#3936C9#3936C9

#3936C9 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.6% C 0.218 H 274.0°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3936C9
RGB	rgb(57, 54, 201)
HSL	hsl(241, 58%, 50%)
HSV	hsv(241, 73%, 79%)
CMYK	cmyk(71.6%, 73.1%, 0%, 21.2%)
CIE-LAB	lab(33.40, 48.23, -75.09)
CIE-LCH	lch(33.40, 89.25, 302.71°)
OKLab	oklab(44.64% 0.0151 -0.2172)
OKLCH	oklch(44.64% 0.218 274)
XYZ	xyz(13.5456, 7.7239, 56.0240)
Luminance	0.0772 (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

#3936C9 #C6C936

analogous

#367DC9 #3936C9 #8236C9

triadic

#3936C9 #C93936 #36C939

tetradic

#3936C9 #C9367D #C6C936 #36C982

square

#3936C9 #C9367D #C6C936 #36C982

split-complementary

#3936C9 #C98236 #7DC936

monochromatic

#1E1C69 #2B2999 #3936C9 #6966D6 #9896E3

Accessibility & contrast

On white

8.25

#3936C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3936C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3936C9

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3936C9	#FFFFFF	#000000	##FFFFFF
##3936C9	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CD

Deuteranopia (green-blind)

#0048C6

Tritanopia (blue-blind)

#00607C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3936c9;
/* rgb */ color: rgb(57, 54, 201);
/* oklch */ color: oklch(44.6% 0.218 274.0);

Tailwind

colors: {
  custom: {
    50: '#856fdb',
    500: '#3936c9',
    950: '#000000',
  },
}

SCSS

$custom: #3936c9;
$custom-light: #856fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3936c9",
  "rgb": {
    "r": 57,
    "g": 54,
    "b": 201
  },
  "hsl": {
    "h": 241.224,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.44642,
    "c": 0.21772,
    "h": 274
  },
  "luminance": 0.07725
}

Semantic roles & 50–950 ramp

primary

#3936C9

secondary

#CDCE8C

accent

#E147DE

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3936C9

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

Preview Lab → · Contrast checker → · Palette generator →