#3F3DD9#3F3DD9

#3F3DD9 is a mid, highly saturated blue. Relative luminance 0.094; OKLCH L 47.6% C 0.229 H 274.0°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F3DD9
RGB	rgb(63, 61, 217)
HSL	hsl(241, 67%, 55%)
HSV	hsv(241, 72%, 85%)
CMYK	cmyk(71%, 71.9%, 0%, 14.9%)
CIE-LAB	lab(36.75, 50.08, -78.82)
CIE-LCH	lch(36.75, 93.39, 302.43°)
OKLab	oklab(47.6% 0.0159 -0.228)
OKLCH	oklch(47.6% 0.229 274)
XYZ	xyz(16.2389, 9.4024, 66.5912)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.10

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3DD9 #D7D93D

analogous

#3D89D9 #3F3DD9 #8D3DD9

triadic

#3F3DD9 #D93F3D #3DD93F

tetradic

#3F3DD9 #D93D89 #D7D93D #3DD98D

square

#3F3DD9 #D93D89 #D7D93D #3DD98D

split-complementary

#3F3DD9 #D98D3D #89D93D

monochromatic

#1B1982 #2524B5 #3F3DD9 #7270E3 #A4A3ED

Accessibility & contrast

On white

7.29

#3F3DD9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3F3DD9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3DD9

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3DD9	#FFFFFF	#000000	##FFFFFF
##3F3DD9	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EDE

Deuteranopia (green-blind)

#004FD6

Tritanopia (blue-blind)

#006987

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3f3dd9;
/* rgb */ color: rgb(63, 61, 217);
/* oklch */ color: oklch(47.6% 0.229 274.0);

Tailwind

colors: {
  custom: {
    50: '#8a74e6',
    500: '#3f3dd9',
    950: '#000000',
  },
}

SCSS

$custom: #3f3dd9;
$custom-light: #8a74e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3dd9",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 217
  },
  "hsl": {
    "h": 240.769,
    "s": 67.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.47596,
    "c": 0.22851,
    "h": 274
  },
  "luminance": 0.09404
}

Semantic roles & 50–950 ramp

primary

#3F3DD9

secondary

#D9DA98

accent

#EA3EE8

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3F3DD9

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

Preview Lab → · Contrast checker → · Palette generator →