#3938C9#3938C9

#3938C9 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.9% C 0.216 H 273.7°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#3938C9
RGB	rgb(57, 56, 201)
HSL	hsl(240, 57%, 50%)
HSV	hsv(240, 72%, 79%)
CMYK	cmyk(71.6%, 72.1%, 0%, 21.2%)
CIE-LAB	lab(33.80, 47.11, -74.43)
CIE-LCH	lch(33.80, 88.08, 302.33°)
OKLab	oklab(44.93% 0.0141 -0.2153)
OKLCH	oklch(44.93% 0.216 273.7)
XYZ	xyz(13.6406, 7.9139, 56.0557)
Luminance	0.0791 (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

#3938C9 #C8C938

analogous

#387FC9 #3938C9 #8238C9

triadic

#3938C9 #C93938 #38C939

tetradic

#3938C9 #C9387F #C8C938 #38C982

square

#3938C9 #C9387F #C8C938 #38C982

split-complementary

#3938C9 #C98238 #7FC938

monochromatic

#1D1D6A #2B2A9A #3938C9 #6968D6 #9998E3

Accessibility & contrast

On white

8.13

#3938C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3938C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3938C9

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3938C9	#FFFFFF	#000000	##FFFFFF
##3938C9	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CD

Deuteranopia (green-blind)

#0049C6

Tritanopia (blue-blind)

#00617D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3938c9;
/* rgb */ color: rgb(57, 56, 201);
/* oklch */ color: oklch(44.9% 0.216 273.7);

Tailwind

colors: {
  custom: {
    50: '#8470db',
    500: '#3938c9',
    950: '#000000',
  },
}

SCSS

$custom: #3938c9;
$custom-light: #8470db;
$custom-dark: #000000;

JSON

{
  "hex": "#3938c9",
  "rgb": {
    "r": 57,
    "g": 56,
    "b": 201
  },
  "hsl": {
    "h": 240.414,
    "s": 57.312,
    "l": 50.392
  },
  "oklch": {
    "l": 0.44928,
    "c": 0.21573,
    "h": 273.7
  },
  "luminance": 0.07915
}

Semantic roles & 50–950 ramp

primary

#3938C9

secondary

#CECF8E

accent

#E147E0

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3938C9

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

Preview Lab → · Contrast checker → · Palette generator →