#3B47DB#3B47DB

#3B47DB is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.1% C 0.222 H 271.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3B47DB
RGB	rgb(59, 71, 219)
HSL	hsl(236, 69%, 55%)
HSV	hsv(236, 73%, 86%)
CMYK	cmyk(73.1%, 67.6%, 0%, 14.1%)
CIE-LAB	lab(38.81, 44.57, -76.58)
CIE-LCH	lch(38.81, 88.61, 300.20°)
OKLab	oklab(49.08% 0.0058 -0.2215)
OKLCH	oklch(49.08% 0.222 271.5)
XYZ	xyz(16.8387, 10.5490, 68.1528)
Luminance	0.1055 (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

#3B47DB #DBCF3B

analogous

#3B97DB #3B47DB #7F3BDB

triadic

#3B47DB #DB3B47 #47DB3B

tetradic

#3B47DB #DB3B97 #DBCF3B #3BDB7F

square

#3B47DB #DB3B97 #DBCF3B #3BDB7F

split-complementary

#3B47DB #DB7F3B #97DB3B

monochromatic

#182083 #222DB7 #3B47DB #6F78E4 #A2A8EE

Accessibility & contrast

On white

6.75

#3B47DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3B47DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B47DB

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B47DB	#FFFFFF	#000000	##FFFFFF
##3B47DB	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E0

Deuteranopia (green-blind)

#0054D8

Tritanopia (blue-blind)

#006F8B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3b47db;
/* rgb */ color: rgb(59, 71, 219);
/* oklch */ color: oklch(49.1% 0.222 271.5);

Tailwind

colors: {
  custom: {
    50: '#887be7',
    500: '#3b47db',
    950: '#000000',
  },
}

SCSS

$custom: #3b47db;
$custom-light: #887be7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b47db",
  "rgb": {
    "r": 59,
    "g": 71,
    "b": 219
  },
  "hsl": {
    "h": 235.5,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.49075,
    "c": 0.22161,
    "h": 271.5
  },
  "luminance": 0.10551
}

Semantic roles & 50–950 ramp

primary

#3B47DB

secondary

#DBD697

accent

#DF3CEC

background

#F9F7FE

surface

#F1EEFD

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3B47DB

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

Preview Lab → · Contrast checker → · Palette generator →