#3F2EB8#3F2EB8

#3F2EB8 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.2% C 0.204 H 278.7°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F2EB8
RGB	rgb(63, 46, 184)
HSL	hsl(247, 60%, 45%)
HSV	hsv(247, 75%, 72%)
CMYK	cmyk(65.8%, 75%, 0%, 27.8%)
CIE-LAB	lab(30.57, 47.82, -69.75)
CIE-LCH	lch(30.57, 84.57, 304.44°)
OKLab	oklab(42.24% 0.0307 -0.2014)
OKLCH	oklch(42.24% 0.204 278.7)
XYZ	xyz(11.6758, 6.4705, 45.9717)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Indigo Blue

#3A18B1

ΔE00 4.26

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2EB8 #A7B82E

analogous

#2E62B8 #3F2EB8 #842EB8

triadic

#3F2EB8 #B83F2E #2EB83F

tetradic

#3F2EB8 #B82E62 #A7B82E #2EB884

square

#3F2EB8 #B82E62 #A7B82E #2EB884

split-complementary

#3F2EB8 #B8842E #62B82E

monochromatic

#1D1656 #2E2287 #3F2EB8 #6050D3 #8D81DF

Accessibility & contrast

On white

9.15

#3F2EB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3F2EB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2EB8

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2EB8	#FFFFFF	#000000	##FFFFFF
##3F2EB8	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBC

Deuteranopia (green-blind)

#0042B6

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f2eb8;
/* rgb */ color: rgb(63, 46, 184);
/* oklch */ color: oklch(42.2% 0.204 278.7);

Tailwind

colors: {
  custom: {
    50: '#846acf',
    500: '#3f2eb8',
    950: '#000000',
  },
}

SCSS

$custom: #3f2eb8;
$custom-light: #846acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2eb8",
  "rgb": {
    "r": 63,
    "g": 46,
    "b": 184
  },
  "hsl": {
    "h": 247.391,
    "s": 60,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42236,
    "c": 0.20374,
    "h": 278.7
  },
  "luminance": 0.06471
}

Semantic roles & 50–950 ramp

primary

#3F2EB8

secondary

#BFC879

accent

#E345D0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F2EB8

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

Preview Lab → · Contrast checker → · Palette generator →