#365EC5#365EC5

#365EC5 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.167 H 265.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#365EC5
RGB	rgb(54, 94, 197)
HSL	hsl(223, 57%, 49%)
HSV	hsv(223, 73%, 77%)
CMYK	cmyk(72.6%, 52.3%, 0%, 22.7%)
CIE-LAB	lab(42.49, 21.64, -57.92)
CIE-LCH	lch(42.49, 61.83, 290.49°)
OKLab	oklab(51.19% -0.0145 -0.1666)
OKLCH	oklch(51.19% 0.167 265)
XYZ	xyz(15.5985, 12.8192, 54.4648)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365EC5 #C59D36

analogous

#36A6C5 #365EC5 #5636C5

triadic

#365EC5 #C5365E #5EC536

tetradic

#365EC5 #C536A6 #C59D36 #36C556

square

#365EC5 #C536A6 #C59D36 #36C556

split-complementary

#365EC5 #C55636 #A6C536

monochromatic

#1C3065 #294795 #365EC5 #6483D4 #94AAE2

Accessibility & contrast

On white

5.89

#365EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#365EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365EC5

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365EC5	#FFFFFF	#000000	##FFFFFF
##365EC5	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186BC9

Deuteranopia (green-blind)

#005EC3

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #365ec5;
/* rgb */ color: rgb(54, 94, 197);
/* oklch */ color: oklch(51.2% 0.167 265.0);

Tailwind

colors: {
  custom: {
    50: '#808bd7',
    500: '#365ec5',
    950: '#000000',
  },
}

SCSS

$custom: #365ec5;
$custom-light: #808bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#365ec5",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 197
  },
  "hsl": {
    "h": 223.217,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51194,
    "c": 0.16726,
    "h": 265
  },
  "luminance": 0.12821
}

Semantic roles & 50–950 ramp

primary

#365EC5

secondary

#CDBA8A

accent

#B648E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #365EC5

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

Preview Lab → · Contrast checker → · Palette generator →