#3F2FB9#3F2FB9

#3F2FB9 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.204 H 278.4°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F2FB9
RGB	rgb(63, 47, 185)
HSL	hsl(247, 59%, 45%)
HSV	hsv(247, 75%, 73%)
CMYK	cmyk(65.9%, 74.6%, 0%, 27.5%)
CIE-LAB	lab(30.86, 47.60, -69.86)
CIE-LCH	lch(30.86, 84.54, 304.27°)
OKLab	oklab(42.47% 0.0299 -0.2018)
OKLCH	oklch(42.47% 0.204 278.4)
XYZ	xyz(11.8206, 6.5916, 46.5389)
Luminance	0.0659 (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

#3F2FB9 #A9B92F

analogous

#2F64B9 #3F2FB9 #842FB9

triadic

#3F2FB9 #B93F2F #2FB93F

tetradic

#3F2FB9 #B92F64 #A9B92F #2FB984

square

#3F2FB9 #B92F64 #A9B92F #2FB984

split-complementary

#3F2FB9 #B9842F #64B92F

monochromatic

#1E1657 #2E2388 #3F2FB9 #6152D3 #8E83DF

Accessibility & contrast

On white

9.06

#3F2FB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3F2FB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2FB9

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2FB9	#FFFFFF	#000000	##FFFFFF
##3F2FB9	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBD

Deuteranopia (green-blind)

#0043B7

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f2fb9;
/* rgb */ color: rgb(63, 47, 185);
/* oklch */ color: oklch(42.5% 0.204 278.4);

Tailwind

colors: {
  custom: {
    50: '#846acf',
    500: '#3f2fb9',
    950: '#000000',
  },
}

SCSS

$custom: #3f2fb9;
$custom-light: #846acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2fb9",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 185
  },
  "hsl": {
    "h": 246.957,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42469,
    "c": 0.20396,
    "h": 278.4
  },
  "luminance": 0.06593
}

Semantic roles & 50–950 ramp

primary

#3F2FB9

secondary

#C0C97B

accent

#E345D0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3F2FB9

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

Preview Lab → · Contrast checker → · Palette generator →