#3F5EC3#3F5EC3

#3F5EC3 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.162 H 267.6°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F5EC3
RGB	rgb(63, 94, 195)
HSL	hsl(226, 52%, 51%)
HSV	hsv(226, 68%, 76%)
CMYK	cmyk(67.7%, 51.8%, 0%, 23.5%)
CIE-LAB	lab(42.76, 22.20, -56.30)
CIE-LCH	lch(42.76, 60.52, 291.52°)
OKLab	oklab(51.47% -0.0069 -0.1617)
OKLCH	oklch(51.47% 0.162 267.6)
XYZ	xyz(15.8995, 13.0008, 53.2907)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5EC3 #C3A43F

analogous

#3FA0C3 #3F5EC3 #623FC3

triadic

#3F5EC3 #C33F5E #5EC33F

tetradic

#3F5EC3 #C33FA0 #C3A43F #3FC362

square

#3F5EC3 #C33FA0 #C3A43F #3FC362

split-complementary

#3F5EC3 #C3623F #A0C33F

monochromatic

#203167 #2F4796 #3F5EC3 #6E85D2 #9CACE0

Accessibility & contrast

On white

5.83

#3F5EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3F5EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5EC3

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5EC3	#FFFFFF	#000000	##FFFFFF
##3F5EC3	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6BC7

Deuteranopia (green-blind)

#005FC1

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f5ec3;
/* rgb */ color: rgb(63, 94, 195);
/* oklch */ color: oklch(51.5% 0.162 267.6);

Tailwind

colors: {
  custom: {
    50: '#838bd6',
    500: '#3f5ec3',
    950: '#000000',
  },
}

SCSS

$custom: #3f5ec3;
$custom-light: #838bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5ec3",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 195
  },
  "hsl": {
    "h": 225.909,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51471,
    "c": 0.16183,
    "h": 267.6
  },
  "luminance": 0.13002
}

Semantic roles & 50–950 ramp

primary

#3F5EC3

secondary

#CCBE92

accent

#BA4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3F5EC3

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

Preview Lab → · Contrast checker → · Palette generator →