#366CCA#366CCA

#366CCA is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.5% C 0.157 H 260.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#366CCA
RGB	rgb(54, 108, 202)
HSL	hsl(218, 58%, 50%)
HSV	hsv(218, 73%, 79%)
CMYK	cmyk(73.3%, 46.5%, 0%, 20.8%)
CIE-LAB	lab(46.67, 14.52, -54.05)
CIE-LCH	lch(46.67, 55.97, 285.04°)
OKLab	oklab(54.5% -0.0256 -0.155)
OKLCH	oklch(54.5% 0.157 260.6)
XYZ	xyz(17.5407, 15.7717, 57.9855)
Luminance	0.1577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366CCA #CA9436

analogous

#36B6CA #366CCA #4A36CA

triadic

#366CCA #CA366C #6CCA36

tetradic

#366CCA #CA36B6 #CA9436 #36CA4A

square

#366CCA #CA36B6 #CA9436 #36CA4A

split-complementary

#366CCA #CA4A36 #B6CA36

monochromatic

#1C386A #29529A #366CCA #668FD7 #97B3E4

Accessibility & contrast

On white

5.05

#366CCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#366CCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366CCA

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366CCA	#FFFFFF	#000000	##FFFFFF
##366CCA	1.00	5.05	4.15	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A76CE

Deuteranopia (green-blind)

#1668C8

Tritanopia (blue-blind)

#008291

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #366cca;
/* rgb */ color: rgb(54, 108, 202);
/* oklch */ color: oklch(54.5% 0.157 260.6);

Tailwind

colors: {
  custom: {
    50: '#8095db',
    500: '#366cca',
    950: '#000000',
  },
}

SCSS

$custom: #366cca;
$custom-light: #8095db;
$custom-dark: #000000;

JSON

{
  "hex": "#366cca",
  "rgb": {
    "r": 54,
    "g": 108,
    "b": 202
  },
  "hsl": {
    "h": 218.108,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.54495,
    "c": 0.15712,
    "h": 260.6
  },
  "luminance": 0.15774
}

Semantic roles & 50–950 ramp

primary

#366CCA

secondary

#CFB78D

accent

#A946E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #366CCA

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

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