#3B33C5#3B33C5

#3B33C5 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.9% C 0.215 H 275.3°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3B33C5
RGB	rgb(59, 51, 197)
HSL	hsl(243, 59%, 49%)
HSV	hsv(243, 74%, 77%)
CMYK	cmyk(70.1%, 74.1%, 0%, 22.7%)
CIE-LAB	lab(32.54, 48.80, -74.17)
CIE-LCH	lch(32.54, 88.78, 303.34°)
OKLab	oklab(43.95% 0.0199 -0.2144)
OKLCH	oklch(43.95% 0.215 275.3)
XYZ	xyz(13.0622, 7.3274, 53.5385)
Luminance	0.0733 (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

#3B33C5 #BDC533

analogous

#3374C5 #3B33C5 #8433C5

triadic

#3B33C5 #C53B33 #33C53B

tetradic

#3B33C5 #C53374 #BDC533 #33C584

square

#3B33C5 #C53374 #BDC533 #33C584

split-complementary

#3B33C5 #C58433 #74C533

monochromatic

#1E1A64 #2C2694 #3B33C5 #665FD6 #9590E2

Accessibility & contrast

On white

8.52

#3B33C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3B33C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33C5

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33C5	#FFFFFF	#000000	##FFFFFF
##3B33C5	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C9

Deuteranopia (green-blind)

#0046C2

Tritanopia (blue-blind)

#005D79

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b33c5;
/* rgb */ color: rgb(59, 51, 197);
/* oklch */ color: oklch(43.9% 0.215 275.3);

Tailwind

colors: {
  custom: {
    50: '#856dd8',
    500: '#3b33c5',
    950: '#000000',
  },
}

SCSS

$custom: #3b33c5;
$custom-light: #856dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33c5",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 197
  },
  "hsl": {
    "h": 243.288,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43946,
    "c": 0.21535,
    "h": 275.3
  },
  "luminance": 0.07329
}

Semantic roles & 50–950 ramp

primary

#3B33C5

secondary

#C9CD87

accent

#E246D9

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3B33C5

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

Preview Lab → · Contrast checker → · Palette generator →