#365CD1#365CD1

#365CD1 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.7% C 0.186 H 266.3°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#365CD1
RGB	rgb(54, 92, 209)
HSL	hsl(225, 63%, 52%)
HSV	hsv(225, 74%, 82%)
CMYK	cmyk(74.2%, 56%, 0%, 18%)
CIE-LAB	lab(42.82, 27.35, -64.29)
CIE-LCH	lch(42.82, 69.87, 293.04°)
OKLab	oklab(51.72% -0.0121 -0.1854)
OKLCH	oklch(51.72% 0.186 266.3)
XYZ	xyz(16.8531, 13.0402, 61.9380)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CD1 #D1AB36

analogous

#36AAD1 #365CD1 #5E36D1

triadic

#365CD1 #D1365C #5CD136

tetradic

#365CD1 #D136AA #D1AB36 #36D15E

square

#365CD1 #D136AA #D1AB36 #36D15E

split-complementary

#365CD1 #D15E36 #AAD136

monochromatic

#1A3072 #2645A4 #365CD1 #6884DC #9AADE8

Accessibility & contrast

On white

5.82

#365CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#365CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CD1

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CD1	#FFFFFF	#000000	##FFFFFF
##365CD1	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD5

Deuteranopia (green-blind)

#005ECF

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365cd1;
/* rgb */ color: rgb(54, 92, 209);
/* oklch */ color: oklch(51.7% 0.186 266.3);

Tailwind

colors: {
  custom: {
    50: '#8289e0',
    500: '#365cd1',
    950: '#000000',
  },
}

SCSS

$custom: #365cd1;
$custom-light: #8289e0;
$custom-dark: #000000;

JSON

{
  "hex": "#365cd1",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 209
  },
  "hsl": {
    "h": 225.29,
    "s": 62.753,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5172,
    "c": 0.18582,
    "h": 266.3
  },
  "luminance": 0.13042
}

Semantic roles & 50–950 ramp

primary

#365CD1

secondary

#D3C38F

accent

#BE42E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365CD1

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

Preview Lab → · Contrast checker → · Palette generator →