#365DD1#365DD1

#365DD1 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.185 H 266.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#365DD1
RGB	rgb(54, 93, 209)
HSL	hsl(225, 63%, 52%)
HSV	hsv(225, 74%, 82%)
CMYK	cmyk(74.2%, 55.5%, 0%, 18%)
CIE-LAB	lab(43.08, 26.71, -63.87)
CIE-LCH	lch(43.08, 69.23, 292.69°)
OKLab	oklab(51.92% -0.0128 -0.1841)
OKLCH	oklch(51.92% 0.185 266)
XYZ	xyz(16.9403, 13.2146, 61.9671)
Luminance	0.1322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DD1 #D1AA36

analogous

#36ABD1 #365DD1 #5D36D1

triadic

#365DD1 #D1365D #5DD136

tetradic

#365DD1 #D136AB #D1AA36 #36D15D

square

#365DD1 #D136AB #D1AA36 #36D15D

split-complementary

#365DD1 #D15D36 #ABD136

monochromatic

#1A3072 #2645A4 #365DD1 #6885DC #9AADE8

Accessibility & contrast

On white

5.76

#365DD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#365DD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DD1

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DD1	#FFFFFF	#000000	##FFFFFF
##365DD1	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD5

Deuteranopia (green-blind)

#005FCF

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #365dd1;
/* rgb */ color: rgb(54, 93, 209);
/* oklch */ color: oklch(51.9% 0.185 266.0);

Tailwind

colors: {
  custom: {
    50: '#828ae0',
    500: '#365dd1',
    950: '#000000',
  },
}

SCSS

$custom: #365dd1;
$custom-light: #828ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#365dd1",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 209
  },
  "hsl": {
    "h": 224.903,
    "s": 62.753,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51916,
    "c": 0.1846,
    "h": 266
  },
  "luminance": 0.13216
}

Semantic roles & 50–950 ramp

primary

#365DD1

secondary

#D3C28F

accent

#BD42E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365DD1

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

Preview Lab → · Contrast checker → · Palette generator →