#365DCC#365DCC

#365DCC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.178 H 265.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#365DCC
RGB	rgb(54, 93, 204)
HSL	hsl(224, 60%, 51%)
HSV	hsv(224, 74%, 80%)
CMYK	cmyk(73.5%, 54.4%, 0%, 20%)
CIE-LAB	lab(42.72, 24.87, -61.59)
CIE-LCH	lch(42.72, 66.42, 291.99°)
OKLab	oklab(51.53% -0.0132 -0.1774)
OKLCH	oklch(51.53% 0.178 265.8)
XYZ	xyz(16.3309, 12.9708, 58.7580)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365DCC #CCA536

analogous

#36A8CC #365DCC #5A36CC

triadic

#365DCC #CC365D #5DCC36

tetradic

#365DCC #CC36A8 #CCA536 #36CC5A

square

#365DCC #CC36A8 #CCA536 #36CC5A

split-complementary

#365DCC #CC5A36 #A8CC36

monochromatic

#1B306C #28469D #365DCC #6784D8 #98ACE5

Accessibility & contrast

On white

5.84

#365DCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#365DCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365DCC

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365DCC	#FFFFFF	#000000	##FFFFFF
##365DCC	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #365dcc;
/* rgb */ color: rgb(54, 93, 204);
/* oklch */ color: oklch(51.5% 0.178 265.8);

Tailwind

colors: {
  custom: {
    50: '#818adc',
    500: '#365dcc',
    950: '#000000',
  },
}

SCSS

$custom: #365dcc;
$custom-light: #818adc;
$custom-dark: #000000;

JSON

{
  "hex": "#365dcc",
  "rgb": {
    "r": 54,
    "g": 93,
    "b": 204
  },
  "hsl": {
    "h": 224.4,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51525,
    "c": 0.17793,
    "h": 265.8
  },
  "luminance": 0.12973
}

Semantic roles & 50–950 ramp

primary

#365DCC

secondary

#D0BF8E

accent

#BA45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365DCC

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

Preview Lab → · Contrast checker → · Palette generator →