#365DC3#365DC3

#365DC3 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.166 H 265.2°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#365DC3
RGB	rgb(54, 93, 195)
HSL	hsl(223, 57%, 49%)
HSV	hsv(223, 72%, 76%)
CMYK	cmyk(72.3%, 52.3%, 0%, 23.5%)
CIE-LAB	lab(42.08, 21.54, -57.42)
CIE-LCH	lch(42.08, 61.33, 290.57°)
OKLab	oklab(50.84% -0.0139 -0.1652)
OKLCH	oklch(50.84% 0.166 265.2)
XYZ	xyz(15.2825, 12.5515, 53.2364)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DC3 #C39C36

analogous

#36A4C3 #365DC3 #5536C3

triadic

#365DC3 #C3365D #5DC336

tetradic

#365DC3 #C336A4 #C39C36 #36C355

square

#365DC3 #C336A4 #C39C36 #36C355

split-complementary

#365DC3 #C35536 #A4C336

monochromatic

#1B2F63 #294693 #365DC3 #6382D4 #92A8E1

Accessibility & contrast

On white

5.98

#365DC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#365DC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DC3

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DC3	#FFFFFF	#000000	##FFFFFF
##365DC3	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186AC7

Deuteranopia (green-blind)

#005DC1

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #365dc3;
/* rgb */ color: rgb(54, 93, 195);
/* oklch */ color: oklch(50.8% 0.166 265.2);

Tailwind

colors: {
  custom: {
    50: '#7f8ad6',
    500: '#365dc3',
    950: '#000000',
  },
}

SCSS

$custom: #365dc3;
$custom-light: #7f8ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#365dc3",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 195
  },
  "hsl": {
    "h": 223.404,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50839,
    "c": 0.16578,
    "h": 265.2
  },
  "luminance": 0.12553
}

Semantic roles & 50–950 ramp

primary

#365DC3

secondary

#CCB989

accent

#B648E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #365DC3

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

Preview Lab → · Contrast checker → · Palette generator →