#365CD9#365CD9

#365CD9 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.4% C 0.196 H 266.6°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#365CD9
RGB	rgb(54, 92, 217)
HSL	hsl(226, 68%, 53%)
HSV	hsv(226, 75%, 85%)
CMYK	cmyk(75.1%, 57.6%, 0%, 14.9%)
CIE-LAB	lab(43.43, 30.28, -67.89)
CIE-LCH	lch(43.43, 74.34, 294.03°)
OKLab	oklab(52.36% -0.0118 -0.196)
OKLCH	oklch(52.36% 0.196 266.6)
XYZ	xyz(17.8685, 13.4463, 67.2859)
Luminance	0.1345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CD9 #D9B336

analogous

#36AED9 #365CD9 #6136D9

triadic

#365CD9 #D9365C #5CD936

tetradic

#365CD9 #D936AE #D9B336 #36D961

square

#365CD9 #D936AE #D9B336 #36D961

split-complementary

#365CD9 #D96136 #AED936

monochromatic

#182F7D #2143B0 #365CD9 #6986E3 #9DAFEC

Accessibility & contrast

On white

5.69

#365CD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#365CD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CD9

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CD9	#FFFFFF	#000000	##FFFFFF
##365CD9	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDD

Deuteranopia (green-blind)

#005FD7

Tritanopia (blue-blind)

#007B91

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #365cd9;
/* rgb */ color: rgb(54, 92, 217);
/* oklch */ color: oklch(52.4% 0.196 266.6);

Tailwind

colors: {
  custom: {
    50: '#8489e6',
    500: '#365cd9',
    950: '#000000',
  },
}

SCSS

$custom: #365cd9;
$custom-light: #8489e6;
$custom-dark: #000000;

JSON

{
  "hex": "#365cd9",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 217
  },
  "hsl": {
    "h": 226.012,
    "s": 68.201,
    "l": 53.137
  },
  "oklch": {
    "l": 0.52363,
    "c": 0.19633,
    "h": 266.6
  },
  "luminance": 0.13448
}

Semantic roles & 50–950 ramp

primary

#365CD9

secondary

#D9C892

accent

#C23DEB

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #365CD9

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

Preview Lab → · Contrast checker → · Palette generator →