#3F3BC7#3F3BC7

#3F3BC7 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.6% C 0.209 H 275.5°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F3BC7
RGB	rgb(63, 59, 199)
HSL	hsl(242, 56%, 51%)
HSV	hsv(242, 70%, 78%)
CMYK	cmyk(68.3%, 70.4%, 0%, 22%)
CIE-LAB	lab(34.61, 45.39, -71.91)
CIE-LCH	lch(34.61, 85.04, 302.26°)
OKLab	oklab(45.55% 0.0199 -0.2078)
OKLCH	oklch(45.55% 0.209 275.5)
XYZ	xyz(13.9193, 8.3069, 54.8916)
Luminance	0.0831 (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

#3F3BC7 #C3C73B

analogous

#3B7DC7 #3F3BC7 #853BC7

triadic

#3F3BC7 #C73F3B #3BC73F

tetradic

#3F3BC7 #C73B7D #C3C73B #3BC785

square

#3F3BC7 #C73B7D #C3C73B #3BC785

split-complementary

#3F3BC7 #C7853B #7DC73B

monochromatic

#201E69 #2F2C99 #3F3BC7 #6E6BD5 #9C9AE2

Accessibility & contrast

On white

7.89

#3F3BC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3F3BC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BC7

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3BC7	#FFFFFF	#000000	##FFFFFF
##3F3BC7	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CB

Deuteranopia (green-blind)

#004BC4

Tritanopia (blue-blind)

#00627D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f3bc7;
/* rgb */ color: rgb(63, 59, 199);
/* oklch */ color: oklch(45.6% 0.209 275.5);

Tailwind

colors: {
  custom: {
    50: '#8672d9',
    500: '#3f3bc7',
    950: '#000000',
  },
}

SCSS

$custom: #3f3bc7;
$custom-light: #8672d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3bc7",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 199
  },
  "hsl": {
    "h": 241.714,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45552,
    "c": 0.20874,
    "h": 275.5
  },
  "luminance": 0.08308
}

Semantic roles & 50–950 ramp

primary

#3F3BC7

secondary

#CCCE90

accent

#DF49DB

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3BC7

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

Preview Lab → · Contrast checker → · Palette generator →