#3F2EB7#3F2EB7

#3F2EB7 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.1% C 0.203 H 278.8°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F2EB7
RGB	rgb(63, 46, 183)
HSL	hsl(247, 60%, 45%)
HSV	hsv(247, 75%, 72%)
CMYK	cmyk(65.6%, 74.9%, 0%, 28.2%)
CIE-LAB	lab(30.47, 47.51, -69.32)
CIE-LCH	lch(30.47, 84.04, 304.43°)
OKLab	oklab(42.14% 0.0309 -0.2002)
OKLCH	oklch(42.14% 0.203 278.8)
XYZ	xyz(11.5714, 6.4287, 45.4216)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2EB7 #A6B72E

analogous

#2E62B7 #3F2EB7 #832EB7

triadic

#3F2EB7 #B73F2E #2EB73F

tetradic

#3F2EB7 #B72E62 #A6B72E #2EB783

square

#3F2EB7 #B72E62 #A6B72E #2EB783

split-complementary

#3F2EB7 #B7832E #62B72E

monochromatic

#1D1555 #2E2286 #3F2EB7 #604FD3 #8C80DF

Accessibility & contrast

On white

9.19

#3F2EB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3F2EB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2EB7

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2EB7	#FFFFFF	#000000	##FFFFFF
##3F2EB7	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#0042B5

Tritanopia (blue-blind)

#005570

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f2eb7;
/* rgb */ color: rgb(63, 46, 183);
/* oklch */ color: oklch(42.1% 0.203 278.8);

Tailwind

colors: {
  custom: {
    50: '#8469ce',
    500: '#3f2eb7',
    950: '#000000',
  },
}

SCSS

$custom: #3f2eb7;
$custom-light: #8469ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2eb7",
  "rgb": {
    "r": 63,
    "g": 46,
    "b": 183
  },
  "hsl": {
    "h": 247.445,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42135,
    "c": 0.20253,
    "h": 278.8
  },
  "luminance": 0.0643
}

Semantic roles & 50–950 ramp

primary

#3F2EB7

secondary

#BEC879

accent

#E345CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F2EB7

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

Preview Lab → · Contrast checker → · Palette generator →