#3F3CC9#3F3CC9

#3F3CC9 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.9% C 0.210 H 275.2°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F3CC9
RGB	rgb(63, 60, 201)
HSL	hsl(241, 57%, 51%)
HSV	hsv(241, 70%, 79%)
CMYK	cmyk(68.7%, 70.1%, 0%, 21.2%)
CIE-LAB	lab(35.01, 45.46, -72.42)
CIE-LCH	lch(35.01, 85.51, 302.12°)
OKLab	oklab(45.89% 0.019 -0.2093)
OKLCH	oklch(45.89% 0.21 275.2)
XYZ	xyz(14.2049, 8.5042, 56.1399)
Luminance	0.0851 (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

#3F3CC9 #C6C93C

analogous

#3C7FC9 #3F3CC9 #853CC9

triadic

#3F3CC9 #C93F3C #3CC93F

tetradic

#3F3CC9 #C93C7F #C6C93C #3CC985

square

#3F3CC9 #C93C7F #C6C93C #3CC985

split-complementary

#3F3CC9 #C9853C #7FC93C

monochromatic

#201E6D #2E2B9C #3F3CC9 #6E6CD6 #9D9CE4

Accessibility & contrast

On white

7.77

#3F3CC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3F3CC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3CC9

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3CC9	#FFFFFF	#000000	##FFFFFF
##3F3CC9	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CD

Deuteranopia (green-blind)

#004CC6

Tritanopia (blue-blind)

#00637E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f3cc9;
/* rgb */ color: rgb(63, 60, 201);
/* oklch */ color: oklch(45.9% 0.210 275.2);

Tailwind

colors: {
  custom: {
    50: '#8773db',
    500: '#3f3cc9',
    950: '#000000',
  },
}

SCSS

$custom: #3f3cc9;
$custom-light: #8773db;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3cc9",
  "rgb": {
    "r": 63,
    "g": 60,
    "b": 201
  },
  "hsl": {
    "h": 241.277,
    "s": 56.627,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45894,
    "c": 0.21015,
    "h": 275.2
  },
  "luminance": 0.08506
}

Semantic roles & 50–950 ramp

primary

#3F3CC9

secondary

#CED091

accent

#E048DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3CC9

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

Preview Lab → · Contrast checker → · Palette generator →