#365ECD#365ECD

#365ECD is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.178 H 265.5°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#365ECD
RGB	rgb(54, 94, 205)
HSL	hsl(224, 60%, 51%)
HSV	hsv(224, 74%, 80%)
CMYK	cmyk(73.7%, 54.1%, 0%, 19.6%)
CIE-LAB	lab(43.06, 24.59, -61.62)
CIE-LCH	lch(43.06, 66.34, 291.76°)
OKLab	oklab(51.8% -0.0139 -0.1775)
OKLCH	oklch(51.8% 0.178 265.5)
XYZ	xyz(16.5396, 13.1957, 59.4211)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#365ECD #CDA536

analogous

#36A9CD #365ECD #5936CD

triadic

#365ECD #CD365E #5ECD36

tetradic

#365ECD #CD36A9 #CDA536 #36CD59

square

#365ECD #CD36A9 #CDA536 #36CD59

split-complementary

#365ECD #CD5936 #A9CD36

monochromatic

#1B316D #27479E #365ECD #6785D9 #98ADE5

Accessibility & contrast

On white

5.77

#365ECD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#365ECD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #365ECD

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##365ECD	#FFFFFF	#000000	##FFFFFF
##365ECD	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD1

Deuteranopia (green-blind)

#005FCB

Tritanopia (blue-blind)

#00798C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #365ecd;
/* rgb */ color: rgb(54, 94, 205);
/* oklch */ color: oklch(51.8% 0.178 265.5);

Tailwind

colors: {
  custom: {
    50: '#818bdd',
    500: '#365ecd',
    950: '#000000',
  },
}

SCSS

$custom: #365ecd;
$custom-light: #818bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#365ecd",
  "rgb": {
    "r": 54,
    "g": 94,
    "b": 205
  },
  "hsl": {
    "h": 224.106,
    "s": 60.159,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51803,
    "c": 0.17805,
    "h": 265.5
  },
  "luminance": 0.13197
}

Semantic roles & 50–950 ramp

primary

#365ECD

secondary

#D1BF8E

accent

#B944E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #365ECD

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

Preview Lab → · Contrast checker → · Palette generator →