#3F2BB9#3F2BB9

#3F2BB9 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.0% C 0.208 H 278.9°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#3F2BB9
RGB	rgb(63, 43, 185)
HSL	hsl(248, 62%, 45%)
HSV	hsv(248, 77%, 73%)
CMYK	cmyk(65.9%, 76.8%, 0%, 27.5%)
CIE-LAB	lab(30.12, 49.69, -71.08)
CIE-LCH	lch(30.12, 86.72, 304.96°)
OKLab	oklab(41.95% 0.0322 -0.2052)
OKLCH	oklch(41.95% 0.208 278.9)
XYZ	xyz(11.6679, 6.2863, 46.4880)
Luminance	0.0629 (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

#3F2BB9 #A5B92B

analogous

#2B5EB9 #3F2BB9 #862BB9

triadic

#3F2BB9 #B93F2B #2BB93F

tetradic

#3F2BB9 #B92B5E #A5B92B #2BB986

square

#3F2BB9 #B92B5E #A5B92B #2BB986

split-complementary

#3F2BB9 #B9862B #5EB92B

monochromatic

#1D1456 #2E1F87 #3F2BB9 #5F4CD5 #8C7EE1

Accessibility & contrast

On white

9.30

#3F2BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3F2BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2BB9

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2BB9	#FFFFFF	#000000	##FFFFFF
##3F2BB9	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBD

Deuteranopia (green-blind)

#0041B6

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f2bb9;
/* rgb */ color: rgb(63, 43, 185);
/* oklch */ color: oklch(42.0% 0.208 278.9);

Tailwind

colors: {
  custom: {
    50: '#8568cf',
    500: '#3f2bb9',
    950: '#000000',
  },
}

SCSS

$custom: #3f2bb9;
$custom-light: #8568cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2bb9",
  "rgb": {
    "r": 63,
    "g": 43,
    "b": 185
  },
  "hsl": {
    "h": 248.451,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41952,
    "c": 0.20776,
    "h": 278.9
  },
  "luminance": 0.06287
}

Semantic roles & 50–950 ramp

primary

#3F2BB9

secondary

#BEC976

accent

#E542CE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F2BB9

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

Preview Lab → · Contrast checker → · Palette generator →