#3F4BC5#3F4BC5

#3F4BC5 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 48.0% C 0.188 H 272.7°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F4BC5
RGB	rgb(63, 75, 197)
HSL	hsl(235, 54%, 51%)
HSV	hsv(235, 68%, 77%)
CMYK	cmyk(68%, 61.9%, 0%, 22.7%)
CIE-LAB	lab(38.05, 35.03, -65.11)
CIE-LCH	lch(38.05, 73.93, 298.28°)
OKLab	oklab(48% 0.009 -0.1878)
OKLCH	oklch(48% 0.188 272.7)
XYZ	xyz(14.6406, 10.1188, 53.9941)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4BC5 #C5B93F

analogous

#3F8EC5 #3F4BC5 #763FC5

triadic

#3F4BC5 #C53F4B #4BC53F

tetradic

#3F4BC5 #C53F8E #C5B93F #3FC576

square

#3F4BC5 #C53F8E #C5B93F #3FC576

split-complementary

#3F4BC5 #C5763F #8EC53F

monochromatic

#20276A #2E3899 #3F4BC5 #6E77D3 #9DA3E1

Accessibility & contrast

On white

6.94

#3F4BC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3F4BC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4BC5

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4BC5	#FFFFFF	#000000	##FFFFFF
##3F4BC5	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C9

Deuteranopia (green-blind)

#0054C3

Tritanopia (blue-blind)

#006A81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3f4bc5;
/* rgb */ color: rgb(63, 75, 197);
/* oklch */ color: oklch(48.0% 0.188 272.7);

Tailwind

colors: {
  custom: {
    50: '#847dd8',
    500: '#3f4bc5',
    950: '#000000',
  },
}

SCSS

$custom: #3f4bc5;
$custom-light: #847dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4bc5",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 197
  },
  "hsl": {
    "h": 234.627,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.47999,
    "c": 0.18803,
    "h": 272.7
  },
  "luminance": 0.1012
}

Semantic roles & 50–950 ramp

primary

#3F4BC5

secondary

#CEC892

accent

#D04BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3F4BC5

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

Preview Lab → · Contrast checker → · Palette generator →