#3F4AD1#3F4AD1

#3F4AD1 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 48.9% C 0.205 H 272.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F4AD1
RGB	rgb(63, 74, 209)
HSL	hsl(235, 61%, 53%)
HSV	hsv(235, 70%, 82%)
CMYK	cmyk(69.9%, 64.6%, 0%, 18%)
CIE-LAB	lab(38.82, 39.79, -70.80)
CIE-LCH	lch(38.82, 81.22, 299.34°)
OKLab	oklab(48.87% 0.0091 -0.2045)
OKLCH	oklch(48.87% 0.205 272.5)
XYZ	xyz(16.0034, 10.5562, 61.5034)
Luminance	0.1056 (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

#3F4AD1 #D1C63F

analogous

#3F93D1 #3F4AD1 #7D3FD1

triadic

#3F4AD1 #D13F4A #4AD13F

tetradic

#3F4AD1 #D13F93 #D1C63F #3FD17D

square

#3F4AD1 #D13F93 #D1C63F #3FD17D

split-complementary

#3F4AD1 #D17D3F #93D13F

monochromatic

#1D2479 #2932AA #3F4AD1 #7079DD #A2A7E9

Accessibility & contrast

On white

6.75

#3F4AD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3F4AD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4AD1

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4AD1	#FFFFFF	#000000	##FFFFFF
##3F4AD1	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D5

Deuteranopia (green-blind)

#0055CE

Tritanopia (blue-blind)

#006D87

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3f4ad1;
/* rgb */ color: rgb(63, 74, 209);
/* oklch */ color: oklch(48.9% 0.205 272.5);

Tailwind

colors: {
  custom: {
    50: '#877de0',
    500: '#3f4ad1',
    950: '#000000',
  },
}

SCSS

$custom: #3f4ad1;
$custom-light: #877de0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4ad1",
  "rgb": {
    "r": 63,
    "g": 74,
    "b": 209
  },
  "hsl": {
    "h": 235.479,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48872,
    "c": 0.20473,
    "h": 272.5
  },
  "luminance": 0.10558
}

Semantic roles & 50–950 ramp

primary

#3F4AD1

secondary

#D5D197

accent

#D843E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F4AD1

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

Preview Lab → · Contrast checker → · Palette generator →