#365FCA#365FCA

#365FCA is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.173 H 265.1°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#365FCA
RGB	rgb(54, 95, 202)
HSL	hsl(223, 58%, 50%)
HSV	hsv(223, 73%, 79%)
CMYK	cmyk(73.3%, 53%, 0%, 20.8%)
CIE-LAB	lab(43.11, 22.84, -59.80)
CIE-LCH	lch(43.11, 64.02, 290.90°)
OKLab	oklab(51.78% -0.0149 -0.1722)
OKLCH	oklch(51.78% 0.173 265.1)
XYZ	xyz(16.2704, 13.2312, 57.5621)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365FCA #CAA136

analogous

#36A9CA #365FCA #5736CA

triadic

#365FCA #CA365F #5FCA36

tetradic

#365FCA #CA36A9 #CAA136 #36CA57

square

#365FCA #CA36A9 #CAA136 #36CA57

split-complementary

#365FCA #CA5736 #A9CA36

monochromatic

#1C316A #29489A #365FCA #6686D7 #97ACE4

Accessibility & contrast

On white

5.76

#365FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#365FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365FCA

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365FCA	#FFFFFF	#000000	##FFFFFF
##365FCA	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#106DCE

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#00798B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #365fca;
/* rgb */ color: rgb(54, 95, 202);
/* oklch */ color: oklch(51.8% 0.173 265.1);

Tailwind

colors: {
  custom: {
    50: '#818bdb',
    500: '#365fca',
    950: '#000000',
  },
}

SCSS

$custom: #365fca;
$custom-light: #818bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#365fca",
  "rgb": {
    "r": 54,
    "g": 95,
    "b": 202
  },
  "hsl": {
    "h": 223.378,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51775,
    "c": 0.1728,
    "h": 265.1
  },
  "luminance": 0.13233
}

Semantic roles & 50–950 ramp

primary

#365FCA

secondary

#CFBD8D

accent

#B646E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #365FCA

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

Preview Lab → · Contrast checker → · Palette generator →