#3636B2#3636B2

#3636B2 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.2% C 0.190 H 274.6°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#3636B2
RGB	rgb(54, 54, 178)
HSL	hsl(240, 53%, 45%)
HSV	hsv(240, 70%, 70%)
CMYK	cmyk(69.7%, 69.7%, 0%, 30.2%)
CIE-LAB	lab(30.96, 40.30, -65.56)
CIE-LCH	lch(30.96, 76.95, 301.58°)
OKLab	oklab(42.17% 0.0152 -0.1894)
OKLCH	oklch(42.17% 0.19 274.6)
XYZ	xyz(10.8737, 6.6359, 42.8187)
Luminance	0.0664 (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

#3636B2 #B2B236

analogous

#3674B2 #3636B2 #7436B2

triadic

#3636B2 #B23636 #36B236

tetradic

#3636B2 #B23674 #B2B236 #36B274

square

#3636B2 #B23674 #B2B236 #36B274

split-complementary

#3636B2 #B27436 #74B236

monochromatic

#1A1A54 #282883 #3636B2 #5959CD #8888DB

Accessibility & contrast

On white

9.02

#3636B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3636B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636B2

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3636B2	#FFFFFF	#000000	##FFFFFF
##3636B2	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	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: #3636b2;
/* rgb */ color: rgb(54, 54, 178);
/* oklch */ color: oklch(42.2% 0.190 274.6);

Tailwind

colors: {
  custom: {
    50: '#7e6eca',
    500: '#3636b2',
    950: '#000000',
  },
}

SCSS

$custom: #3636b2;
$custom-light: #7e6eca;
$custom-dark: #000000;

JSON

{
  "hex": "#3636b2",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 178
  },
  "hsl": {
    "h": 240,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42172,
    "c": 0.19006,
    "h": 274.6
  },
  "luminance": 0.06637
}

Semantic roles & 50–950 ramp

primary

#3636B2

secondary

#C5C57F

accent

#DD4BDD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3636B2

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

Preview Lab → · Contrast checker → · Palette generator →