#3660AC#3660AC

#3660AC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.9% C 0.130 H 261.2°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#3660AC
RGB	rgb(54, 96, 172)
HSL	hsl(219, 52%, 44%)
HSV	hsv(219, 69%, 67%)
CMYK	cmyk(68.6%, 44.2%, 0%, 32.5%)
CIE-LAB	lab(41.42, 11.10, -45.04)
CIE-LCH	lch(41.42, 46.39, 283.84°)
OKLab	oklab(49.85% -0.0199 -0.1287)
OKLCH	oklch(49.85% 0.13 261.2)
XYZ	xyz(13.1479, 12.1272, 40.6696)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3660AC #AC8236

analogous

#369BAC #3660AC #4736AC

triadic

#3660AC #AC3660 #60AC36

tetradic

#3660AC #AC369B #AC8236 #36AC47

square

#3660AC #AC369B #AC8236 #36AC47

split-complementary

#3660AC #AC4736 #9BAC36

monochromatic

#192C4F #27467D #3660AC #557FCA #84A2D8

Accessibility & contrast

On white

6.13

#3660AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3660AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3660AC

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3660AC	#FFFFFF	#000000	##FFFFFF
##3660AC	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B68AF

Deuteranopia (green-blind)

#275DAA

Tritanopia (blue-blind)

#00727D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3660ac;
/* rgb */ color: rgb(54, 96, 172);
/* oklch */ color: oklch(49.9% 0.130 261.2);

Tailwind

colors: {
  custom: {
    50: '#7a8cc5',
    500: '#3660ac',
    950: '#000000',
  },
}

SCSS

$custom: #3660ac;
$custom-light: #7a8cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3660ac",
  "rgb": {
    "r": 54,
    "g": 96,
    "b": 172
  },
  "hsl": {
    "h": 218.644,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49852,
    "c": 0.13024,
    "h": 261.2
  },
  "luminance": 0.12129
}

Semantic roles & 50–950 ramp

primary

#3660AC

secondary

#C2A97C

accent

#A94CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3660AC

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

Preview Lab → · Contrast checker → · Palette generator →