#3F4EBD#3F4EBD

#3F4EBD is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.9% C 0.174 H 272.2°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F4EBD
RGB	rgb(63, 78, 189)
HSL	hsl(233, 50%, 49%)
HSV	hsv(233, 67%, 74%)
CMYK	cmyk(66.7%, 58.7%, 0%, 25.9%)
CIE-LAB	lab(38.16, 30.33, -60.26)
CIE-LCH	lch(38.16, 67.47, 296.72°)
OKLab	oklab(47.88% 0.0067 -0.1736)
OKLCH	oklch(47.88% 0.174 272.2)
XYZ	xyz(13.9565, 10.1784, 49.3634)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4EBD #BDAE3F

analogous

#3F8DBD #3F4EBD #6F3FBD

triadic

#3F4EBD #BD3F4E #4EBD3F

tetradic

#3F4EBD #BD3F8D #BDAE3F #3FBD6F

square

#3F4EBD #BD3F8D #BDAE3F #3FBD6F

split-complementary

#3F4EBD #BD6F3F #8DBD3F

monochromatic

#202861 #303B8F #3F4EBD #6B77CE #99A1DD

Accessibility & contrast

On white

6.92

#3F4EBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3F4EBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4EBD

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4EBD	#FFFFFF	#000000	##FFFFFF
##3F4EBD	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C1

Deuteranopia (green-blind)

#0054BB

Tritanopia (blue-blind)

#00697E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f4ebd;
/* rgb */ color: rgb(63, 78, 189);
/* oklch */ color: oklch(47.9% 0.174 272.2);

Tailwind

colors: {
  custom: {
    50: '#837fd2',
    500: '#3f4ebd',
    950: '#000000',
  },
}

SCSS

$custom: #3f4ebd;
$custom-light: #837fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4ebd",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 189
  },
  "hsl": {
    "h": 232.857,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47879,
    "c": 0.17369,
    "h": 272.2
  },
  "luminance": 0.1018
}

Semantic roles & 50–950 ramp

primary

#3F4EBD

secondary

#C9C28F

accent

#C94EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3F4EBD

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

Preview Lab → · Contrast checker → · Palette generator →