#365FC3#365FC3

#365FC3 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.163 H 264.5°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#365FC3
RGB	rgb(54, 95, 195)
HSL	hsl(223, 57%, 49%)
HSV	hsv(223, 72%, 76%)
CMYK	cmyk(72.3%, 51.3%, 0%, 23.5%)
CIE-LAB	lab(42.62, 20.25, -56.54)
CIE-LCH	lch(42.62, 60.06, 289.71°)
OKLab	oklab(51.25% -0.0156 -0.1626)
OKLCH	oklch(51.25% 0.163 264.5)
XYZ	xyz(15.4604, 12.9072, 53.2957)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FC3 #C39A36

analogous

#36A6C3 #365FC3 #5336C3

triadic

#365FC3 #C3365F #5FC336

tetradic

#365FC3 #C336A6 #C39A36 #36C353

square

#365FC3 #C336A6 #C39A36 #36C353

split-complementary

#365FC3 #C35336 #A6C336

monochromatic

#1B3063 #294893 #365FC3 #6383D4 #92A9E1

Accessibility & contrast

On white

5.86

#365FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#365FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FC3

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FC3	#FFFFFF	#000000	##FFFFFF
##365FC3	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206BC7

Deuteranopia (green-blind)

#005EC1

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365fc3;
/* rgb */ color: rgb(54, 95, 195);
/* oklch */ color: oklch(51.3% 0.163 264.5);

Tailwind

colors: {
  custom: {
    50: '#7f8bd6',
    500: '#365fc3',
    950: '#000000',
  },
}

SCSS

$custom: #365fc3;
$custom-light: #7f8bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#365fc3",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 195
  },
  "hsl": {
    "h": 222.553,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51251,
    "c": 0.16331,
    "h": 264.5
  },
  "luminance": 0.12909
}

Semantic roles & 50–950 ramp

primary

#365FC3

secondary

#CCB889

accent

#B448E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #365FC3

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

Preview Lab → · Contrast checker → · Palette generator →