#365FD0#365FD0

#365FD0 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.181 H 265.4°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#365FD0
RGB	rgb(54, 95, 208)
HSL	hsl(224, 62%, 51%)
HSV	hsv(224, 74%, 82%)
CMYK	cmyk(74%, 54.3%, 0%, 18.4%)
CIE-LAB	lab(43.54, 25.05, -62.56)
CIE-LCH	lch(43.54, 67.39, 291.83°)
OKLab	oklab(52.24% -0.0144 -0.1803)
OKLCH	oklch(52.24% 0.181 265.4)
XYZ	xyz(16.9947, 13.5209, 61.3764)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FD0 #D0A736

analogous

#36ACD0 #365FD0 #5A36D0

triadic

#365FD0 #D0365F #5FD036

tetradic

#365FD0 #D036AC #D0A736 #36D05A

square

#365FD0 #D036AC #D0A736 #36D05A

split-complementary

#365FD0 #D05A36 #ACD036

monochromatic

#1A3271 #2647A3 #365FD0 #6886DC #99AEE7

Accessibility & contrast

On white

5.67

#365FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#365FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FD0

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FD0	#FFFFFF	#000000	##FFFFFF
##365FD0	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED4

Deuteranopia (green-blind)

#0060CE

Tritanopia (blue-blind)

#007B8E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #365fd0;
/* rgb */ color: rgb(54, 95, 208);
/* oklch */ color: oklch(52.2% 0.181 265.4);

Tailwind

colors: {
  custom: {
    50: '#828bdf',
    500: '#365fd0',
    950: '#000000',
  },
}

SCSS

$custom: #365fd0;
$custom-light: #828bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#365fd0",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 208
  },
  "hsl": {
    "h": 224.026,
    "s": 62.097,
    "l": 51.373
  },
  "oklch": {
    "l": 0.52235,
    "c": 0.18085,
    "h": 265.4
  },
  "luminance": 0.13523
}

Semantic roles & 50–950 ramp

primary

#365FD0

secondary

#D3C18F

accent

#BA43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #365FD0

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

Preview Lab → · Contrast checker → · Palette generator →