#365FB9#365FB9

#365FB9 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.5% C 0.150 H 263.5°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#365FB9
RGB	rgb(54, 95, 185)
HSL	hsl(221, 55%, 47%)
HSV	hsv(221, 71%, 73%)
CMYK	cmyk(70.8%, 48.6%, 0%, 27.5%)
CIE-LAB	lab(41.95, 16.55, -51.81)
CIE-LCH	lch(41.95, 54.39, 287.71°)
OKLab	oklab(50.53% -0.0168 -0.1486)
OKLCH	oklch(50.53% 0.15 263.5)
XYZ	xyz(14.3674, 12.4700, 47.5393)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FB9 #B99036

analogous

#36A1B9 #365FB9 #4E36B9

triadic

#365FB9 #B9365F #5FB936

tetradic

#365FB9 #B936A1 #B99036 #36B94E

square

#365FB9 #B936A1 #B99036 #36B94E

split-complementary

#365FB9 #B94E36 #A1B936

monochromatic

#1A2E5A #28478A #365FB9 #5D81D0 #8CA5DD

Accessibility & contrast

On white

6.01

#365FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#365FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FB9

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FB9	#FFFFFF	#000000	##FFFFFF
##365FB9	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D69BC

Deuteranopia (green-blind)

#055DB7

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #365fb9;
/* rgb */ color: rgb(54, 95, 185);
/* oklch */ color: oklch(50.5% 0.150 263.5);

Tailwind

colors: {
  custom: {
    50: '#7d8bcf',
    500: '#365fb9',
    950: '#000000',
  },
}

SCSS

$custom: #365fb9;
$custom-light: #7d8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#365fb9",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 185
  },
  "hsl": {
    "h": 221.221,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.50527,
    "c": 0.14958,
    "h": 263.5
  },
  "luminance": 0.12471
}

Semantic roles & 50–950 ramp

primary

#365FB9

secondary

#C8B283

accent

#B04ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #365FB9

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

Preview Lab → · Contrast checker → · Palette generator →