#3936B8#3936B8

#3936B8 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.0% C 0.197 H 275.2°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#3936B8
RGB	rgb(57, 54, 184)
HSL	hsl(241, 55%, 47%)
HSV	hsv(241, 71%, 72%)
CMYK	cmyk(69%, 70.7%, 0%, 27.8%)
CIE-LAB	lab(31.73, 42.66, -67.85)
CIE-LCH	lch(31.73, 80.14, 302.16°)
OKLab	oklab(42.95% 0.018 -0.1961)
OKLCH	oklch(42.95% 0.197 275.2)
XYZ	xyz(11.6554, 6.9678, 46.0688)
Luminance	0.0697 (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

#3936B8 #B5B836

analogous

#3674B8 #3936B8 #7A36B8

triadic

#3936B8 #B83936 #36B839

tetradic

#3936B8 #B83674 #B5B836 #36B87A

square

#3936B8 #B83674 #B5B836 #36B87A

split-complementary

#3936B8 #B87A36 #74B836

monochromatic

#1C1A59 #2A2889 #3936B8 #5F5CCF #8D8BDD

Accessibility & contrast

On white

8.77

#3936B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3936B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3936B8

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3936B8	#FFFFFF	#000000	##FFFFFF
##3936B8	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0045B6

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3936b8;
/* rgb */ color: rgb(57, 54, 184);
/* oklch */ color: oklch(43.0% 0.197 275.2);

Tailwind

colors: {
  custom: {
    50: '#816ece',
    500: '#3936b8',
    950: '#000000',
  },
}

SCSS

$custom: #3936b8;
$custom-light: #816ece;
$custom-dark: #000000;

JSON

{
  "hex": "#3936b8",
  "rgb": {
    "r": 57,
    "g": 54,
    "b": 184
  },
  "hsl": {
    "h": 241.385,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42951,
    "c": 0.19688,
    "h": 275.2
  },
  "luminance": 0.06969
}

Semantic roles & 50–950 ramp

primary

#3936B8

secondary

#C6C782

accent

#DE4ADB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3936B8

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

Preview Lab → · Contrast checker → · Palette generator →