#3B3BB2#3B3BB2

#3B3BB2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.183 H 275.6°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#3B3BB2
RGB	rgb(59, 59, 178)
HSL	hsl(240, 50%, 46%)
HSV	hsv(240, 67%, 70%)
CMYK	cmyk(66.9%, 66.9%, 0%, 30.2%)
CIE-LAB	lab(32.42, 37.90, -63.16)
CIE-LCH	lch(32.42, 73.66, 300.96°)
OKLab	oklab(43.31% 0.0178 -0.1823)
OKLCH	oklch(43.31% 0.183 275.6)
XYZ	xyz(11.4008, 7.2711, 42.9135)
Luminance	0.0727 (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

#3B3BB2 #B2B23B

analogous

#3B77B2 #3B3BB2 #773BB2

triadic

#3B3BB2 #B23B3B #3BB23B

tetradic

#3B3BB2 #B23B77 #B2B23B #3BB277

square

#3B3BB2 #B23B77 #B2B23B #3BB277

split-complementary

#3B3BB2 #B2773B #77B23B

monochromatic

#1D1D56 #2C2C84 #3B3BB2 #6060CA #8E8EDA

Accessibility & contrast

On white

8.56

#3B3BB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3B3BB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3BB2

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3BB2	#FFFFFF	#000000	##FFFFFF
##3B3BB2	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3b3bb2;
/* rgb */ color: rgb(59, 59, 178);
/* oklch */ color: oklch(43.3% 0.183 275.6);

Tailwind

colors: {
  custom: {
    50: '#8071ca',
    500: '#3b3bb2',
    950: '#000000',
  },
}

SCSS

$custom: #3b3bb2;
$custom-light: #8071ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3bb2",
  "rgb": {
    "r": 59,
    "g": 59,
    "b": 178
  },
  "hsl": {
    "h": 240,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43309,
    "c": 0.18317,
    "h": 275.6
  },
  "luminance": 0.07272
}

Semantic roles & 50–950 ramp

primary

#3B3BB2

secondary

#C4C485

accent

#DA4EDA

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3B3BB2

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

Preview Lab → · Contrast checker → · Palette generator →