#3936B9#3936B9

#3936B9 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.0% C 0.198 H 275.2°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3936B9
RGB	rgb(57, 54, 185)
HSL	hsl(241, 55%, 47%)
HSV	hsv(241, 71%, 73%)
CMYK	cmyk(69.2%, 70.8%, 0%, 27.5%)
CIE-LAB	lab(31.83, 42.99, -68.28)
CIE-LCH	lch(31.83, 80.69, 302.20°)
OKLab	oklab(43.05% 0.0178 -0.1973)
OKLCH	oklch(43.05% 0.198 275.2)
XYZ	xyz(11.7606, 7.0099, 46.6228)
Luminance	0.0701 (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

#3936B9 #B6B936

analogous

#3675B9 #3936B9 #7B36B9

triadic

#3936B9 #B93936 #36B939

tetradic

#3936B9 #B93675 #B6B936 #36B97B

square

#3936B9 #B93675 #B6B936 #36B97B

split-complementary

#3936B9 #B97B36 #75B936

monochromatic

#1C1A5A #2A288A #3936B9 #5F5DD0 #8E8CDD

Accessibility & contrast

On white

8.74

#3936B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3936B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3936B9

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3936B9	#FFFFFF	#000000	##FFFFFF
##3936B9	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BD

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3936b9;
/* rgb */ color: rgb(57, 54, 185);
/* oklch */ color: oklch(43.0% 0.198 275.2);

Tailwind

colors: {
  custom: {
    50: '#816ecf',
    500: '#3936b9',
    950: '#000000',
  },
}

SCSS

$custom: #3936b9;
$custom-light: #816ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3936b9",
  "rgb": {
    "r": 57,
    "g": 54,
    "b": 185
  },
  "hsl": {
    "h": 241.374,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43048,
    "c": 0.19813,
    "h": 275.2
  },
  "luminance": 0.07011
}

Semantic roles & 50–950 ramp

primary

#3936B9

secondary

#C6C883

accent

#DE4ADB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3936B9

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

Preview Lab → · Contrast checker → · Palette generator →