#365CB2#365CB2

#365CB2 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.144 H 264.0°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#365CB2
RGB	rgb(54, 92, 178)
HSL	hsl(222, 53%, 45%)
HSV	hsv(222, 70%, 70%)
CMYK	cmyk(69.7%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(40.66, 15.90, -49.79)
CIE-LCH	lch(40.66, 52.27, 287.71°)
OKLab	oklab(49.39% -0.0151 -0.1427)
OKLCH	oklch(49.39% 0.144 264)
XYZ	xyz(13.3815, 11.6516, 43.6546)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CB2 #B28C36

analogous

#369AB2 #365CB2 #4E36B2

triadic

#365CB2 #B2365C #5CB236

tetradic

#365CB2 #B2369A #B28C36 #36B24E

square

#365CB2 #B2369A #B28C36 #36B24E

split-complementary

#365CB2 #B24E36 #9AB236

monochromatic

#1A2B54 #284483 #365CB2 #597CCD #88A1DB

Accessibility & contrast

On white

6.31

#365CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#365CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CB2

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CB2	#FFFFFF	#000000	##FFFFFF
##365CB2	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E66B5

Deuteranopia (green-blind)

#0D5AB0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #365cb2;
/* rgb */ color: rgb(54, 92, 178);
/* oklch */ color: oklch(49.4% 0.144 264.0);

Tailwind

colors: {
  custom: {
    50: '#7c89ca',
    500: '#365cb2',
    950: '#000000',
  },
}

SCSS

$custom: #365cb2;
$custom-light: #7c89ca;
$custom-dark: #000000;

JSON

{
  "hex": "#365cb2",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 221.613,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49389,
    "c": 0.14355,
    "h": 264
  },
  "luminance": 0.11653
}

Semantic roles & 50–950 ramp

primary

#365CB2

secondary

#C5AF7F

accent

#B04BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #365CB2

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

Preview Lab → · Contrast checker → · Palette generator →