#3936B5#3936B5

#3936B5 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.7% C 0.193 H 275.5°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#3936B5
RGB	rgb(57, 54, 181)
HSL	hsl(241, 54%, 46%)
HSV	hsv(241, 70%, 71%)
CMYK	cmyk(68.5%, 70.2%, 0%, 29%)
CIE-LAB	lab(31.45, 41.66, -66.54)
CIE-LCH	lch(31.45, 78.50, 302.05°)
OKLab	oklab(42.66% 0.0184 -0.1922)
OKLCH	oklch(42.66% 0.193 275.5)
XYZ	xyz(11.3443, 6.8434, 44.4302)
Luminance	0.0684 (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

#3936B5 #B2B536

analogous

#3672B5 #3936B5 #7836B5

triadic

#3936B5 #B53936 #36B539

tetradic

#3936B5 #B53672 #B2B536 #36B578

square

#3936B5 #B53672 #B2B536 #36B578

split-complementary

#3936B5 #B57836 #72B536

monochromatic

#1B1A57 #2A2886 #3936B5 #5D5ACE #8B89DC

Accessibility & contrast

On white

8.87

#3936B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3936B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3936B5

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3936B5	#FFFFFF	#000000	##FFFFFF
##3936B5	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B9

Deuteranopia (green-blind)

#0044B3

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3936b5;
/* rgb */ color: rgb(57, 54, 181);
/* oklch */ color: oklch(42.7% 0.193 275.5);

Tailwind

colors: {
  custom: {
    50: '#806ecc',
    500: '#3936b5',
    950: '#000000',
  },
}

SCSS

$custom: #3936b5;
$custom-light: #806ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3936b5",
  "rgb": {
    "r": 57,
    "g": 54,
    "b": 181
  },
  "hsl": {
    "h": 241.417,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42659,
    "c": 0.19312,
    "h": 275.5
  },
  "luminance": 0.06844
}

Semantic roles & 50–950 ramp

primary

#3936B5

secondary

#C4C681

accent

#DD4ADA

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3936B5

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

Preview Lab → · Contrast checker → · Palette generator →