#365EB5#365EB5

#365EB5 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.145 H 263.5°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#365EB5
RGB	rgb(54, 94, 181)
HSL	hsl(221, 54%, 46%)
HSV	hsv(221, 70%, 71%)
CMYK	cmyk(70.2%, 48.1%, 0%, 29%)
CIE-LAB	lab(41.41, 15.71, -50.34)
CIE-LCH	lch(41.41, 52.73, 287.34°)
OKLab	oklab(50.03% -0.0165 -0.1443)
OKLCH	oklch(50.03% 0.145 263.5)
XYZ	xyz(13.8616, 12.1245, 45.3168)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365EB5 #B58D36

analogous

#369DB5 #365EB5 #4D36B5

triadic

#365EB5 #B5365E #5EB536

tetradic

#365EB5 #B5369D #B58D36 #36B54D

square

#365EB5 #B5369D #B58D36 #36B54D

split-complementary

#365EB5 #B54D36 #9DB536

monochromatic

#1A2D57 #284686 #365EB5 #5A7FCE #89A3DC

Accessibility & contrast

On white

6.13

#365EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#365EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365EB5

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365EB5	#FFFFFF	#000000	##FFFFFF
##365EB5	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F68B8

Deuteranopia (green-blind)

#0E5CB3

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #365eb5;
/* rgb */ color: rgb(54, 94, 181);
/* oklch */ color: oklch(50.0% 0.145 263.5);

Tailwind

colors: {
  custom: {
    50: '#7c8bcc',
    500: '#365eb5',
    950: '#000000',
  },
}

SCSS

$custom: #365eb5;
$custom-light: #7c8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#365eb5",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 181
  },
  "hsl": {
    "h": 221.102,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5003,
    "c": 0.14526,
    "h": 263.5
  },
  "luminance": 0.12126
}

Semantic roles & 50–950 ramp

primary

#365EB5

secondary

#C6B081

accent

#AF4ADD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #365EB5

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

Preview Lab → · Contrast checker → · Palette generator →