#3736AA#3736AA

#3736AA is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.5% C 0.180 H 275.6°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#3736AA
RGB	rgb(55, 54, 170)
HSL	hsl(241, 52%, 44%)
HSV	hsv(241, 68%, 67%)
CMYK	cmyk(67.6%, 68.2%, 0%, 33.3%)
CIE-LAB	lab(30.28, 37.70, -61.89)
CIE-LCH	lch(30.28, 72.47, 301.35°)
OKLab	oklab(41.47% 0.0175 -0.1787)
OKLCH	oklch(41.47% 0.18 275.6)
XYZ	xyz(10.1480, 6.3519, 38.7137)
Luminance	0.0635 (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

#3736AA #A9AA36

analogous

#366FAA #3736AA #7136AA

triadic

#3736AA #AA3736 #36AA37

tetradic

#3736AA #AA366F #A9AA36 #36AA71

square

#3736AA #AA366F #A9AA36 #36AA71

split-complementary

#3736AA #AA7136 #6FAA36

monochromatic

#19184D #28277C #3736AA #5554C9 #8483D8

Accessibility & contrast

On white

9.25

#3736AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3736AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736AA

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736AA	#FFFFFF	#000000	##FFFFFF
##3736AA	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAE

Deuteranopia (green-blind)

#0042A8

Tritanopia (blue-blind)

#00556B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3736aa;
/* rgb */ color: rgb(55, 54, 170);
/* oklch */ color: oklch(41.5% 0.180 275.6);

Tailwind

colors: {
  custom: {
    50: '#7d6ec4',
    500: '#3736aa',
    950: '#000000',
  },
}

SCSS

$custom: #3736aa;
$custom-light: #7d6ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#3736aa",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 170
  },
  "hsl": {
    "h": 240.517,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41472,
    "c": 0.17954,
    "h": 275.6
  },
  "luminance": 0.06353
}

Semantic roles & 50–950 ramp

primary

#3736AA

secondary

#C0C17B

accent

#DB4DDA

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3736AA

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

Preview Lab → · Contrast checker → · Palette generator →