#365FC5#365FC5

#365FC5 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.166 H 264.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#365FC5
RGB	rgb(54, 95, 197)
HSL	hsl(223, 57%, 49%)
HSV	hsv(223, 73%, 77%)
CMYK	cmyk(72.6%, 51.8%, 0%, 22.7%)
CIE-LAB	lab(42.76, 20.99, -57.48)
CIE-LCH	lch(42.76, 61.19, 290.06°)
OKLab	oklab(51.4% -0.0154 -0.1653)
OKLCH	oklch(51.4% 0.166 264.7)
XYZ	xyz(15.6880, 12.9982, 54.4946)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FC5 #C59C36

analogous

#36A7C5 #365FC5 #5536C5

triadic

#365FC5 #C5365F #5FC536

tetradic

#365FC5 #C536A7 #C59C36 #36C555

square

#365FC5 #C536A7 #C59C36 #36C555

split-complementary

#365FC5 #C55536 #A7C536

monochromatic

#1C3165 #294895 #365FC5 #6484D4 #94AAE2

Accessibility & contrast

On white

5.83

#365FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#365FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FC5

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FC5	#FFFFFF	#000000	##FFFFFF
##365FC5	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C6CC9

Deuteranopia (green-blind)

#005FC3

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365fc5;
/* rgb */ color: rgb(54, 95, 197);
/* oklch */ color: oklch(51.4% 0.166 264.7);

Tailwind

colors: {
  custom: {
    50: '#808bd7',
    500: '#365fc5',
    950: '#000000',
  },
}

SCSS

$custom: #365fc5;
$custom-light: #808bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#365fc5",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 197
  },
  "hsl": {
    "h": 222.797,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.514,
    "c": 0.16603,
    "h": 264.7
  },
  "luminance": 0.13
}

Semantic roles & 50–950 ramp

primary

#365FC5

secondary

#CDBA8A

accent

#B448E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #365FC5

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

Preview Lab → · Contrast checker → · Palette generator →