#3660C2#3660C2

#3660C2 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.161 H 264.1°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3660C2
RGB	rgb(54, 96, 194)
HSL	hsl(222, 56%, 49%)
HSV	hsv(222, 72%, 76%)
CMYK	cmyk(72.2%, 50.5%, 0%, 23.9%)
CIE-LAB	lab(42.83, 19.24, -55.63)
CIE-LCH	lch(42.83, 58.86, 289.07°)
OKLab	oklab(51.39% -0.0165 -0.1599)
OKLCH	oklch(51.39% 0.161 264.1)
XYZ	xyz(15.4384, 13.0434, 52.7325)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3660C2 #C29836

analogous

#36A6C2 #3660C2 #5236C2

triadic

#3660C2 #C23660 #60C236

tetradic

#3660C2 #C236A6 #C29836 #36C252

square

#3660C2 #C236A6 #C29836 #36C252

split-complementary

#3660C2 #C25236 #A6C236

monochromatic

#1B3162 #294892 #3660C2 #6284D3 #92A9E1

Accessibility & contrast

On white

5.82

#3660C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3660C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3660C2

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3660C2	#FFFFFF	#000000	##FFFFFF
##3660C2	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#256CC6

Deuteranopia (green-blind)

#005FC0

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3660c2;
/* rgb */ color: rgb(54, 96, 194);
/* oklch */ color: oklch(51.4% 0.161 264.1);

Tailwind

colors: {
  custom: {
    50: '#7f8cd5',
    500: '#3660c2',
    950: '#000000',
  },
}

SCSS

$custom: #3660c2;
$custom-light: #7f8cd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3660c2",
  "rgb": {
    "r": 54,
    "g": 96,
    "b": 194
  },
  "hsl": {
    "h": 222,
    "s": 56.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51386,
    "c": 0.16072,
    "h": 264.1
  },
  "luminance": 0.13045
}

Semantic roles & 50–950 ramp

primary

#3660C2

secondary

#CCB788

accent

#B248E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3660C2

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

Preview Lab → · Contrast checker → · Palette generator →