#3F52CD#3F52CD

#3F52CD is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.9% C 0.190 H 271.0°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F52CD
RGB	rgb(63, 82, 205)
HSL	hsl(232, 59%, 53%)
HSV	hsv(232, 69%, 80%)
CMYK	cmyk(69.3%, 60%, 0%, 19.6%)
CIE-LAB	lab(40.41, 33.42, -65.91)
CIE-LCH	lch(40.41, 73.90, 296.89°)
OKLab	oklab(49.94% 0.0035 -0.1901)
OKLCH	oklch(49.94% 0.19 271)
XYZ	xyz(16.0829, 11.4976, 59.1174)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F52CD #CDBA3F

analogous

#3F99CD #3F52CD #733FCD

triadic

#3F52CD #CD3F52 #52CD3F

tetradic

#3F52CD #CD3F99 #CDBA3F #3FCD73

square

#3F52CD #CD3F99 #CDBA3F #3FCD73

split-complementary

#3F52CD #CD733F #99CD3F

monochromatic

#1E2A74 #2B3BA4 #3F52CD #707EDA #A0AAE6

Accessibility & contrast

On white

6.36

#3F52CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#3F52CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F52CD

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F52CD	#FFFFFF	#000000	##FFFFFF
##3F52CD	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D1

Deuteranopia (green-blind)

#0059CB

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3f52cd;
/* rgb */ color: rgb(63, 82, 205);
/* oklch */ color: oklch(49.9% 0.190 271.0);

Tailwind

colors: {
  custom: {
    50: '#8682dd',
    500: '#3f52cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f52cd;
$custom-light: #8682dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f52cd",
  "rgb": {
    "r": 63,
    "g": 82,
    "b": 205
  },
  "hsl": {
    "h": 231.972,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49936,
    "c": 0.19013,
    "h": 271
  },
  "luminance": 0.11499
}

Semantic roles & 50–950 ramp

primary

#3F52CD

secondary

#D3CA95

accent

#CD46E2

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #3F52CD

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

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