#3F5CAA#3F5CAA

#3F5CAA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.3% C 0.129 H 266.4°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#3F5CAA
RGB	rgb(63, 92, 170)
HSL	hsl(224, 46%, 46%)
HSV	hsv(224, 63%, 67%)
CMYK	cmyk(62.9%, 45.9%, 0%, 33.3%)
CIE-LAB	lab(40.59, 14.54, -45.15)
CIE-LCH	lch(40.59, 47.44, 287.85°)
OKLab	oklab(49.3% -0.0081 -0.1289)
OKLCH	oklch(49.3% 0.129 266.4)
XYZ	xyz(13.1303, 11.6122, 39.5718)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5CAA #AA8D3F

analogous

#3F91AA #3F5CAA #573FAA

triadic

#3F5CAA #AA3F5C #5CAA3F

tetradic

#3F5CAA #AA3F91 #AA8D3F #3FAA57

square

#3F5CAA #AA3F91 #AA8D3F #3FAA57

split-complementary

#3F5CAA #AA573F #91AA3F

monochromatic

#1E2C51 #2E447D #3F5CAA #627CC5 #8EA1D5

Accessibility & contrast

On white

6.32

#3F5CAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3F5CAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5CAA

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5CAA	#FFFFFF	#000000	##FFFFFF
##3F5CAA	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3765AD

Deuteranopia (green-blind)

#255BA8

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f5caa;
/* rgb */ color: rgb(63, 92, 170);
/* oklch */ color: oklch(49.3% 0.129 266.4);

Tailwind

colors: {
  custom: {
    50: '#7e89c4',
    500: '#3f5caa',
    950: '#000000',
  },
}

SCSS

$custom: #3f5caa;
$custom-light: #7e89c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5caa",
  "rgb": {
    "r": 63,
    "g": 92,
    "b": 170
  },
  "hsl": {
    "h": 223.738,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49298,
    "c": 0.12918,
    "h": 266.4
  },
  "luminance": 0.11613
}

Semantic roles & 50–950 ramp

primary

#3F5CAA

secondary

#C0B085

accent

#B252D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3F5CAA

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

Preview Lab → · Contrast checker → · Palette generator →