#3736B2#3736B2

#3736B2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.2% C 0.190 H 275.0°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#3736B2
RGB	rgb(55, 54, 178)
HSL	hsl(240, 53%, 45%)
HSV	hsv(240, 70%, 70%)
CMYK	cmyk(69.1%, 69.7%, 0%, 30.2%)
CIE-LAB	lab(31.03, 40.42, -65.45)
CIE-LCH	lch(31.03, 76.92, 301.70°)
OKLab	oklab(42.24% 0.0164 -0.1891)
OKLCH	oklch(42.24% 0.19 275)
XYZ	xyz(10.9279, 6.6639, 42.8212)
Luminance	0.0667 (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

#3736B2 #B1B236

analogous

#3673B2 #3736B2 #7536B2

triadic

#3736B2 #B23736 #36B237

tetradic

#3736B2 #B23673 #B1B236 #36B275

square

#3736B2 #B23673 #B1B236 #36B275

split-complementary

#3736B2 #B27536 #73B236

monochromatic

#1A1A54 #282883 #3736B2 #5A59CD #8888DB

Accessibility & contrast

On white

9.00

#3736B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3736B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736B2

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736B2	#FFFFFF	#000000	##FFFFFF
##3736B2	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB6

Deuteranopia (green-blind)

#0043B0

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3736b2;
/* rgb */ color: rgb(55, 54, 178);
/* oklch */ color: oklch(42.2% 0.190 275.0);

Tailwind

colors: {
  custom: {
    50: '#7f6eca',
    500: '#3736b2',
    950: '#000000',
  },
}

SCSS

$custom: #3736b2;
$custom-light: #7f6eca;
$custom-dark: #000000;

JSON

{
  "hex": "#3736b2",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 178
  },
  "hsl": {
    "h": 240.484,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42237,
    "c": 0.18981,
    "h": 275
  },
  "luminance": 0.06665
}

Semantic roles & 50–950 ramp

primary

#3736B2

secondary

#C4C57F

accent

#DD4BDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3736B2

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

Preview Lab → · Contrast checker → · Palette generator →