#3B3BBF#3B3BBF

#3B3BBF is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.5% C 0.200 H 274.7°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3B3BBF
RGB	rgb(59, 59, 191)
HSL	hsl(240, 53%, 49%)
HSV	hsv(240, 69%, 75%)
CMYK	cmyk(69.1%, 69.1%, 0%, 25.1%)
CIE-LAB	lab(33.60, 42.28, -68.90)
CIE-LCH	lch(33.60, 80.84, 301.53°)
OKLab	oklab(44.53% 0.0162 -0.1991)
OKLCH	oklch(44.53% 0.2 274.7)
XYZ	xyz(12.7685, 7.8181, 50.1163)
Luminance	0.0782 (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

#3B3BBF #BFBF3B

analogous

#3B7DBF #3B3BBF #7D3BBF

triadic

#3B3BBF #BF3B3B #3BBF3B

tetradic

#3B3BBF #BF3B7D #BFBF3B #3BBF7D

square

#3B3BBF #BF3B7D #BFBF3B #3BBF7D

split-complementary

#3B3BBF #BF7D3B #7DBF3B

monochromatic

#1E1E61 #2D2D90 #3B3BBF #6767D0 #9696DF

Accessibility & contrast

On white

8.19

#3B3BBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3B3BBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3BBF

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3BBF	#FFFFFF	#000000	##FFFFFF
##3B3BBF	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C3

Deuteranopia (green-blind)

#0049BD

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3b3bbf;
/* rgb */ color: rgb(59, 59, 191);
/* oklch */ color: oklch(44.5% 0.200 274.7);

Tailwind

colors: {
  custom: {
    50: '#8372d3',
    500: '#3b3bbf',
    950: '#000000',
  },
}

SCSS

$custom: #3b3bbf;
$custom-light: #8372d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3bbf",
  "rgb": {
    "r": 59,
    "g": 59,
    "b": 191
  },
  "hsl": {
    "h": 240,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44528,
    "c": 0.19975,
    "h": 274.7
  },
  "luminance": 0.07819
}

Semantic roles & 50–950 ramp

primary

#3B3BBF

secondary

#CACA8C

accent

#DC4CDC

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3B3BBF

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

Preview Lab → · Contrast checker → · Palette generator →