#365FD5#365FD5

#365FD5 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.6% C 0.187 H 265.7°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#365FD5
RGB	rgb(54, 95, 213)
HSL	hsl(225, 65%, 52%)
HSV	hsv(225, 75%, 84%)
CMYK	cmyk(74.6%, 55.4%, 0%, 16.5%)
CIE-LAB	lab(43.90, 26.89, -64.83)
CIE-LCH	lch(43.90, 70.19, 292.53°)
OKLab	oklab(52.62% -0.0141 -0.187)
OKLCH	oklch(52.62% 0.187 265.7)
XYZ	xyz(17.6195, 13.7708, 64.6673)
Luminance	0.1377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FD5 #D5AC36

analogous

#36AFD5 #365FD5 #5C36D5

triadic

#365FD5 #D5365F #5FD536

tetradic

#365FD5 #D536AF #D5AC36 #36D55C

square

#365FD5 #D536AF #D5AC36 #36D55C

split-complementary

#365FD5 #D55C36 #AFD536

monochromatic

#193178 #2446AA #365FD5 #6987E0 #9BB0EA

Accessibility & contrast

On white

5.59

#365FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#365FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FD5

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FD5	#FFFFFF	#000000	##FFFFFF
##365FD5	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD9

Deuteranopia (green-blind)

#0061D3

Tritanopia (blue-blind)

#007C91

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #365fd5;
/* rgb */ color: rgb(54, 95, 213);
/* oklch */ color: oklch(52.6% 0.187 265.7);

Tailwind

colors: {
  custom: {
    50: '#838be3',
    500: '#365fd5',
    950: '#000000',
  },
}

SCSS

$custom: #365fd5;
$custom-light: #838be3;
$custom-dark: #000000;

JSON

{
  "hex": "#365fd5",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 213
  },
  "hsl": {
    "h": 224.528,
    "s": 65.432,
    "l": 52.353
  },
  "oklch": {
    "l": 0.52624,
    "c": 0.18749,
    "h": 265.7
  },
  "luminance": 0.13773
}

Semantic roles & 50–950 ramp

primary

#365FD5

secondary

#D6C491

accent

#BD3FE8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C15

muted

#7D7D84

Preview Lab

Preview with #365FD5

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

Preview Lab → · Contrast checker → · Palette generator →