#3B3BBB#3B3BBB

#3B3BBB is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.1% C 0.195 H 274.9°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#3B3BBB
RGB	rgb(59, 59, 187)
HSL	hsl(240, 52%, 48%)
HSV	hsv(240, 68%, 73%)
CMYK	cmyk(68.4%, 68.4%, 0%, 26.7%)
CIE-LAB	lab(33.23, 40.94, -67.15)
CIE-LCH	lch(33.23, 78.65, 301.37°)
OKLab	oklab(44.15% 0.0168 -0.194)
OKLCH	oklch(44.15% 0.195 274.9)
XYZ	xyz(12.3343, 7.6445, 47.8296)
Luminance	0.0765 (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

#3B3BBB #BBBB3B

analogous

#3B7BBB #3B3BBB #7B3BBB

triadic

#3B3BBB #BB3B3B #3BBB3B

tetradic

#3B3BBB #BB3B7B #BBBB3B #3BBB7B

square

#3B3BBB #BB3B7B #BBBB3B #3BBB7B

split-complementary

#3B3BBB #BB7B3B #7BBB3B

monochromatic

#1E1E5E #2C2C8C #3B3BBB #6565CE #9393DD

Accessibility & contrast

On white

8.30

#3B3BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3B3BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3BBB

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3BBB	#FFFFFF	#000000	##FFFFFF
##3B3BBB	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#0048B9

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3b3bbb;
/* rgb */ color: rgb(59, 59, 187);
/* oklch */ color: oklch(44.1% 0.195 274.9);

Tailwind

colors: {
  custom: {
    50: '#8272d1',
    500: '#3b3bbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b3bbb;
$custom-light: #8272d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3bbb",
  "rgb": {
    "r": 59,
    "g": 59,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44148,
    "c": 0.1947,
    "h": 274.9
  },
  "luminance": 0.07646
}

Semantic roles & 50–950 ramp

primary

#3B3BBB

secondary

#C8C88A

accent

#DB4CDB

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3B3BBB

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

Preview Lab → · Contrast checker → · Palette generator →