#365BCC#365BCC

#365BCC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.180 H 266.3°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#365BCC
RGB	rgb(54, 91, 204)
HSL	hsl(225, 60%, 51%)
HSV	hsv(225, 74%, 80%)
CMYK	cmyk(73.5%, 55.4%, 0%, 20%)
CIE-LAB	lab(42.19, 26.16, -62.45)
CIE-LCH	lch(42.19, 67.70, 292.73°)
OKLab	oklab(51.13% -0.0117 -0.18)
OKLCH	oklch(51.13% 0.18 266.3)
XYZ	xyz(16.1577, 12.6243, 58.7002)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365BCC #CCA736

analogous

#36A6CC #365BCC #5C36CC

triadic

#365BCC #CC365B #5BCC36

tetradic

#365BCC #CC36A6 #CCA736 #36CC5C

square

#365BCC #CC36A6 #CCA736 #36CC5C

split-complementary

#365BCC #CC5C36 #A6CC36

monochromatic

#1B2F6C #28459D #365BCC #6783D8 #98ABE5

Accessibility & contrast

On white

5.96

#365BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#365BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365BCC

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365BCC	#FFFFFF	#000000	##FFFFFF
##365BCC	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #365bcc;
/* rgb */ color: rgb(54, 91, 204);
/* oklch */ color: oklch(51.1% 0.180 266.3);

Tailwind

colors: {
  custom: {
    50: '#8188dc',
    500: '#365bcc',
    950: '#000000',
  },
}

SCSS

$custom: #365bcc;
$custom-light: #8188dc;
$custom-dark: #000000;

JSON

{
  "hex": "#365bcc",
  "rgb": {
    "r": 54,
    "g": 91,
    "b": 204
  },
  "hsl": {
    "h": 225.2,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51128,
    "c": 0.18037,
    "h": 266.3
  },
  "luminance": 0.12626
}

Semantic roles & 50–950 ramp

primary

#365BCC

secondary

#D0C08E

accent

#BC45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365BCC

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

Preview Lab → · Contrast checker → · Palette generator →