#365EC3#365EC3

#365EC3 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.165 H 264.9°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#365EC3
RGB	rgb(54, 94, 195)
HSL	hsl(223, 57%, 49%)
HSV	hsv(223, 72%, 76%)
CMYK	cmyk(72.3%, 51.8%, 0%, 23.5%)
CIE-LAB	lab(42.35, 20.90, -56.98)
CIE-LCH	lch(42.35, 60.70, 290.14°)
OKLab	oklab(51.04% -0.0147 -0.1639)
OKLCH	oklch(51.04% 0.165 264.9)
XYZ	xyz(15.3709, 12.7282, 53.2659)
Luminance	0.1273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365EC3 #C39B36

analogous

#36A5C3 #365EC3 #5536C3

triadic

#365EC3 #C3365E #5EC336

tetradic

#365EC3 #C336A5 #C39B36 #36C355

square

#365EC3 #C336A5 #C39B36 #36C355

split-complementary

#365EC3 #C35536 #A5C336

monochromatic

#1B3063 #294793 #365EC3 #6383D4 #92A9E1

Accessibility & contrast

On white

5.92

#365EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#365EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365EC3

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365EC3	#FFFFFF	#000000	##FFFFFF
##365EC3	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C6BC7

Deuteranopia (green-blind)

#005EC1

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #365ec3;
/* rgb */ color: rgb(54, 94, 195);
/* oklch */ color: oklch(51.0% 0.165 264.9);

Tailwind

colors: {
  custom: {
    50: '#7f8bd6',
    500: '#365ec3',
    950: '#000000',
  },
}

SCSS

$custom: #365ec3;
$custom-light: #7f8bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#365ec3",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 195
  },
  "hsl": {
    "h": 222.979,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51044,
    "c": 0.16454,
    "h": 264.9
  },
  "luminance": 0.1273
}

Semantic roles & 50–950 ramp

primary

#365EC3

secondary

#CCB989

accent

#B548E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #365EC3

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

Preview Lab → · Contrast checker → · Palette generator →