#3F3CC0#3F3CC0

#3F3CC0 is a mid, vivid blue. Relative luminance 0.081; OKLCH L 45.0% C 0.199 H 275.8°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F3CC0
RGB	rgb(63, 60, 192)
HSL	hsl(241, 52%, 49%)
HSV	hsv(241, 69%, 75%)
CMYK	cmyk(67.2%, 68.7%, 0%, 24.7%)
CIE-LAB	lab(34.18, 42.50, -68.53)
CIE-LCH	lch(34.18, 80.64, 301.81°)
OKLab	oklab(45.04% 0.0203 -0.1979)
OKLCH	oklch(45.04% 0.199 275.8)
XYZ	xyz(13.1771, 8.0931, 50.7267)
Luminance	0.0809 (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

#3F3CC0 #BDC03C

analogous

#3C7BC0 #3F3CC0 #813CC0

triadic

#3F3CC0 #C03F3C #3CC03F

tetradic

#3F3CC0 #C03C7B #BDC03C #3CC081

square

#3F3CC0 #C03C7B #BDC03C #3CC081

split-complementary

#3F3CC0 #C0813C #7BC03C

monochromatic

#201F63 #302D91 #3F3CC0 #6B69D0 #9998DF

Accessibility & contrast

On white

8.02

#3F3CC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3F3CC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3CC0

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3CC0	#FFFFFF	#000000	##FFFFFF
##3F3CC0	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C4

Deuteranopia (green-blind)

#004ABE

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f3cc0;
/* rgb */ color: rgb(63, 60, 192);
/* oklch */ color: oklch(45.0% 0.199 275.8);

Tailwind

colors: {
  custom: {
    50: '#8573d4',
    500: '#3f3cc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f3cc0;
$custom-light: #8573d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3cc0",
  "rgb": {
    "r": 63,
    "g": 60,
    "b": 192
  },
  "hsl": {
    "h": 241.364,
    "s": 52.381,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45039,
    "c": 0.19896,
    "h": 275.8
  },
  "luminance": 0.08094
}

Semantic roles & 50–950 ramp

primary

#3F3CC0

secondary

#C9CA8D

accent

#DC4CD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3F3CC0

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

Preview Lab → · Contrast checker → · Palette generator →