#3736CF#3736CF

#3736CF is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.1% C 0.225 H 273.0°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3736CF
RGB	rgb(55, 54, 207)
HSL	hsl(240, 61%, 51%)
HSV	hsv(240, 74%, 81%)
CMYK	cmyk(73.4%, 73.9%, 0%, 18.8%)
CIE-LAB	lab(33.89, 49.99, -77.78)
CIE-LCH	lch(33.89, 92.46, 302.73°)
OKLab	oklab(45.14% 0.0117 -0.2251)
OKLCH	oklch(45.14% 0.225 273)
XYZ	xyz(14.1534, 7.9541, 59.8088)
Luminance	0.0796 (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

#3736CF #CECF36

analogous

#3681CF #3736CF #8336CF

triadic

#3736CF #CF3736 #36CF37

tetradic

#3736CF #CF3681 #CECF36 #36CF83

square

#3736CF #CF3681 #CECF36 #36CF83

split-complementary

#3736CF #CF8336 #81CF36

monochromatic

#1B1B70 #2727A1 #3736CF #6867DB #9999E7

Accessibility & contrast

On white

8.10

#3736CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3736CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736CF

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3736CF	#FFFFFF	#000000	##FFFFFF
##3736CF	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D3

Deuteranopia (green-blind)

#0048CC

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3736cf;
/* rgb */ color: rgb(55, 54, 207);
/* oklch */ color: oklch(45.1% 0.225 273.0);

Tailwind

colors: {
  custom: {
    50: '#856fdf',
    500: '#3736cf',
    950: '#000000',
  },
}

SCSS

$custom: #3736cf;
$custom-light: #856fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3736cf",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 207
  },
  "hsl": {
    "h": 240.392,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45136,
    "c": 0.22537,
    "h": 273
  },
  "luminance": 0.07956
}

Semantic roles & 50–950 ramp

primary

#3736CF

secondary

#D2D28F

accent

#E543E3

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3736CF

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

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