#3660D2#3660D2

#3660D2 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.6% C 0.182 H 265.3°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3660D2
RGB	rgb(54, 96, 210)
HSL	hsl(224, 63%, 52%)
HSV	hsv(224, 74%, 82%)
CMYK	cmyk(74.3%, 54.3%, 0%, 17.6%)
CIE-LAB	lab(43.95, 25.15, -63.05)
CIE-LCH	lch(43.95, 67.88, 291.75°)
OKLab	oklab(52.59% -0.015 -0.1817)
OKLCH	oklch(52.59% 0.182 265.3)
XYZ	xyz(17.3330, 13.8013, 62.7107)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3660D2 #D2A836

analogous

#36AED2 #3660D2 #5A36D2

triadic

#3660D2 #D23660 #60D236

tetradic

#3660D2 #D236AE #D2A836 #36D25A

square

#3660D2 #D236AE #D2A836 #36D25A

split-complementary

#3660D2 #D25A36 #AED236

monochromatic

#1A3274 #2548A6 #3660D2 #6888DD #9AAFE8

Accessibility & contrast

On white

5.58

#3660D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3660D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3660D2

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3660D2	#FFFFFF	#000000	##FFFFFF
##3660D2	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0061D0

Tritanopia (blue-blind)

#007C90

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3660d2;
/* rgb */ color: rgb(54, 96, 210);
/* oklch */ color: oklch(52.6% 0.182 265.3);

Tailwind

colors: {
  custom: {
    50: '#828ce1',
    500: '#3660d2',
    950: '#000000',
  },
}

SCSS

$custom: #3660d2;
$custom-light: #828ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#3660d2",
  "rgb": {
    "r": 54,
    "g": 96,
    "b": 210
  },
  "hsl": {
    "h": 223.846,
    "s": 63.415,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52589,
    "c": 0.1823,
    "h": 265.3
  },
  "luminance": 0.13803
}

Semantic roles & 50–950 ramp

primary

#3660D2

secondary

#D4C290

accent

#BA41E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3660D2

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

Preview Lab → · Contrast checker → · Palette generator →