#365CCC#365CCC

#365CCC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.179 H 266.0°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#365CCC
RGB	rgb(54, 92, 204)
HSL	hsl(225, 60%, 51%)
HSV	hsv(225, 74%, 80%)
CMYK	cmyk(73.5%, 54.9%, 0%, 20%)
CIE-LAB	lab(42.45, 25.51, -62.02)
CIE-LCH	lch(42.45, 67.06, 292.36°)
OKLab	oklab(51.33% -0.0124 -0.1787)
OKLCH	oklch(51.33% 0.179 266)
XYZ	xyz(16.2437, 12.7964, 58.7289)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CCC #CCA636

analogous

#36A7CC #365CCC #5B36CC

triadic

#365CCC #CC365C #5CCC36

tetradic

#365CCC #CC36A7 #CCA636 #36CC5B

square

#365CCC #CC36A7 #CCA636 #36CC5B

split-complementary

#365CCC #CC5B36 #A7CC36

monochromatic

#1B306C #28469D #365CCC #6784D8 #98ABE5

Accessibility & contrast

On white

5.90

#365CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#365CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CCC

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CCC	#FFFFFF	#000000	##FFFFFF
##365CCC	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #365ccc;
/* rgb */ color: rgb(54, 92, 204);
/* oklch */ color: oklch(51.3% 0.179 266.0);

Tailwind

colors: {
  custom: {
    50: '#8189dc',
    500: '#365ccc',
    950: '#000000',
  },
}

SCSS

$custom: #365ccc;
$custom-light: #8189dc;
$custom-dark: #000000;

JSON

{
  "hex": "#365ccc",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 204
  },
  "hsl": {
    "h": 224.8,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51326,
    "c": 0.17915,
    "h": 266
  },
  "luminance": 0.12798
}

Semantic roles & 50–950 ramp

primary

#365CCC

secondary

#D0BF8E

accent

#BB45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365CCC

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

Preview Lab → · Contrast checker → · Palette generator →