#366BCA#366BCA

#366BCA is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.3% C 0.158 H 261.0°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#366BCA
RGB	rgb(54, 107, 202)
HSL	hsl(219, 58%, 50%)
HSV	hsv(219, 73%, 79%)
CMYK	cmyk(73.3%, 47%, 0%, 20.8%)
CIE-LAB	lab(46.39, 15.16, -54.50)
CIE-LCH	lch(46.39, 56.57, 285.54°)
OKLab	oklab(54.28% -0.0247 -0.1563)
OKLCH	oklch(54.28% 0.158 261)
XYZ	xyz(17.4359, 15.5620, 57.9505)
Luminance	0.1556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366BCA #CA9536

analogous

#36B5CA #366BCA #4B36CA

triadic

#366BCA #CA366B #6BCA36

tetradic

#366BCA #CA36B5 #CA9536 #36CA4B

square

#366BCA #CA36B5 #CA9536 #36CA4B

split-complementary

#366BCA #CA4B36 #B5CA36

monochromatic

#1C386A #29519A #366BCA #668FD7 #97B2E4

Accessibility & contrast

On white

5.11

#366BCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#366BCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366BCA

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366BCA	#FFFFFF	#000000	##FFFFFF
##366BCA	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3875CE

Deuteranopia (green-blind)

#1168C8

Tritanopia (blue-blind)

#008191

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #366bca;
/* rgb */ color: rgb(54, 107, 202);
/* oklch */ color: oklch(54.3% 0.158 261.0);

Tailwind

colors: {
  custom: {
    50: '#8094db',
    500: '#366bca',
    950: '#000000',
  },
}

SCSS

$custom: #366bca;
$custom-light: #8094db;
$custom-dark: #000000;

JSON

{
  "hex": "#366bca",
  "rgb": {
    "r": 54,
    "g": 107,
    "b": 202
  },
  "hsl": {
    "h": 218.514,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.54281,
    "c": 0.1583,
    "h": 261
  },
  "luminance": 0.15564
}

Semantic roles & 50–950 ramp

primary

#366BCA

secondary

#CFB78D

accent

#AA46E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #366BCA

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

Preview Lab → · Contrast checker → · Palette generator →