#3B3BB9#3B3BB9

#3B3BB9 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.192 H 275.1°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3B3BB9
RGB	rgb(59, 59, 185)
HSL	hsl(240, 52%, 48%)
HSV	hsv(240, 68%, 73%)
CMYK	cmyk(68.1%, 68.1%, 0%, 27.5%)
CIE-LAB	lab(33.05, 40.26, -66.27)
CIE-LCH	lch(33.05, 77.55, 301.28°)
OKLab	oklab(43.96% 0.017 -0.1914)
OKLCH	oklch(43.96% 0.192 275.1)
XYZ	xyz(12.1217, 7.5594, 46.7098)
Luminance	0.0756 (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

#3B3BB9 #B9B93B

analogous

#3B7AB9 #3B3BB9 #7A3BB9

triadic

#3B3BB9 #B93B3B #3BB93B

tetradic

#3B3BB9 #B93B7A #B9B93B #3BB97A

square

#3B3BB9 #B93B7A #B9B93B #3BB97A

split-complementary

#3B3BB9 #B97A3B #7AB93B

monochromatic

#1D1D5C #2C2C8B #3B3BB9 #6464CD #9292DC

Accessibility & contrast

On white

8.36

#3B3BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3B3BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3BB9

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3BB9	#FFFFFF	#000000	##FFFFFF
##3B3BB9	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BD

Deuteranopia (green-blind)

#0048B7

Tritanopia (blue-blind)

#005D75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3b3bb9;
/* rgb */ color: rgb(59, 59, 185);
/* oklch */ color: oklch(44.0% 0.192 275.1);

Tailwind

colors: {
  custom: {
    50: '#8272cf',
    500: '#3b3bb9',
    950: '#000000',
  },
}

SCSS

$custom: #3b3bb9;
$custom-light: #8272cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3bb9",
  "rgb": {
    "r": 59,
    "g": 59,
    "b": 185
  },
  "hsl": {
    "h": 240,
    "s": 51.639,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4396,
    "c": 0.19216,
    "h": 275.1
  },
  "luminance": 0.07561
}

Semantic roles & 50–950 ramp

primary

#3B3BB9

secondary

#C7C788

accent

#DB4DDB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3B3BB9

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

Preview Lab → · Contrast checker → · Palette generator →