#365CBC#365CBC

#365CBC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.157 H 265.0°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#365CBC
RGB	rgb(54, 92, 188)
HSL	hsl(223, 55%, 47%)
HSV	hsv(223, 71%, 74%)
CMYK	cmyk(71.3%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(41.32, 19.60, -54.57)
CIE-LCH	lch(41.32, 57.99, 289.76°)
OKLab	oklab(50.11% -0.0138 -0.1568)
OKLCH	oklch(50.11% 0.157 265)
XYZ	xyz(14.4224, 12.0679, 49.1365)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365CBC #BC9636

analogous

#369FBC #365CBC #5336BC

triadic

#365CBC #BC365C #5CBC36

tetradic

#365CBC #BC369F #BC9636 #36BC53

square

#365CBC #BC369F #BC9636 #36BC53

split-complementary

#365CBC #BC5336 #9FBC36

monochromatic

#1B2D5D #28458C #365CBC #5E7FD1 #8EA5DF

Accessibility & contrast

On white

6.15

#365CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#365CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365CBC

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365CBC	#FFFFFF	#000000	##FFFFFF
##365CBC	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2168BF

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #365cbc;
/* rgb */ color: rgb(54, 92, 188);
/* oklch */ color: oklch(50.1% 0.157 265.0);

Tailwind

colors: {
  custom: {
    50: '#7e89d1',
    500: '#365cbc',
    950: '#000000',
  },
}

SCSS

$custom: #365cbc;
$custom-light: #7e89d1;
$custom-dark: #000000;

JSON

{
  "hex": "#365cbc",
  "rgb": {
    "r": 54,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 222.985,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.50111,
    "c": 0.15743,
    "h": 265
  },
  "luminance": 0.12069
}

Semantic roles & 50–950 ramp

primary

#365CBC

secondary

#C9B685

accent

#B449DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #365CBC

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

Preview Lab → · Contrast checker → · Palette generator →