#365FC4#365FC4

#365FC4 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.3% C 0.165 H 264.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#365FC4
RGB	rgb(54, 95, 196)
HSL	hsl(223, 57%, 49%)
HSV	hsv(223, 72%, 77%)
CMYK	cmyk(72.4%, 51.5%, 0%, 23.1%)
CIE-LAB	lab(42.69, 20.62, -57.01)
CIE-LCH	lch(42.69, 60.63, 289.89°)
OKLab	oklab(51.33% -0.0155 -0.164)
OKLCH	oklch(51.33% 0.165 264.6)
XYZ	xyz(15.5738, 12.9526, 53.8932)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FC4 #C49B36

analogous

#36A6C4 #365FC4 #5436C4

triadic

#365FC4 #C4365F #5FC436

tetradic

#365FC4 #C436A6 #C49B36 #36C454

square

#365FC4 #C436A6 #C49B36 #36C454

split-complementary

#365FC4 #C45436 #A6C436

monochromatic

#1C3064 #294894 #365FC4 #6384D4 #93AAE1

Accessibility & contrast

On white

5.85

#365FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#365FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FC4

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FC4	#FFFFFF	#000000	##FFFFFF
##365FC4	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E6CC8

Deuteranopia (green-blind)

#005FC2

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365fc4;
/* rgb */ color: rgb(54, 95, 196);
/* oklch */ color: oklch(51.3% 0.165 264.6);

Tailwind

colors: {
  custom: {
    50: '#7f8bd7',
    500: '#365fc4',
    950: '#000000',
  },
}

SCSS

$custom: #365fc4;
$custom-light: #7f8bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#365fc4",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 196
  },
  "hsl": {
    "h": 222.676,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.51325,
    "c": 0.16468,
    "h": 264.6
  },
  "luminance": 0.12954
}

Semantic roles & 50–950 ramp

primary

#365FC4

secondary

#CCB989

accent

#B448E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #365FC4

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

Preview Lab → · Contrast checker → · Palette generator →