#365BB5#365BB5

#365BB5 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.4% C 0.149 H 264.7°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#365BB5
RGB	rgb(54, 91, 181)
HSL	hsl(223, 54%, 46%)
HSV	hsv(223, 70%, 71%)
CMYK	cmyk(70.2%, 49.7%, 0%, 29%)
CIE-LAB	lab(40.58, 17.66, -51.68)
CIE-LCH	lch(40.58, 54.62, 288.86°)
OKLab	oklab(49.39% -0.0138 -0.1483)
OKLCH	oklch(49.39% 0.149 264.7)
XYZ	xyz(13.6000, 11.6013, 45.2296)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365BB5 #B59036

analogous

#369AB5 #365BB5 #5036B5

triadic

#365BB5 #B5365B #5BB536

tetradic

#365BB5 #B5369A #B59036 #36B550

square

#365BB5 #B5369A #B59036 #36B550

split-complementary

#365BB5 #B55036 #9AB536

monochromatic

#1A2C57 #284386 #365BB5 #5A7CCE #89A1DC

Accessibility & contrast

On white

6.32

#365BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#365BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365BB5

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365BB5	#FFFFFF	#000000	##FFFFFF
##365BB5	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2866B8

Deuteranopia (green-blind)

#005AB3

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #365bb5;
/* rgb */ color: rgb(54, 91, 181);
/* oklch */ color: oklch(49.4% 0.149 264.7);

Tailwind

colors: {
  custom: {
    50: '#7c88cc',
    500: '#365bb5',
    950: '#000000',
  },
}

SCSS

$custom: #365bb5;
$custom-light: #7c88cc;
$custom-dark: #000000;

JSON

{
  "hex": "#365bb5",
  "rgb": {
    "r": 54,
    "g": 91,
    "b": 181
  },
  "hsl": {
    "h": 222.52,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4939,
    "c": 0.14898,
    "h": 264.7
  },
  "luminance": 0.11603
}

Semantic roles & 50–950 ramp

primary

#365BB5

secondary

#C6B281

accent

#B34ADD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #365BB5

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

Preview Lab → · Contrast checker → · Palette generator →