#3F33C3#3F33C3

#3F33C3 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.0% C 0.212 H 276.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F33C3
RGB	rgb(63, 51, 195)
HSL	hsl(245, 59%, 48%)
HSV	hsv(245, 74%, 76%)
CMYK	cmyk(67.7%, 73.8%, 0%, 23.5%)
CIE-LAB	lab(32.62, 48.58, -72.85)
CIE-LCH	lch(32.62, 87.56, 303.69°)
OKLab	oklab(44.01% 0.0254 -0.2105)
OKLCH	oklch(44.01% 0.212 276.9)
XYZ	xyz(13.0808, 7.3634, 52.3511)
Luminance	0.0736 (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

#3F33C3 #B7C333

analogous

#336FC3 #3F33C3 #8733C3

triadic

#3F33C3 #C33F33 #33C33F

tetradic

#3F33C3 #C3336F #B7C333 #33C387

square

#3F33C3 #C3336F #B7C333 #33C387

split-complementary

#3F33C3 #C38733 #6FC333

monochromatic

#201A62 #2F2692 #3F33C3 #685ED5 #968FE2

Accessibility & contrast

On white

8.49

#3F33C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3F33C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F33C3

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F33C3	#FFFFFF	#000000	##FFFFFF
##3F33C3	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C7

Deuteranopia (green-blind)

#0046C0

Tritanopia (blue-blind)

#005C78

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f33c3;
/* rgb */ color: rgb(63, 51, 195);
/* oklch */ color: oklch(44.0% 0.212 276.9);

Tailwind

colors: {
  custom: {
    50: '#866dd6',
    500: '#3f33c3',
    950: '#000000',
  },
}

SCSS

$custom: #3f33c3;
$custom-light: #866dd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f33c3",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 195
  },
  "hsl": {
    "h": 245,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44014,
    "c": 0.21202,
    "h": 276.9
  },
  "luminance": 0.07365
}

Semantic roles & 50–950 ramp

primary

#3F33C3

secondary

#C6CC86

accent

#E246D5

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F33C3

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

Preview Lab → · Contrast checker → · Palette generator →