#3736A5#3736A5

#3736A5 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.173 H 276.0°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#3736A5
RGB	rgb(55, 54, 165)
HSL	hsl(241, 51%, 43%)
HSV	hsv(241, 67%, 65%)
CMYK	cmyk(66.7%, 67.3%, 0%, 35.3%)
CIE-LAB	lab(29.83, 35.99, -59.63)
CIE-LCH	lch(29.83, 69.65, 301.12°)
OKLab	oklab(41% 0.0181 -0.1721)
OKLCH	oklch(41% 0.173 276)
XYZ	xyz(9.6840, 6.1663, 36.2699)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3736A5 #A4A536

analogous

#366CA5 #3736A5 #6F36A5

triadic

#3736A5 #A53736 #36A537

tetradic

#3736A5 #A5366C #A4A536 #36A56F

square

#3736A5 #A5366C #A4A536 #36A56F

split-complementary

#3736A5 #A56F36 #6CA536

monochromatic

#181849 #282777 #3736A5 #5352C6 #8180D5

Accessibility & contrast

On white

9.40

#3736A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3736A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736A5

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736A5	#FFFFFF	#000000	##FFFFFF
##3736A5	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3736a5;
/* rgb */ color: rgb(55, 54, 165);
/* oklch */ color: oklch(41.0% 0.173 276.0);

Tailwind

colors: {
  custom: {
    50: '#7c6ec1',
    500: '#3736a5',
    950: '#000000',
  },
}

SCSS

$custom: #3736a5;
$custom-light: #7c6ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#3736a5",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 165
  },
  "hsl": {
    "h": 240.541,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41002,
    "c": 0.17301,
    "h": 276
  },
  "luminance": 0.06167
}

Semantic roles & 50–950 ramp

primary

#3736A5

secondary

#BEBF78

accent

#DA4ED9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3736A5

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

Preview Lab → · Contrast checker → · Palette generator →