#3F52D2#3F52D2

#3F52D2 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.4% C 0.197 H 271.0°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#3F52D2
RGB	rgb(63, 82, 210)
HSL	hsl(232, 62%, 54%)
HSV	hsv(232, 70%, 82%)
CMYK	cmyk(70%, 61%, 0%, 17.6%)
CIE-LAB	lab(40.80, 35.18, -68.14)
CIE-LCH	lch(40.80, 76.69, 297.31°)
OKLab	oklab(50.35% 0.0034 -0.1966)
OKLCH	oklch(50.35% 0.197 271)
XYZ	xyz(16.6961, 11.7428, 62.3470)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F52D2 #D2BF3F

analogous

#3F9BD2 #3F52D2 #753FD2

triadic

#3F52D2 #D23F52 #52D23F

tetradic

#3F52D2 #D23F9B #D2BF3F #3FD275

square

#3F52D2 #D23F9B #D2BF3F #3FD275

split-complementary

#3F52D2 #D2753F #9BD23F

monochromatic

#1D297A #2839AC #3F52D2 #717FDE #A2ABE9

Accessibility & contrast

On white

6.27

#3F52D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3F52D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F52D2

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F52D2	#FFFFFF	#000000	##FFFFFF
##3F52D2	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D6

Deuteranopia (green-blind)

#005AD0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3f52d2;
/* rgb */ color: rgb(63, 82, 210);
/* oklch */ color: oklch(50.4% 0.197 271.0);

Tailwind

colors: {
  custom: {
    50: '#8782e1',
    500: '#3f52d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f52d2;
$custom-light: #8782e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f52d2",
  "rgb": {
    "r": 63,
    "g": 82,
    "b": 210
  },
  "hsl": {
    "h": 232.245,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50354,
    "c": 0.19668,
    "h": 271
  },
  "luminance": 0.11744
}

Semantic roles & 50–950 ramp

primary

#3F52D2

secondary

#D6CE97

accent

#D043E5

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #3F52D2

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

Preview Lab → · Contrast checker → · Palette generator →