#365CD0#365CD0

#365CD0 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.184 H 266.2°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#365CD0
RGB	rgb(54, 92, 208)
HSL	hsl(225, 62%, 51%)
HSV	hsv(225, 74%, 82%)
CMYK	cmyk(74%, 55.8%, 0%, 18.4%)
CIE-LAB	lab(42.75, 26.98, -63.84)
CIE-LCH	lch(42.75, 69.31, 292.91°)
OKLab	oklab(51.64% -0.0122 -0.1841)
OKLCH	oklch(51.64% 0.184 266.2)
XYZ	xyz(16.7296, 12.9908, 61.2881)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CD0 #D0AA36

analogous

#36A9D0 #365CD0 #5D36D0

triadic

#365CD0 #D0365C #5CD036

tetradic

#365CD0 #D036A9 #D0AA36 #36D05D

square

#365CD0 #D036A9 #D0AA36 #36D05D

split-complementary

#365CD0 #D05D36 #A9D036

monochromatic

#1A3071 #2645A3 #365CD0 #6884DC #99ACE7

Accessibility & contrast

On white

5.84

#365CD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#365CD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CD0

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CD0	#FFFFFF	#000000	##FFFFFF
##365CD0	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD4

Deuteranopia (green-blind)

#005ECE

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365cd0;
/* rgb */ color: rgb(54, 92, 208);
/* oklch */ color: oklch(51.6% 0.184 266.2);

Tailwind

colors: {
  custom: {
    50: '#8289df',
    500: '#365cd0',
    950: '#000000',
  },
}

SCSS

$custom: #365cd0;
$custom-light: #8289df;
$custom-dark: #000000;

JSON

{
  "hex": "#365cd0",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 208
  },
  "hsl": {
    "h": 225.195,
    "s": 62.097,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5164,
    "c": 0.18448,
    "h": 266.2
  },
  "luminance": 0.12993
}

Semantic roles & 50–950 ramp

primary

#365CD0

secondary

#D3C28F

accent

#BD43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365CD0

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

Preview Lab → · Contrast checker → · Palette generator →