#365BD0#365BD0

#365BD0 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.186 H 266.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#365BD0
RGB	rgb(54, 91, 208)
HSL	hsl(226, 62%, 51%)
HSV	hsv(226, 74%, 82%)
CMYK	cmyk(74%, 56.2%, 0%, 18.4%)
CIE-LAB	lab(42.49, 27.62, -64.27)
CIE-LCH	lch(42.49, 69.95, 293.26°)
OKLab	oklab(51.44% -0.0114 -0.1853)
OKLCH	oklch(51.44% 0.186 266.5)
XYZ	xyz(16.6436, 12.8187, 61.2594)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365BD0 #D0AB36

analogous

#36A8D0 #365BD0 #5E36D0

triadic

#365BD0 #D0365B #5BD036

tetradic

#365BD0 #D036A8 #D0AB36 #36D05E

square

#365BD0 #D036A8 #D0AB36 #36D05E

split-complementary

#365BD0 #D05E36 #A8D036

monochromatic

#1A2F71 #2644A3 #365BD0 #6883DC #99ACE7

Accessibility & contrast

On white

5.89

#365BD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#365BD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365BD0

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365BD0	#FFFFFF	#000000	##FFFFFF
##365BD0	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD4

Deuteranopia (green-blind)

#005DCE

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #365bd0;
/* rgb */ color: rgb(54, 91, 208);
/* oklch */ color: oklch(51.4% 0.186 266.5);

Tailwind

colors: {
  custom: {
    50: '#8288df',
    500: '#365bd0',
    950: '#000000',
  },
}

SCSS

$custom: #365bd0;
$custom-light: #8288df;
$custom-dark: #000000;

JSON

{
  "hex": "#365bd0",
  "rgb": {
    "r": 54,
    "g": 91,
    "b": 208
  },
  "hsl": {
    "h": 225.584,
    "s": 62.097,
    "l": 51.373
  },
  "oklch": {
    "l": 0.51445,
    "c": 0.18569,
    "h": 266.5
  },
  "luminance": 0.12821
}

Semantic roles & 50–950 ramp

primary

#365BD0

secondary

#D3C38F

accent

#BE43E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365BD0

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

Preview Lab → · Contrast checker → · Palette generator →