#3F2BB0#3F2BB0

#3F2BB0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 41.0% C 0.197 H 280.1°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#3F2BB0
RGB	rgb(63, 43, 176)
HSL	hsl(249, 61%, 43%)
HSV	hsv(249, 76%, 69%)
CMYK	cmyk(64.2%, 75.6%, 0%, 31%)
CIE-LAB	lab(29.21, 46.93, -67.23)
CIE-LCH	lch(29.21, 81.99, 304.92°)
OKLab	oklab(41.03% 0.0344 -0.194)
OKLCH	oklch(41.03% 0.197 280.1)
XYZ	xyz(10.7478, 5.9183, 41.6418)
Luminance	0.0592 (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

#3F2BB0 #9CB02B

analogous

#2B59B0 #3F2BB0 #822BB0

triadic

#3F2BB0 #B03F2B #2BB03F

tetradic

#3F2BB0 #B02B59 #9CB02B #2BB082

square

#3F2BB0 #B02B59 #9CB02B #2BB082

split-complementary

#3F2BB0 #B0822B #59B02B

monochromatic

#1C134E #2D1F7F #3F2BB0 #5B46D2 #8778DE

Accessibility & contrast

On white

9.62

#3F2BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3F2BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2BB0

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2BB0	#FFFFFF	#000000	##FFFFFF
##3F2BB0	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB4

Deuteranopia (green-blind)

#0040AE

Tritanopia (blue-blind)

#00516C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f2bb0;
/* rgb */ color: rgb(63, 43, 176);
/* oklch */ color: oklch(41.0% 0.197 280.1);

Tailwind

colors: {
  custom: {
    50: '#8367c9',
    500: '#3f2bb0',
    950: '#000000',
  },
}

SCSS

$custom: #3f2bb0;
$custom-light: #8367c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2bb0",
  "rgb": {
    "r": 63,
    "g": 43,
    "b": 176
  },
  "hsl": {
    "h": 249.023,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41033,
    "c": 0.19708,
    "h": 280.1
  },
  "luminance": 0.05919
}

Semantic roles & 50–950 ramp

primary

#3F2BB0

secondary

#B9C671

accent

#E444CC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2BB0

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

Preview Lab → · Contrast checker → · Palette generator →