#3C66AE#3C66AE

#3C66AE is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.6% C 0.124 H 260.5°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3C66AE
RGB	rgb(60, 102, 174)
HSL	hsl(218, 49%, 46%)
HSV	hsv(218, 66%, 68%)
CMYK	cmyk(65.5%, 41.4%, 0%, 31.8%)
CIE-LAB	lab(43.53, 9.02, -42.82)
CIE-LCH	lch(43.53, 43.76, 281.90°)
OKLab	oklab(51.6% -0.0205 -0.122)
OKLCH	oklch(51.6% 0.124 260.5)
XYZ	xyz(14.2521, 13.5180, 41.8943)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C66AE #AE843C

analogous

#3C9FAE #3C66AE #4B3CAE

triadic

#3C66AE #AE3C66 #66AE3C

tetradic

#3C66AE #AE3C9F #AE843C #3CAE4B

square

#3C66AE #AE3C9F #AE843C #3CAE4B

split-complementary

#3C66AE #AE4B3C #9FAE3C

monochromatic

#1D3153 #2C4B80 #3C66AE #5F86C8 #8DA8D8

Accessibility & contrast

On white

5.67

#3C66AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#3C66AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C66AE

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C66AE	#FFFFFF	#000000	##FFFFFF
##3C66AE	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456DB1

Deuteranopia (green-blind)

#3462AD

Tritanopia (blue-blind)

#007681

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3c66ae;
/* rgb */ color: rgb(60, 102, 174);
/* oklch */ color: oklch(51.6% 0.124 260.5);

Tailwind

colors: {
  custom: {
    50: '#7d91c6',
    500: '#3c66ae',
    950: '#000000',
  },
}

SCSS

$custom: #3c66ae;
$custom-light: #7d91c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3c66ae",
  "rgb": {
    "r": 60,
    "g": 102,
    "b": 174
  },
  "hsl": {
    "h": 217.895,
    "s": 48.718,
    "l": 45.882
  },
  "oklch": {
    "l": 0.51598,
    "c": 0.12371,
    "h": 260.5
  },
  "luminance": 0.13519
}

Semantic roles & 50–950 ramp

primary

#3C66AE

secondary

#C2AB83

accent

#A650D8

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3C66AE

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

Preview Lab → · Contrast checker → · Palette generator →