#365CD5#365CD5

#365CD5 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.0% C 0.191 H 266.4°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#365CD5
RGB	rgb(54, 92, 213)
HSL	hsl(226, 65%, 52%)
HSV	hsv(226, 75%, 84%)
CMYK	cmyk(74.6%, 56.8%, 0%, 16.5%)
CIE-LAB	lab(43.12, 28.81, -66.10)
CIE-LCH	lch(43.12, 72.11, 293.55°)
OKLab	oklab(52.04% -0.0119 -0.1907)
OKLCH	oklch(52.04% 0.191 266.4)
XYZ	xyz(17.3545, 13.2408, 64.5790)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CD5 #D5AF36

analogous

#36ACD5 #365CD5 #5F36D5

triadic

#365CD5 #D5365C #5CD536

tetradic

#365CD5 #D536AC #D5AF36 #36D55F

square

#365CD5 #D536AC #D5AF36 #36D55F

split-complementary

#365CD5 #D55F36 #ACD536

monochromatic

#193078 #2444AA #365CD5 #6985E0 #9BAEEA

Accessibility & contrast

On white

5.76

#365CD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#365CD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CD5

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CD5	#FFFFFF	#000000	##FFFFFF
##365CD5	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD9

Deuteranopia (green-blind)

#005FD3

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #365cd5;
/* rgb */ color: rgb(54, 92, 213);
/* oklch */ color: oklch(52.0% 0.191 266.4);

Tailwind

colors: {
  custom: {
    50: '#8389e3',
    500: '#365cd5',
    950: '#000000',
  },
}

SCSS

$custom: #365cd5;
$custom-light: #8389e3;
$custom-dark: #000000;

JSON

{
  "hex": "#365cd5",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 213
  },
  "hsl": {
    "h": 225.66,
    "s": 65.432,
    "l": 52.353
  },
  "oklch": {
    "l": 0.52039,
    "c": 0.19109,
    "h": 266.4
  },
  "luminance": 0.13243
}

Semantic roles & 50–950 ramp

primary

#365CD5

secondary

#D6C591

accent

#C03FE8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0B16

muted

#7D7C84

Preview Lab

Preview with #365CD5

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

Preview Lab → · Contrast checker → · Palette generator →