#3936BB#3936BB

#3936BB is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.2% C 0.201 H 275.0°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#3936BB
RGB	rgb(57, 54, 187)
HSL	hsl(241, 55%, 47%)
HSV	hsv(241, 71%, 73%)
CMYK	cmyk(69.5%, 71.1%, 0%, 26.7%)
CIE-LAB	lab(32.02, 43.65, -69.15)
CIE-LCH	lch(32.02, 81.77, 302.27°)
OKLab	oklab(43.24% 0.0175 -0.1998)
OKLCH	oklch(43.24% 0.201 275)
XYZ	xyz(11.9732, 7.0949, 47.7425)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.75

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3936BB #B8BB36

analogous

#3676BB #3936BB #7B36BB

triadic

#3936BB #BB3936 #36BB39

tetradic

#3936BB #BB3676 #B8BB36 #36BB7B

square

#3936BB #BB3676 #B8BB36 #36BB7B

split-complementary

#3936BB #BB7B36 #76BB36

monochromatic

#1C1B5C #2B288C #3936BB #605ED0 #8F8DDE

Accessibility & contrast

On white

8.68

#3936BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3936BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3936BB

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3936BB	#FFFFFF	#000000	##FFFFFF
##3936BB	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BF

Deuteranopia (green-blind)

#0045B9

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3936bb;
/* rgb */ color: rgb(57, 54, 187);
/* oklch */ color: oklch(43.2% 0.201 275.0);

Tailwind

colors: {
  custom: {
    50: '#826ed1',
    500: '#3936bb',
    950: '#000000',
  },
}

SCSS

$custom: #3936bb;
$custom-light: #826ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3936bb",
  "rgb": {
    "r": 57,
    "g": 54,
    "b": 187
  },
  "hsl": {
    "h": 241.353,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43244,
    "c": 0.20061,
    "h": 275
  },
  "luminance": 0.07096
}

Semantic roles & 50–950 ramp

primary

#3936BB

secondary

#C7C984

accent

#DF49DB

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3936BB

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

Preview Lab → · Contrast checker → · Palette generator →