#365DC4#365DC4

#365DC4 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.167 H 265.3°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#365DC4
RGB	rgb(54, 93, 196)
HSL	hsl(224, 57%, 49%)
HSV	hsv(224, 72%, 77%)
CMYK	cmyk(72.4%, 52.6%, 0%, 23.1%)
CIE-LAB	lab(42.15, 21.91, -57.89)
CIE-LCH	lch(42.15, 61.90, 290.73°)
OKLab	oklab(50.91% -0.0138 -0.1666)
OKLCH	oklch(50.91% 0.167 265.3)
XYZ	xyz(15.3960, 12.5969, 53.8339)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DC4 #C49D36

analogous

#36A4C4 #365DC4 #5636C4

triadic

#365DC4 #C4365D #5DC436

tetradic

#365DC4 #C436A4 #C49D36 #36C456

square

#365DC4 #C436A4 #C49D36 #36C456

split-complementary

#365DC4 #C45636 #A4C436

monochromatic

#1C2F64 #294694 #365DC4 #6382D4 #93A9E1

Accessibility & contrast

On white

5.97

#365DC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#365DC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DC4

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DC4	#FFFFFF	#000000	##FFFFFF
##365DC4	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#156AC8

Deuteranopia (green-blind)

#005DC2

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #365dc4;
/* rgb */ color: rgb(54, 93, 196);
/* oklch */ color: oklch(50.9% 0.167 265.3);

Tailwind

colors: {
  custom: {
    50: '#7f8ad7',
    500: '#365dc4',
    950: '#000000',
  },
}

SCSS

$custom: #365dc4;
$custom-light: #7f8ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#365dc4",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 196
  },
  "hsl": {
    "h": 223.521,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50914,
    "c": 0.16713,
    "h": 265.3
  },
  "luminance": 0.12598
}

Semantic roles & 50–950 ramp

primary

#365DC4

secondary

#CCBA89

accent

#B648E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #365DC4

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

Preview Lab → · Contrast checker → · Palette generator →