#3B33AD#3B33AD

#3B33AD is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.6% C 0.186 H 277.5°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3B33AD
RGB	rgb(59, 51, 173)
HSL	hsl(244, 54%, 44%)
HSV	hsv(244, 71%, 68%)
CMYK	cmyk(65.9%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(30.19, 41.03, -63.83)
CIE-LCH	lch(30.19, 75.88, 302.73°)
OKLab	oklab(41.56% 0.0242 -0.1843)
OKLCH	oklch(41.56% 0.186 277.5)
XYZ	xyz(10.5278, 6.3137, 40.1909)
Luminance	0.0631 (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

#3B33AD #A5AD33

analogous

#3368AD #3B33AD #7833AD

triadic

#3B33AD #AD3B33 #33AD3B

tetradic

#3B33AD #AD3368 #A5AD33 #33AD78

square

#3B33AD #AD3368 #A5AD33 #33AD78

split-complementary

#3B33AD #AD7833 #68AD33

monochromatic

#1B174E #2B257E #3B33AD #5951CC #8681DA

Accessibility & contrast

On white

9.28

#3B33AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3B33AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33AD

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33AD	#FFFFFF	#000000	##FFFFFF
##3B33AD	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB1

Deuteranopia (green-blind)

#0042AB

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3b33ad;
/* rgb */ color: rgb(59, 51, 173);
/* oklch */ color: oklch(41.6% 0.186 277.5);

Tailwind

colors: {
  custom: {
    50: '#806cc7',
    500: '#3b33ad',
    950: '#000000',
  },
}

SCSS

$custom: #3b33ad;
$custom-light: #806cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33ad",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 243.934,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41564,
    "c": 0.18585,
    "h": 277.5
  },
  "luminance": 0.06315
}

Semantic roles & 50–950 ramp

primary

#3B33AD

secondary

#BEC379

accent

#DE4AD4

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3B33AD

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

Preview Lab → · Contrast checker → · Palette generator →