#366ACC#366ACC

#366ACC is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.2% C 0.162 H 261.6°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#366ACC
RGB	rgb(54, 106, 204)
HSL	hsl(219, 60%, 51%)
HSV	hsv(219, 74%, 80%)
CMYK	cmyk(73.5%, 48%, 0%, 20%)
CIE-LAB	lab(46.24, 16.53, -55.89)
CIE-LCH	lch(46.24, 58.29, 286.48°)
OKLab	oklab(54.21% -0.0236 -0.1605)
OKLCH	oklch(54.21% 0.162 261.6)
XYZ	xyz(17.5705, 15.4500, 59.1712)
Luminance	0.1545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366ACC #CC9836

analogous

#36B5CC #366ACC #4D36CC

triadic

#366ACC #CC366A #6ACC36

tetradic

#366ACC #CC36B5 #CC9836 #36CC4D

square

#366ACC #CC36B5 #CC9836 #36CC4D

split-complementary

#366ACC #CC4D36 #B5CC36

monochromatic

#1B376C #28509D #366ACC #678ED8 #98B2E5

Accessibility & contrast

On white

5.13

#366ACC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#366ACC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366ACC

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366ACC	#FFFFFF	#000000	##FFFFFF
##366ACC	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3375D0

Deuteranopia (green-blind)

#0067CA

Tritanopia (blue-blind)

#008191

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #366acc;
/* rgb */ color: rgb(54, 106, 204);
/* oklch */ color: oklch(54.2% 0.162 261.6);

Tailwind

colors: {
  custom: {
    50: '#8194dc',
    500: '#366acc',
    950: '#000000',
  },
}

SCSS

$custom: #366acc;
$custom-light: #8194dc;
$custom-dark: #000000;

JSON

{
  "hex": "#366acc",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 204
  },
  "hsl": {
    "h": 219.2,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.54207,
    "c": 0.16219,
    "h": 261.6
  },
  "luminance": 0.15452
}

Semantic roles & 50–950 ramp

primary

#366ACC

secondary

#D0B98E

accent

#AC45E3

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #366ACC

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

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