#3B33C0#3B33C0

#3B33C0 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.4% C 0.209 H 275.7°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#3B33C0
RGB	rgb(59, 51, 192)
HSL	hsl(243, 58%, 48%)
HSV	hsv(243, 73%, 75%)
CMYK	cmyk(69.3%, 73.4%, 0%, 24.7%)
CIE-LAB	lab(32.04, 47.20, -72.06)
CIE-LCH	lch(32.04, 86.14, 303.22°)
OKLab	oklab(43.44% 0.0208 -0.2083)
OKLCH	oklch(43.44% 0.209 275.7)
XYZ	xyz(12.4988, 7.1021, 50.5711)
Luminance	0.0710 (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

#3B33C0 #B8C033

analogous

#3372C0 #3B33C0 #8133C0

triadic

#3B33C0 #C03B33 #33C03B

tetradic

#3B33C0 #C03372 #B8C033 #33C081

square

#3B33C0 #C03372 #B8C033 #33C081

split-complementary

#3B33C0 #C08133 #72C033

monochromatic

#1D195F #2C2690 #3B33C0 #635CD4 #928DE1

Accessibility & contrast

On white

8.68

#3B33C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3B33C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33C0

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33C0	#FFFFFF	#000000	##FFFFFF
##3B33C0	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C4

Deuteranopia (green-blind)

#0045BD

Tritanopia (blue-blind)

#005B77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3b33c0;
/* rgb */ color: rgb(59, 51, 192);
/* oklch */ color: oklch(43.4% 0.209 275.7);

Tailwind

colors: {
  custom: {
    50: '#846dd4',
    500: '#3b33c0',
    950: '#000000',
  },
}

SCSS

$custom: #3b33c0;
$custom-light: #846dd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33c0",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 192
  },
  "hsl": {
    "h": 243.404,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43439,
    "c": 0.20933,
    "h": 275.7
  },
  "luminance": 0.07103
}

Semantic roles & 50–950 ramp

primary

#3B33C0

secondary

#C7CB84

accent

#E147D8

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3B33C0

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

Preview Lab → · Contrast checker → · Palette generator →