#3636CF#3636CF

#3636CF is a mid, highly saturated blue. Relative luminance 0.079; OKLCH L 45.1% C 0.226 H 272.7°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3636CF
RGB	rgb(54, 54, 207)
HSL	hsl(240, 61%, 51%)
HSV	hsv(240, 74%, 81%)
CMYK	cmyk(73.9%, 73.9%, 0%, 18.8%)
CIE-LAB	lab(33.83, 49.90, -77.88)
CIE-LCH	lch(33.83, 92.50, 302.65°)
OKLab	oklab(45.08% 0.0106 -0.2254)
OKLCH	oklch(45.08% 0.226 272.7)
XYZ	xyz(14.0992, 7.9261, 59.8062)
Luminance	0.0793 (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

#3636CF #CFCF36

analogous

#3682CF #3636CF #8236CF

triadic

#3636CF #CF3636 #36CF36

tetradic

#3636CF #CF3682 #CFCF36 #36CF82

square

#3636CF #CF3682 #CFCF36 #36CF82

split-complementary

#3636CF #CF8236 #82CF36

monochromatic

#1B1B70 #2727A1 #3636CF #6767DB #9999E7

Accessibility & contrast

On white

8.12

#3636CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3636CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636CF

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3636CF	#FFFFFF	#000000	##FFFFFF
##3636CF	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D3

Deuteranopia (green-blind)

#0048CC

Tritanopia (blue-blind)

#006380

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3636cf;
/* rgb */ color: rgb(54, 54, 207);
/* oklch */ color: oklch(45.1% 0.226 272.7);

Tailwind

colors: {
  custom: {
    50: '#856fdf',
    500: '#3636cf',
    950: '#000000',
  },
}

SCSS

$custom: #3636cf;
$custom-light: #856fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3636cf",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 207
  },
  "hsl": {
    "h": 240,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45079,
    "c": 0.22563,
    "h": 272.7
  },
  "luminance": 0.07928
}

Semantic roles & 50–950 ramp

primary

#3636CF

secondary

#D2D28F

accent

#E543E5

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3636CF

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

Preview Lab → · Contrast checker → · Palette generator →