#3636AA#3636AA

#3636AA is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.4% C 0.180 H 275.2°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#3636AA
RGB	rgb(54, 54, 170)
HSL	hsl(240, 52%, 44%)
HSV	hsv(240, 68%, 67%)
CMYK	cmyk(68.2%, 68.2%, 0%, 33.3%)
CIE-LAB	lab(30.22, 37.57, -62.00)
CIE-LCH	lch(30.22, 72.50, 301.22°)
OKLab	oklab(41.4% 0.0162 -0.179)
OKLCH	oklch(41.4% 0.18 275.2)
XYZ	xyz(10.0938, 6.3240, 38.7111)
Luminance	0.0633 (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

#3636AA #AAAA36

analogous

#3670AA #3636AA #7036AA

triadic

#3636AA #AA3636 #36AA36

tetradic

#3636AA #AA3670 #AAAA36 #36AA70

square

#3636AA #AA3670 #AAAA36 #36AA70

split-complementary

#3636AA #AA7036 #70AA36

monochromatic

#18184D #27277C #3636AA #5454C9 #8383D8

Accessibility & contrast

On white

9.27

#3636AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3636AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636AA

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3636AA	#FFFFFF	#000000	##FFFFFF
##3636AA	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAE

Deuteranopia (green-blind)

#0042A8

Tritanopia (blue-blind)

#00556B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3636aa;
/* rgb */ color: rgb(54, 54, 170);
/* oklch */ color: oklch(41.4% 0.180 275.2);

Tailwind

colors: {
  custom: {
    50: '#7d6ec4',
    500: '#3636aa',
    950: '#000000',
  },
}

SCSS

$custom: #3636aa;
$custom-light: #7d6ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#3636aa",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 170
  },
  "hsl": {
    "h": 240,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41405,
    "c": 0.17978,
    "h": 275.2
  },
  "luminance": 0.06325
}

Semantic roles & 50–950 ramp

primary

#3636AA

secondary

#C1C17B

accent

#DB4DDB

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3636AA

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

Preview Lab → · Contrast checker → · Palette generator →