#3F2CB0#3F2CB0

#3F2CB0 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 41.2% C 0.196 H 279.9°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F2CB0
RGB	rgb(63, 44, 176)
HSL	hsl(249, 60%, 43%)
HSV	hsv(249, 75%, 69%)
CMYK	cmyk(64.2%, 75%, 0%, 31%)
CIE-LAB	lab(29.39, 46.41, -66.93)
CIE-LCH	lch(29.39, 81.44, 304.74°)
OKLab	oklab(41.16% 0.0338 -0.1932)
OKLCH	oklch(41.16% 0.196 279.9)
XYZ	xyz(10.7846, 5.9919, 41.6541)
Luminance	0.0599 (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

#3F2CB0 #9DB02C

analogous

#2C5BB0 #3F2CB0 #812CB0

triadic

#3F2CB0 #B03F2C #2CB03F

tetradic

#3F2CB0 #B02C5B #9DB02C #2CB081

square

#3F2CB0 #B02C5B #9DB02C #2CB081

split-complementary

#3F2CB0 #B0812C #5BB02C

monochromatic

#1C144E #2D207F #3F2CB0 #5C48D1 #8779DD

Accessibility & contrast

On white

9.55

#3F2CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3F2CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CB0

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2CB0	#FFFFFF	#000000	##FFFFFF
##3F2CB0	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB4

Deuteranopia (green-blind)

#0040AE

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f2cb0;
/* rgb */ color: rgb(63, 44, 176);
/* oklch */ color: oklch(41.2% 0.196 279.9);

Tailwind

colors: {
  custom: {
    50: '#8368c9',
    500: '#3f2cb0',
    950: '#000000',
  },
}

SCSS

$custom: #3f2cb0;
$custom-light: #8368c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2cb0",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 176
  },
  "hsl": {
    "h": 248.636,
    "s": 60,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41164,
    "c": 0.19609,
    "h": 279.9
  },
  "luminance": 0.05993
}

Semantic roles & 50–950 ramp

primary

#3F2CB0

secondary

#BAC672

accent

#E345CC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F2CB0

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

Preview Lab → · Contrast checker → · Palette generator →