#3736BE#3736BE

#3736BE is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.4% C 0.205 H 274.1°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3736BE
RGB	rgb(55, 54, 190)
HSL	hsl(240, 56%, 48%)
HSV	hsv(240, 72%, 75%)
CMYK	cmyk(71.1%, 71.6%, 0%, 25.5%)
CIE-LAB	lab(32.18, 44.43, -70.65)
CIE-LCH	lch(32.18, 83.46, 302.16°)
OKLab	oklab(43.41% 0.0146 -0.2043)
OKLCH	oklch(43.41% 0.205 274.1)
XYZ	xyz(12.1859, 7.1671, 49.4464)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.87

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3736BE #BDBE36

analogous

#3679BE #3736BE #7B36BE

triadic

#3736BE #BE3736 #36BE37

tetradic

#3736BE #BE3679 #BDBE36 #36BE7B

square

#3736BE #BE3679 #BDBE36 #36BE7B

split-complementary

#3736BE #BE7B36 #79BE36

monochromatic

#1B1B5F #29288E #3736BE #6060D2 #908FDF

Accessibility & contrast

On white

8.63

#3736BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3736BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736BE

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736BE	#FFFFFF	#000000	##FFFFFF
##3736BE	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C2

Deuteranopia (green-blind)

#0045BC

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3736be;
/* rgb */ color: rgb(55, 54, 190);
/* oklch */ color: oklch(43.4% 0.205 274.1);

Tailwind

colors: {
  custom: {
    50: '#816ed3',
    500: '#3736be',
    950: '#000000',
  },
}

SCSS

$custom: #3736be;
$custom-light: #816ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3736be",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 190
  },
  "hsl": {
    "h": 240.441,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43414,
    "c": 0.20482,
    "h": 274.1
  },
  "luminance": 0.07168
}

Semantic roles & 50–950 ramp

primary

#3736BE

secondary

#C9CA86

accent

#DF49DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3736BE

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

Preview Lab → · Contrast checker → · Palette generator →