#3B3FDB#3B3FDB

#3B3FDB is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.9% C 0.230 H 272.5°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#3B3FDB
RGB	rgb(59, 63, 219)
HSL	hsl(239, 69%, 55%)
HSV	hsv(239, 73%, 86%)
CMYK	cmyk(73.1%, 71.2%, 0%, 14.1%)
CIE-LAB	lab(37.11, 49.23, -79.38)
CIE-LCH	lch(37.11, 93.40, 301.80°)
OKLab	oklab(47.85% 0.01 -0.2297)
OKLCH	oklch(47.85% 0.23 272.5)
XYZ	xyz(16.3630, 9.5976, 67.9943)
Luminance	0.0960 (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

#3B3FDB #DBD73B

analogous

#3B8FDB #3B3FDB #873BDB

triadic

#3B3FDB #DB3B3F #3FDB3B

tetradic

#3B3FDB #DB3B8F #DBD73B #3BDB87

square

#3B3FDB #DB3B8F #DBD73B #3BDB87

split-complementary

#3B3FDB #DB873B #8FDB3B

monochromatic

#181B83 #2225B7 #3B3FDB #6F72E4 #A2A4EE

Accessibility & contrast

On white

7.19

#3B3FDB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#3B3FDB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3FDB

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3FDB	#FFFFFF	#000000	##FFFFFF
##3B3FDB	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FE0

Deuteranopia (green-blind)

#0050D8

Tritanopia (blue-blind)

#006B89

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3b3fdb;
/* rgb */ color: rgb(59, 63, 219);
/* oklch */ color: oklch(47.9% 0.230 272.5);

Tailwind

colors: {
  custom: {
    50: '#8975e8',
    500: '#3b3fdb',
    950: '#000000',
  },
}

SCSS

$custom: #3b3fdb;
$custom-light: #8975e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3fdb",
  "rgb": {
    "r": 59,
    "g": 63,
    "b": 219
  },
  "hsl": {
    "h": 238.5,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.47851,
    "c": 0.2299,
    "h": 272.5
  },
  "luminance": 0.09599
}

Semantic roles & 50–950 ramp

primary

#3B3FDB

secondary

#DBD997

accent

#E73CEC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3B3FDB

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

Preview Lab → · Contrast checker → · Palette generator →