#3F33C2#3F33C2

#3F33C2 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.9% C 0.211 H 277.0°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3F33C2
RGB	rgb(63, 51, 194)
HSL	hsl(245, 58%, 48%)
HSV	hsv(245, 74%, 76%)
CMYK	cmyk(67.5%, 73.7%, 0%, 23.9%)
CIE-LAB	lab(32.52, 48.26, -72.43)
CIE-LCH	lch(32.52, 87.04, 303.68°)
OKLab	oklab(43.91% 0.0256 -0.2093)
OKLCH	oklch(43.91% 0.211 277)
XYZ	xyz(12.9682, 7.3183, 51.7576)
Luminance	0.0732 (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

#3F33C2 #B6C233

analogous

#336EC2 #3F33C2 #8633C2

triadic

#3F33C2 #C23F33 #33C23F

tetradic

#3F33C2 #C2336E #B6C233 #33C286

square

#3F33C2 #C2336E #B6C233 #33C286

split-complementary

#3F33C2 #C28633 #6EC233

monochromatic

#201A61 #2F2692 #3F33C2 #685ED5 #958EE1

Accessibility & contrast

On white

8.52

#3F33C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3F33C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F33C2

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F33C2	#FFFFFF	#000000	##FFFFFF
##3F33C2	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C6

Deuteranopia (green-blind)

#0046BF

Tritanopia (blue-blind)

#005C78

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f33c2;
/* rgb */ color: rgb(63, 51, 194);
/* oklch */ color: oklch(43.9% 0.211 277.0);

Tailwind

colors: {
  custom: {
    50: '#866dd6',
    500: '#3f33c2',
    950: '#000000',
  },
}

SCSS

$custom: #3f33c2;
$custom-light: #866dd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f33c2",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 194
  },
  "hsl": {
    "h": 245.035,
    "s": 58.367,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43914,
    "c": 0.21083,
    "h": 277
  },
  "luminance": 0.07319
}

Semantic roles & 50–950 ramp

primary

#3F33C2

secondary

#C6CC85

accent

#E246D5

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #3F33C2

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

Preview Lab → · Contrast checker → · Palette generator →