#3B33AC#3B33AC

#3B33AC is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.5% C 0.185 H 277.6°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#3B33AC
RGB	rgb(59, 51, 172)
HSL	hsl(244, 54%, 44%)
HSV	hsv(244, 70%, 67%)
CMYK	cmyk(65.7%, 70.3%, 0%, 32.5%)
CIE-LAB	lab(30.10, 40.70, -63.38)
CIE-LCH	lch(30.10, 75.33, 302.70°)
OKLab	oklab(41.47% 0.0244 -0.183)
OKLCH	oklch(41.47% 0.185 277.6)
XYZ	xyz(10.4314, 6.2751, 39.6832)
Luminance	0.0628 (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

#3B33AC #A4AC33

analogous

#3367AC #3B33AC #7733AC

triadic

#3B33AC #AC3B33 #33AC3B

tetradic

#3B33AC #AC3367 #A4AC33 #33AC77

square

#3B33AC #AC3367 #A4AC33 #33AC77

split-complementary

#3B33AC #AC7733 #67AC33

monochromatic

#1B174E #2B257D #3B33AC #5951CB #8680D9

Accessibility & contrast

On white

9.31

#3B33AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3B33AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33AC

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33AC	#FFFFFF	#000000	##FFFFFF
##3B33AC	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB0

Deuteranopia (green-blind)

#0042AA

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3b33ac;
/* rgb */ color: rgb(59, 51, 172);
/* oklch */ color: oklch(41.5% 0.185 277.6);

Tailwind

colors: {
  custom: {
    50: '#806cc6',
    500: '#3b33ac',
    950: '#000000',
  },
}

SCSS

$custom: #3b33ac;
$custom-light: #806cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33ac",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 172
  },
  "hsl": {
    "h": 243.967,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41468,
    "c": 0.18458,
    "h": 277.6
  },
  "luminance": 0.06276
}

Semantic roles & 50–950 ramp

primary

#3B33AC

secondary

#BEC278

accent

#DE4AD4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3B33AC

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

Preview Lab → · Contrast checker → · Palette generator →