#365FC9#365FC9

#365FC9 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.7% C 0.171 H 265.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#365FC9
RGB	rgb(54, 95, 201)
HSL	hsl(223, 58%, 50%)
HSV	hsv(223, 73%, 79%)
CMYK	cmyk(73.1%, 52.7%, 0%, 21.2%)
CIE-LAB	lab(43.04, 22.47, -59.34)
CIE-LCH	lch(43.04, 63.45, 290.74°)
OKLab	oklab(51.7% -0.015 -0.1708)
OKLCH	oklch(51.7% 0.171 265)
XYZ	xyz(16.1524, 13.1840, 56.9405)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FC9 #C9A036

analogous

#36A9C9 #365FC9 #5636C9

triadic

#365FC9 #C9365F #5FC936

tetradic

#365FC9 #C936A9 #C9A036 #36C956

square

#365FC9 #C936A9 #C9A036 #36C956

split-complementary

#365FC9 #C95636 #A9C936

monochromatic

#1C3169 #294899 #365FC9 #6685D6 #96ACE3

Accessibility & contrast

On white

5.77

#365FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#365FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FC9

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FC9	#FFFFFF	#000000	##FFFFFF
##365FC9	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#136DCD

Deuteranopia (green-blind)

#005FC7

Tritanopia (blue-blind)

#00798B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #365fc9;
/* rgb */ color: rgb(54, 95, 201);
/* oklch */ color: oklch(51.7% 0.171 265.0);

Tailwind

colors: {
  custom: {
    50: '#808bda',
    500: '#365fc9',
    950: '#000000',
  },
}

SCSS

$custom: #365fc9;
$custom-light: #808bda;
$custom-dark: #000000;

JSON

{
  "hex": "#365fc9",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 201
  },
  "hsl": {
    "h": 223.265,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.517,
    "c": 0.17146,
    "h": 265
  },
  "luminance": 0.13186
}

Semantic roles & 50–950 ramp

primary

#365FC9

secondary

#CEBC8C

accent

#B647E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #365FC9

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

Preview Lab → · Contrast checker → · Palette generator →