#365ED3#365ED3

#365ED3 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.3% C 0.186 H 265.8°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#365ED3
RGB	rgb(54, 94, 211)
HSL	hsl(225, 64%, 52%)
HSV	hsv(225, 74%, 83%)
CMYK	cmyk(74.4%, 55.5%, 0%, 17.3%)
CIE-LAB	lab(43.49, 26.80, -64.35)
CIE-LCH	lch(43.49, 69.71, 292.61°)
OKLab	oklab(52.27% -0.0135 -0.1856)
OKLCH	oklch(52.27% 0.186 265.8)
XYZ	xyz(17.2778, 13.4909, 63.3088)
Luminance	0.1349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365ED3 #D3AB36

analogous

#36ADD3 #365ED3 #5C36D3

triadic

#365ED3 #D3365E #5ED336

tetradic

#365ED3 #D336AD #D3AB36 #36D35C

square

#365ED3 #D336AD #D3AB36 #36D35C

split-complementary

#365ED3 #D35C36 #ADD336

monochromatic

#1A3175 #2546A7 #365ED3 #6886DE #9AAEE9

Accessibility & contrast

On white

5.68

#365ED3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#365ED3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365ED3

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365ED3	#FFFFFF	#000000	##FFFFFF
##365ED3	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED7

Deuteranopia (green-blind)

#0060D1

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #365ed3;
/* rgb */ color: rgb(54, 94, 211);
/* oklch */ color: oklch(52.3% 0.186 265.8);

Tailwind

colors: {
  custom: {
    50: '#838be1',
    500: '#365ed3',
    950: '#000000',
  },
}

SCSS

$custom: #365ed3;
$custom-light: #838be1;
$custom-dark: #000000;

JSON

{
  "hex": "#365ed3",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 211
  },
  "hsl": {
    "h": 224.713,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5227,
    "c": 0.18605,
    "h": 265.8
  },
  "luminance": 0.13493
}

Semantic roles & 50–950 ramp

primary

#365ED3

secondary

#D5C390

accent

#BD41E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365ED3

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

Preview Lab → · Contrast checker → · Palette generator →