#3F4DAA#3F4DAA

#3F4DAA is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.149 H 272.7°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F4DAA
RGB	rgb(63, 77, 170)
HSL	hsl(232, 46%, 46%)
HSV	hsv(232, 63%, 67%)
CMYK	cmyk(62.9%, 54.7%, 0%, 33.3%)
CIE-LAB	lab(36.49, 24.28, -51.75)
CIE-LCH	lch(36.49, 57.17, 295.13°)
OKLab	oklab(46.19% 0.0071 -0.1485)
OKLCH	oklch(46.19% 0.149 272.7)
XYZ	xyz(11.9571, 9.2658, 39.1808)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4DAA #AA9C3F

analogous

#3F82AA #3F4DAA #673FAA

triadic

#3F4DAA #AA3F4D #4DAA3F

tetradic

#3F4DAA #AA3F82 #AA9C3F #3FAA67

square

#3F4DAA #AA3F82 #AA9C3F #3FAA67

split-complementary

#3F4DAA #AA673F #82AA3F

monochromatic

#1E2551 #2E397D #3F4DAA #626FC5 #8E97D5

Accessibility & contrast

On white

7.36

#3F4DAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3F4DAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4DAA

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4DAA	#FFFFFF	#000000	##FFFFFF
##3F4DAA	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B5BAD

Deuteranopia (green-blind)

#0051A8

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3f4daa;
/* rgb */ color: rgb(63, 77, 170);
/* oklch */ color: oklch(46.2% 0.149 272.7);

Tailwind

colors: {
  custom: {
    50: '#7f7ec4',
    500: '#3f4daa',
    950: '#000000',
  },
}

SCSS

$custom: #3f4daa;
$custom-light: #7f7ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4daa",
  "rgb": {
    "r": 63,
    "g": 77,
    "b": 170
  },
  "hsl": {
    "h": 232.15,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46187,
    "c": 0.14871,
    "h": 272.7
  },
  "luminance": 0.09267
}

Semantic roles & 50–950 ramp

primary

#3F4DAA

secondary

#C0B885

accent

#C452D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3F4DAA

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

Preview Lab → · Contrast checker → · Palette generator →