#366ACF#366ACF

#366ACF is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.4% C 0.166 H 262.0°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#366ACF
RGB	rgb(54, 106, 207)
HSL	hsl(220, 61%, 51%)
HSV	hsv(220, 74%, 81%)
CMYK	cmyk(73.9%, 48.8%, 0%, 18.8%)
CIE-LAB	lab(46.44, 17.65, -57.30)
CIE-LCH	lch(46.44, 59.95, 287.12°)
OKLab	oklab(54.42% -0.0232 -0.1646)
OKLCH	oklch(54.42% 0.166 262)
XYZ	xyz(17.9338, 15.5954, 61.0844)
Luminance	0.1560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366ACF #CF9B36

analogous

#36B6CF #366ACF #4E36CF

triadic

#366ACF #CF366A #6ACF36

tetradic

#366ACF #CF36B6 #CF9B36 #36CF4E

square

#366ACF #CF36B6 #CF9B36 #36CF4E

split-complementary

#366ACF #CF4E36 #B6CF36

monochromatic

#1B3870 #2750A1 #366ACF #678FDB #99B3E7

Accessibility & contrast

On white

5.10

#366ACF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#366ACF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366ACF

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366ACF	#FFFFFF	#000000	##FFFFFF
##366ACF	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3075D3

Deuteranopia (green-blind)

#0067CD

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #366acf;
/* rgb */ color: rgb(54, 106, 207);
/* oklch */ color: oklch(54.4% 0.166 262.0);

Tailwind

colors: {
  custom: {
    50: '#8194de',
    500: '#366acf',
    950: '#000000',
  },
}

SCSS

$custom: #366acf;
$custom-light: #8194de;
$custom-dark: #000000;

JSON

{
  "hex": "#366acf",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 207
  },
  "hsl": {
    "h": 219.608,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.54418,
    "c": 0.16621,
    "h": 262
  },
  "luminance": 0.15597
}

Semantic roles & 50–950 ramp

primary

#366ACF

secondary

#D2BB8F

accent

#AE43E5

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #366ACF

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

Preview Lab → · Contrast checker → · Palette generator →