#365BBC#365BBC

#365BBC is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.9% C 0.159 H 265.3°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#365BBC
RGB	rgb(54, 91, 188)
HSL	hsl(223, 55%, 47%)
HSV	hsv(223, 71%, 74%)
CMYK	cmyk(71.3%, 51.6%, 0%, 26.3%)
CIE-LAB	lab(41.05, 20.25, -55.01)
CIE-LCH	lch(41.05, 58.62, 290.21°)
OKLab	oklab(49.9% -0.013 -0.1581)
OKLCH	oklch(49.9% 0.159 265.3)
XYZ	xyz(14.3363, 11.8958, 49.1078)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365BBC #BC9736

analogous

#369EBC #365BBC #5436BC

triadic

#365BBC #BC365B #5BBC36

tetradic

#365BBC #BC369E #BC9736 #36BC54

square

#365BBC #BC369E #BC9736 #36BC54

split-complementary

#365BBC #BC5436 #9EBC36

monochromatic

#1B2D5D #28448C #365BBC #5E7ED1 #8EA4DF

Accessibility & contrast

On white

6.21

#365BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#365BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365BBC

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365BBC	#FFFFFF	#000000	##FFFFFF
##365BBC	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E67BF

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #365bbc;
/* rgb */ color: rgb(54, 91, 188);
/* oklch */ color: oklch(49.9% 0.159 265.3);

Tailwind

colors: {
  custom: {
    50: '#7e88d1',
    500: '#365bbc',
    950: '#000000',
  },
}

SCSS

$custom: #365bbc;
$custom-light: #7e88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#365bbc",
  "rgb": {
    "r": 54,
    "g": 91,
    "b": 188
  },
  "hsl": {
    "h": 223.433,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49903,
    "c": 0.15867,
    "h": 265.3
  },
  "luminance": 0.11897
}

Semantic roles & 50–950 ramp

primary

#365BBC

secondary

#C9B685

accent

#B549DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #365BBC

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

Preview Lab → · Contrast checker → · Palette generator →