#365BB9#365BB9

#365BB9 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.155 H 265.1°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#365BB9
RGB	rgb(54, 91, 185)
HSL	hsl(223, 55%, 47%)
HSV	hsv(223, 71%, 73%)
CMYK	cmyk(70.8%, 50.8%, 0%, 27.5%)
CIE-LAB	lab(40.84, 19.14, -53.59)
CIE-LCH	lch(40.84, 56.91, 289.65°)
OKLab	oklab(49.68% -0.0133 -0.1539)
OKLCH	oklch(49.68% 0.155 265.1)
XYZ	xyz(14.0163, 11.7678, 47.4223)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365BB9 #B99436

analogous

#369DB9 #365BB9 #5236B9

triadic

#365BB9 #B9365B #5BB936

tetradic

#365BB9 #B9369D #B99436 #36B952

square

#365BB9 #B9369D #B99436 #36B952

split-complementary

#365BB9 #B95236 #9DB936

monochromatic

#1A2C5A #28448A #365BB9 #5D7DD0 #8CA3DD

Accessibility & contrast

On white

6.26

#365BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#365BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365BB9

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365BB9	#FFFFFF	#000000	##FFFFFF
##365BB9	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2267BC

Deuteranopia (green-blind)

#005BB7

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #365bb9;
/* rgb */ color: rgb(54, 91, 185);
/* oklch */ color: oklch(49.7% 0.155 265.1);

Tailwind

colors: {
  custom: {
    50: '#7d88cf',
    500: '#365bb9',
    950: '#000000',
  },
}

SCSS

$custom: #365bb9;
$custom-light: #7d88cf;
$custom-dark: #000000;

JSON

{
  "hex": "#365bb9",
  "rgb": {
    "r": 54,
    "g": 91,
    "b": 185
  },
  "hsl": {
    "h": 223.053,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49681,
    "c": 0.15452,
    "h": 265.1
  },
  "luminance": 0.11769
}

Semantic roles & 50–950 ramp

primary

#365BB9

secondary

#C8B483

accent

#B44ADE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #365BB9

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

Preview Lab → · Contrast checker → · Palette generator →