#3F2BA4#3F2BA4

#3F2BA4 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.8% C 0.182 H 281.8°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F2BA4
RGB	rgb(63, 43, 164)
HSL	hsl(250, 58%, 41%)
HSV	hsv(250, 74%, 64%)
CMYK	cmyk(61.6%, 73.8%, 0%, 35.7%)
CIE-LAB	lab(28.02, 43.22, -61.97)
CIE-LCH	lch(28.02, 75.55, 304.89°)
OKLab	oklab(39.84% 0.0372 -0.1787)
OKLCH	oklch(39.84% 0.183 281.8)
XYZ	xyz(9.6125, 5.4642, 35.6629)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2BA4 #90A42B

analogous

#2B54A4 #3F2BA4 #7B2BA4

triadic

#3F2BA4 #A43F2B #2BA43F

tetradic

#3F2BA4 #A42B54 #90A42B #2BA47B

square

#3F2BA4 #A42B54 #90A42B #2BA47B

split-complementary

#3F2BA4 #A47B2B #54A42B

monochromatic

#1A1243 #2C1E74 #3F2BA4 #573FCD #8170D9

Accessibility & contrast

On white

10.03

#3F2BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3F2BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2BA4

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2BA4	#FFFFFF	#000000	##FFFFFF
##3F2BA4	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A8

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f2ba4;
/* rgb */ color: rgb(63, 43, 164);
/* oklch */ color: oklch(39.8% 0.182 281.8);

Tailwind

colors: {
  custom: {
    50: '#8167c0',
    500: '#3f2ba4',
    950: '#000000',
  },
}

SCSS

$custom: #3f2ba4;
$custom-light: #8167c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2ba4",
  "rgb": {
    "r": 63,
    "g": 43,
    "b": 164
  },
  "hsl": {
    "h": 249.917,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39836,
    "c": 0.1825,
    "h": 281.8
  },
  "luminance": 0.05465
}

Semantic roles & 50–950 ramp

primary

#3F2BA4

secondary

#B2C16A

accent

#E246C8

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2BA4

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

Preview Lab → · Contrast checker → · Palette generator →