#3B3BB5#3B3BB5

#3B3BB5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.6% C 0.187 H 275.4°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#3B3BB5
RGB	rgb(59, 59, 181)
HSL	hsl(240, 51%, 47%)
HSV	hsv(240, 67%, 71%)
CMYK	cmyk(67.4%, 67.4%, 0%, 29%)
CIE-LAB	lab(32.69, 38.91, -64.50)
CIE-LCH	lch(32.69, 75.33, 301.10°)
OKLab	oklab(43.59% 0.0175 -0.1862)
OKLCH	oklch(43.59% 0.187 275.4)
XYZ	xyz(11.7053, 7.3929, 44.5172)
Luminance	0.0739 (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

#3B3BB5 #B5B53B

analogous

#3B78B5 #3B3BB5 #783BB5

triadic

#3B3BB5 #B53B3B #3BB53B

tetradic

#3B3BB5 #B53B78 #B5B53B #3BB578

square

#3B3BB5 #B53B78 #B5B53B #3BB578

split-complementary

#3B3BB5 #B5783B #78B53B

monochromatic

#1D1D59 #2C2C87 #3B3BB5 #6262CC #9090DB

Accessibility & contrast

On white

8.47

#3B3BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3B3BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3BB5

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3BB5	#FFFFFF	#000000	##FFFFFF
##3B3BB5	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B9

Deuteranopia (green-blind)

#0047B3

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3b3bb5;
/* rgb */ color: rgb(59, 59, 181);
/* oklch */ color: oklch(43.6% 0.187 275.4);

Tailwind

colors: {
  custom: {
    50: '#8171cc',
    500: '#3b3bb5',
    950: '#000000',
  },
}

SCSS

$custom: #3b3bb5;
$custom-light: #8171cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3bb5",
  "rgb": {
    "r": 59,
    "g": 59,
    "b": 181
  },
  "hsl": {
    "h": 240,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43586,
    "c": 0.18704,
    "h": 275.4
  },
  "luminance": 0.07394
}

Semantic roles & 50–950 ramp

primary

#3B3BB5

secondary

#C6C686

accent

#DA4DDA

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #3B3BB5

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

Preview Lab → · Contrast checker → · Palette generator →