#365DD4#365DD4

#365DD4 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.189 H 266.1°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#365DD4
RGB	rgb(54, 93, 212)
HSL	hsl(225, 65%, 52%)
HSV	hsv(225, 75%, 83%)
CMYK	cmyk(74.5%, 56.1%, 0%, 16.9%)
CIE-LAB	lab(43.31, 27.81, -65.23)
CIE-LCH	lch(43.31, 70.91, 293.09°)
OKLab	oklab(52.15% -0.0127 -0.1882)
OKLCH	oklch(52.15% 0.189 266.1)
XYZ	xyz(17.3152, 13.3645, 63.9416)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DD4 #D4AD36

analogous

#36ACD4 #365DD4 #5E36D4

triadic

#365DD4 #D4365D #5DD436

tetradic

#365DD4 #D436AC #D4AD36 #36D45E

square

#365DD4 #D436AC #D4AD36 #36D45E

split-complementary

#365DD4 #D45E36 #ACD436

monochromatic

#193076 #2445A9 #365DD4 #6886DF #9BAEEA

Accessibility & contrast

On white

5.72

#365DD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#365DD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DD4

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DD4	#FFFFFF	#000000	##FFFFFF
##365DD4	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED8

Deuteranopia (green-blind)

#005FD2

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #365dd4;
/* rgb */ color: rgb(54, 93, 212);
/* oklch */ color: oklch(52.2% 0.189 266.1);

Tailwind

colors: {
  custom: {
    50: '#838ae2',
    500: '#365dd4',
    950: '#000000',
  },
}

SCSS

$custom: #365dd4;
$custom-light: #838ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#365dd4",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 212
  },
  "hsl": {
    "h": 225.19,
    "s": 64.754,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52154,
    "c": 0.18858,
    "h": 266.1
  },
  "luminance": 0.13366
}

Semantic roles & 50–950 ramp

primary

#365DD4

secondary

#D5C490

accent

#BE40E8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #365DD4

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

Preview Lab → · Contrast checker → · Palette generator →