#3936BA#3936BA

#3936BA is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.199 H 275.1°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3936BA
RGB	rgb(57, 54, 186)
HSL	hsl(241, 55%, 47%)
HSV	hsv(241, 71%, 73%)
CMYK	cmyk(69.4%, 71%, 0%, 27.1%)
CIE-LAB	lab(31.93, 43.32, -68.71)
CIE-LCH	lch(31.93, 81.23, 302.23°)
OKLab	oklab(43.15% 0.0177 -0.1986)
OKLCH	oklch(43.15% 0.199 275.1)
XYZ	xyz(11.8665, 7.0523, 47.1807)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.66

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3936BA #B7BA36

analogous

#3675BA #3936BA #7B36BA

triadic

#3936BA #BA3936 #36BA39

tetradic

#3936BA #BA3675 #B7BA36 #36BA7B

square

#3936BA #BA3675 #B7BA36 #36BA7B

split-complementary

#3936BA #BA7B36 #75BA36

monochromatic

#1C1A5B #2A288B #3936BA #605DD0 #8E8DDE

Accessibility & contrast

On white

8.71

#3936BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3936BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3936BA

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3936BA	#FFFFFF	#000000	##FFFFFF
##3936BA	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BE

Deuteranopia (green-blind)

#0045B8

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3936ba;
/* rgb */ color: rgb(57, 54, 186);
/* oklch */ color: oklch(43.1% 0.199 275.1);

Tailwind

colors: {
  custom: {
    50: '#816ed0',
    500: '#3936ba',
    950: '#000000',
  },
}

SCSS

$custom: #3936ba;
$custom-light: #816ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3936ba",
  "rgb": {
    "r": 57,
    "g": 54,
    "b": 186
  },
  "hsl": {
    "h": 241.364,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43146,
    "c": 0.19937,
    "h": 275.1
  },
  "luminance": 0.07053
}

Semantic roles & 50–950 ramp

primary

#3936BA

secondary

#C7C884

accent

#DE49DB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3936BA

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

Preview Lab → · Contrast checker → · Palette generator →