#365FC8#365FC8

#365FC8 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.170 H 264.9°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#365FC8
RGB	rgb(54, 95, 200)
HSL	hsl(223, 57%, 50%)
HSV	hsv(223, 73%, 78%)
CMYK	cmyk(73%, 52.5%, 0%, 21.6%)
CIE-LAB	lab(42.97, 22.10, -58.88)
CIE-LCH	lch(42.97, 62.89, 290.58°)
OKLab	oklab(51.62% -0.0151 -0.1694)
OKLCH	oklch(51.62% 0.17 264.9)
XYZ	xyz(16.0352, 13.1371, 56.3230)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FC8 #C89F36

analogous

#36A8C8 #365FC8 #5636C8

triadic

#365FC8 #C8365F #5FC836

tetradic

#365FC8 #C836A8 #C89F36 #36C856

square

#365FC8 #C836A8 #C89F36 #36C856

split-complementary

#365FC8 #C85636 #A8C836

monochromatic

#1C3168 #294898 #365FC8 #6685D6 #96ABE3

Accessibility & contrast

On white

5.79

#365FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#365FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FC8

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FC8	#FFFFFF	#000000	##FFFFFF
##365FC8	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#156DCC

Deuteranopia (green-blind)

#005FC6

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365fc8;
/* rgb */ color: rgb(54, 95, 200);
/* oklch */ color: oklch(51.6% 0.170 264.9);

Tailwind

colors: {
  custom: {
    50: '#808bd9',
    500: '#365fc8',
    950: '#000000',
  },
}

SCSS

$custom: #365fc8;
$custom-light: #808bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#365fc8",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 200
  },
  "hsl": {
    "h": 223.151,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51624,
    "c": 0.1701,
    "h": 264.9
  },
  "luminance": 0.13139
}

Semantic roles & 50–950 ramp

primary

#365FC8

secondary

#CEBB8C

accent

#B647E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #365FC8

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

Preview Lab → · Contrast checker → · Palette generator →