#3F4BAE#3F4BAE

#3F4BAE is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.1% C 0.157 H 273.4°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#3F4BAE
RGB	rgb(63, 75, 174)
HSL	hsl(234, 47%, 46%)
HSV	hsv(234, 64%, 68%)
CMYK	cmyk(63.8%, 56.9%, 0%, 31.8%)
CIE-LAB	lab(36.26, 26.98, -54.51)
CIE-LCH	lch(36.26, 60.82, 296.34°)
OKLab	oklab(46.11% 0.0092 -0.1567)
OKLCH	oklch(46.11% 0.157 273.4)
XYZ	xyz(12.2034, 9.1439, 41.1580)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4BAE #AEA23F

analogous

#3F83AE #3F4BAE #6B3FAE

triadic

#3F4BAE #AE3F4B #4BAE3F

tetradic

#3F4BAE #AE3F83 #AEA23F #3FAE6B

square

#3F4BAE #AE3F83 #AEA23F #3FAE6B

split-complementary

#3F4BAE #AE6B3F #83AE3F

monochromatic

#1E2454 #2F3881 #3F4BAE #646EC7 #9098D7

Accessibility & contrast

On white

7.42

#3F4BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3F4BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4BAE

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4BAE	#FFFFFF	#000000	##FFFFFF
##3F4BAE	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB1

Deuteranopia (green-blind)

#0051AC

Tritanopia (blue-blind)

#006375

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f4bae;
/* rgb */ color: rgb(63, 75, 174);
/* oklch */ color: oklch(46.1% 0.157 273.4);

Tailwind

colors: {
  custom: {
    50: '#807dc7',
    500: '#3f4bae',
    950: '#000000',
  },
}

SCSS

$custom: #3f4bae;
$custom-light: #807dc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4bae",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 174
  },
  "hsl": {
    "h": 233.514,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46106,
    "c": 0.15693,
    "h": 273.4
  },
  "luminance": 0.09145
}

Semantic roles & 50–950 ramp

primary

#3F4BAE

secondary

#C2BC87

accent

#C851D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3F4BAE

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

Preview Lab → · Contrast checker → · Palette generator →