#3B3BB8#3B3BB8

#3B3BB8 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.191 H 275.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3B3BB8
RGB	rgb(59, 59, 184)
HSL	hsl(240, 51%, 48%)
HSV	hsv(240, 68%, 72%)
CMYK	cmyk(67.9%, 67.9%, 0%, 27.8%)
CIE-LAB	lab(32.96, 39.93, -65.83)
CIE-LCH	lch(32.96, 76.99, 301.24°)
OKLab	oklab(43.87% 0.0171 -0.1901)
OKLCH	oklch(43.87% 0.191 275.1)
XYZ	xyz(12.0165, 7.5173, 46.1558)
Luminance	0.0752 (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

#3B3BB8 #B8B83B

analogous

#3B79B8 #3B3BB8 #793BB8

triadic

#3B3BB8 #B83B3B #3BB83B

tetradic

#3B3BB8 #B83B79 #B8B83B #3BB879

square

#3B3BB8 #B83B79 #B8B83B #3BB879

split-complementary

#3B3BB8 #B8793B #79B83B

monochromatic

#1D1D5B #2C2C8A #3B3BB8 #6363CD #9292DC

Accessibility & contrast

On white

8.39

#3B3BB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3B3BB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3BB8

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3BB8	#FFFFFF	#000000	##FFFFFF
##3B3BB8	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BC

Deuteranopia (green-blind)

#0048B6

Tritanopia (blue-blind)

#005C74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b3bb8;
/* rgb */ color: rgb(59, 59, 184);
/* oklch */ color: oklch(43.9% 0.191 275.1);

Tailwind

colors: {
  custom: {
    50: '#8172ce',
    500: '#3b3bb8',
    950: '#000000',
  },
}

SCSS

$custom: #3b3bb8;
$custom-light: #8172ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3bb8",
  "rgb": {
    "r": 59,
    "g": 59,
    "b": 184
  },
  "hsl": {
    "h": 240,
    "s": 51.44,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43866,
    "c": 0.19089,
    "h": 275.1
  },
  "luminance": 0.07518
}

Semantic roles & 50–950 ramp

primary

#3B3BB8

secondary

#C7C788

accent

#DB4DDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3B3BB8

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

Preview Lab → · Contrast checker → · Palette generator →